3а. 1А, 1565.) THE GARDENERS CHRONICLE AND AGRICULTURAL GAZETTE. 27 
planta, whilst otbers, amongst rocent botoniste consider | varieties. Opposed as this would soom to Mr. Darwin's 
č ќа + |tbem as not only frequent but abendant in oertain | views, tbe contradiction im in some meowure, more 
ibe Rer. PaoTiCAR KXOBLECHEA. [genera im northern and temperate Europe. The dif. | verbal] than ros М. Godron makes tbe definition of 
cames ы "x "artem A all ! the term = ies ™ to depend on this one physiological 
| cireamstantiai have been summarily disposed of, and the | character, in тепсе to any oombinaton of 
* | authors of some of our most carefolly prepared. modern | characters, external structural or physiologiesl, Што 
^ v p A ` ih ug PT Li А 3 * "I supposed species (for example, That ^t 1. nå 
ге з Ireland, and пол engaged in making a round of alone, they could not only recognise a hybrid, but even | D. Tatula) produce fertile crops, then they are varieties 
" \ d i hich p t supplied tł A d which the | only, not If two eu varieties (for 
suddenly run sbort of сті, which be bas as | female element, and have acoordingly adopted a nomen. | example, Diplacus aurantiacus and D, puniceus) эсе 
“ lat pressi f their decision as of a proved fact. | crosses wniformly sterila, tben they are not 
a | As a test of ifie pre and diversity, the relative | varieties, But those are not strong À < 
А tarned perfection of the hybridizing power is als still] does M. Godron dea] with amy sach; be was probabil 
paris ы wbich this person has ep is rded by thom as absolute, in opposition to the com | not aware of them, not baving met with amy in te 
à i por if 
ДИНЕ Еа 
— aka Koohicheri, Indigofera Knoblecberi, and 
Lanthan ы ы а collected near Gondokoro by 
T 
men 
mente did turn ont 
sefel to limited ra 
ibere eun be so doubt а ho re (dam ID consider bow far the propositions on this bead of that | anything 1 
H been confirmed dified | his expecta 
this purpose, know А „А... 
A сор hers on their guard. distinguisbed biologist hava | n алк са а attribute it to рар 
— We mentioned at p. 1179 of оог last volume specially in need of farther illustration, | although be o ed groat variety in the degree 
thai эже curious additions to the vamimTIES OY Гарт) The principal facte bearing on this question, estab- |a t perfection or defect in both the male awd 
23 ec r ч 
Түй жай DE roared for future notice, and it is to | lished in tbe admirable chapter on Hybridism in the | female organs of. hybrida, the ides. of айный дарш 
“Origin of ч to be— seb б и spa to оре e e Р 
м memoi, 
tbese tbat we would now 
Fera fanciers. That, generally, to produoe the i a 
Some ol these noveltios are new forms obtained from | offspring, that is, Doings most perfect in. constitation as ! number of facta and observations of considerable Inte. 
the ef oiher well-known varieties of Athyrium | to the reproductive aystem, there must be noar affinity, | rost, cannot be said to havo contributed much, 10 amy» 
Fa Of this | although not always too close a consanguinity, between | thing, towards the confirmation or refutation of Mr. 
a кейе of Dr. 1, the two parenta, Darwin's views. 
disant om a slender That, generally, as the affinity is more remote, the | М. Nuudin's memoir is of a very different character, 
spwarda and everywhere fertilising process is Това successful, not coming abruptly | It ia not yet published. im emtenso ; but the menond 
vb ien d fronds are ata definite stage of remoteness, but diminisbing by pum че, tbe discumion and general results of 
iolerably symmetrical various gradations, iis experimenta, 1а inserted in the same number of tbe 
eme from pin А „That generally, also, the fertility of the. offspring of Annales des fcienees Naturellos (вёс. 4, vol, хіх. p. 180), 
t |as slight varieties will be wnimpaired, but frequent] 
i 
ont n an artico in е "Natural History Review 
y 
tbe diminishes И the parente belong to more constantly | (1864, p. y” This ја quite sufficient to enable ù 
half in distinct racos, W the disilactions between the | great value of his la ; and having 
к Жс үзү бүтү. га mally | nities of. «іонів tb D deity «ith 
= t as с, interbreeding us nities of witnewing the zọal, care, and assi with 
obtained from Frizellim, offspring, and all er ef labe Ўнг; which pūrmos any "ук that be talis 1 I 
of sporta, was raised а m increase во as to be | cannot but concur in the high eulogium сов 
remarkable erio or ordinal, | his memoir by tbe committee appointed to award the 
e cases more or Jess interfere with | prize, Tt is therefore of consi le importanoe that 
regularity in any of these rulos, usions should, in the main, so closely coincide 
at the ty of these rules bas | with Mr. Darwin's, although independentiy He 
of 7 distinctnoss insists on tbe н diversity in degree of 
6 interval, yet that | sterility, and tbe impossibility of drawing, by of 
observed | this or any other character, any positive line of domar- 
aos «йг barom n vahiy, 6 fem end Ө and 
genera. Nor can the greater от Jom | interfering y universal regularity їп the rules 
ibe power ol- iüterbreeding, or be above given, are some of very Ё 
s of -absolute want of it, be taken as positive tosta оГ) Опе new point bronght out by tbe observations of 
outline, and bipinnate, the pinnm broad and|affinity or diversity. They titotional ebaract both th peri menters is, that when hybride between 
remarkably bat shortly acuminate, and tbe|standing more or less in correlation with external and or marked varieties do become fertile, that 
| у yramid increases in successive 
n i4 
1 and | specios 
into small oblong | structural as these do with each otber ; and | fertility 
Та 
; tli, to one 
| № | | peculia: to this "S their А HE. supposed to be proved, 
— у” и ince the pite of Mr. Darwin's work, РЕЯ ds are never fertile except when fecundated by 
wild forme, one most remarkable for the dense | important botanical on the subject ме а уйна dE 
эү Яд found in Antrim, and sent to оа appeared—the one the result of 10 years’ experimenta, | the parent type and ї ity a« the natural 
by tbe Rer. T. hasbeen named AROTUM, ltis|carried on, perhaps, їп some measure а view be уоту биш ; bot Nandin states 
normal in tbe oatline of the fronds and pinum, but the | proving a ived theory; tbe other sfter eight | that this inerensed fertility and return occur constantly 
liter are made up of omnla" cherl-toothed | Pvare' АЛ lisia, bul on & larger vela, und tly (though not uniformly) under conditions in which be 
pistol «f oiou во г placed that with lem of bias and that in an opposite * the | believes that no such ocundation from the parent type 
overlap half width, and so densely conclusions of tbe one are in opposition to —of the | can have occurred, Thisbe is disposed to account 
ES EUN. AP up S they go, con of—Mr. Darwin's, by tbe supposition that the two parent essences ате 
under surface the of the costa is visible Seither contains un rrenc to r. Darwin's chapter, not truly combined, in tbe hybrid and in 
for Ше ri pape dbi 4 probably tbe dne вае had ever seen, and | all ita parin, reproductivo ws well se vogetative, end 
distinct from this, and simulating the variety the other had not had an opportunity of studying, before Vh М eoe рана, бы Майын iR EO 
worth rtm qoo va Noo drawing up his conclusions; we may therefore consider | ductive parts of one esenoe to combine with those of 
by Mr. Banwzs of Levens. This variety is chiefly both teo аеону as founded en en Todependens staly | Њо seme бирмә Мы Шш gradual effect, ur Ww 
remarkable for its short distant piunz, which, on|of weckt, ne well ws on persone! tions the otber. This кури срна t D ad 
fronda nearly 18 vx o uo Meer immediate occasion of e publication of both | an cireumstanoes are in fts eupport, but it 
(Ат Аа н unt short Sasan ia 1951, io ede id 1902, еб, ы merde Js M us adir T 
А а » we 
which ere lohed sod;tootbed, but the lobes Hybrides vézétanx ац point de vue de leur fécondité et өче ehna t Un ib Жү} эл 
like the other parts of the frond, | de la perpétuité ou rion-perpétuité de leurs caractères,” чайы cames occur to both experi 
ua erbe e | is POLY- As it was impossible that sach а йоду could be usefully mentors, ss usua], if cannot refute the 
a form "ith Mint oblong in a single twelvemonth, the Academy, ín | conclusions to be they ате to doubt tbe 
"mp oe ring the sos here hal spedally in view one | ешн. Thog Жао asserted to be 
the pinna DUM alor of observers, who were known to have у bred the hybrid Æ. triticoides 
ot У been for on experimenta on the subject, |fecundated by Wheat, Из male parent-type, is found 
i Another. also Accordingly were sent in by M. Godron, | both by Nandin Godron to be uniformly fertile 
тот Levens, has pormalebaped MA dian Dean of Ње Faculté des Sciences of Nancy, and one of | without further assistance from citber parent, and to 
the piunz acuminate, the pinuules oblong and | the authors of an elaborate and in man respecte remain unchanged through successive generations, 
ару bat everyw elongated | excellent * Flore de France," in which more definiteness | Godron, who adinita that hybrids fecundated by one of 
short, had been ascribed to h than in almost any other | tbe parents produce offspring which have so far returned 
Ј work; and OW pape moe I) poer t о ыы Cis 
: the Jardin des Plantes, | in support of his rule that there is no return to the 
whose had been probably first directed to tbe MM VON CAM umi vi E 
Pre ои S Wee researches оп Cucarbitaoem, | that parent, Naudin tbe assumed origin of 
The had on his experiments in the tp seta, bt, ымы ns 
Botanie Garden of and had also much studied e riae enge Гы up 
the real or supposed ey Ёз итен adduces the fact, not only of the well-known 
south of France; the latter Doe p Da s la restant, to olthar рона QM ATE MEME, 
much larger scale, on plots of ground allotted to him in | but that sometimes first crom be undistin- 
he Jajja. een a pe d re уййн. Бел өм МЕЧ, - dx tH 
benefit m ndgment e арр opposed e ra 
а ае е РВИ Р КА c wot Rn 
s а $ 
“ Annales des Naturelles” ae qa. xit, eare tbat whilst, by fecnndating JEgilops ovata 
135). He i as he began, with the convie with Wheat, he never faile in 
Un ы mongrel, or crosses between the varieties of mediate Æ. tritieoides, all his fecundations of Wheat by 
ome species are absolutel whilst hybrids of two | Zgilops, upon several varieties of Wheat during 
species, unless ie d inal parenta, | five years produced invariably nothing bnt 
Jare always 5 9t, in other that. en Wheat, he explains this anomaly Бу that his 
Earopeaa | character is. for the testing of species precautions were always in«nffüeient for preventing 
