38 THE GARDENERS’ CHRONICLE. [January 25, 1919, 
idly, and is capable of flowering at any t have always failed to produce seedlings. My NOTES FROM AMERICA, 4 
65 May till October, if the conditions ms F ирег в that the colour of I. cristata is apt 
its likin of f the 
shape of 
g, and if there is pem ood in vary from 1 — 2n purple, and there is үне. Е HORTICULTURAL 
humus within i 
о 
ithin its et RIT à white for ANTS. 
Now that ihe war is over, and we are enter- 
o on, it see 
s n easonable to consider whether horticulture may 
large num seeds are peculiar, for, as rank to the latte: not be put on a more scientific basis. Judging 
is shown in the right- hand bottom corner of the As a arte ри it grows well in conditions = е = " sugg 
Pd 
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les, in exact botanical terms, from the living 
plants. In most c cases, photographs | shou id also 
be taken, and all ims ical f. hould 
be recorded. The materials thus vica. should 
blished at frequent intervals, as cheaply as 
18 consistent with excellence. Probably the best 
th о е to print accounts pertaining to 
different genera on separate smal of 
niform size, which could later be arranged and 
bo as desired uch a ly be 
fully successful in the hands of experts, and 
m ably every genus of a importance 
ould its specialist, to whom all material 
sce. pd it would be referred. The whole 
scheme involves a rather large expenditure 
nt co- 
become a far more exact science than it now is, 
with equal benefit to horticulturists and man- 
kind in genera 
he fo dmi is a convenient method of publi- 
cation in the proce edm gs ef the вына 
Soc ciety о of Washington ; zo descriptions 
issued in ке te form vent can be collected int 
bound as des = 
a 
s e on 
ME dom FROM New Mexico. 
HEN in the Rito de los Frijoles pon w Mexico, 
мадад ВИЙЫМ? ate 
a зз 
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new in h ybridisation че gages 
5 3 It seems, ч исе ddsirablo to giv a nam 
2 , OENOTHERA HOOKERI HEWETTI "e a 
AN AUTUMN- FLOWERING SPECIES. Plant very large, spreadi al i nd 
Fig. 13.—IRIS LACUSTRIS : 
5] a 
hili 
sl 3 has an approximating to those in which it grows wild. Closely beset with fruits, not appearing leafy, the 
а: р ^ d f the 
ally longer than ls d own diam К Here, in the dry sand £ my garden, I ze К кзы eee ER Hes He rege А 
ian к . cristata, old у lenf- mould and fine gravel pe Бене ДЕ ш рр тикен, per 
^ AX n; u 1 its, 1 
» i — ter to look i I lacustris as position only reached by the late a: аага itin. Pene pa epics Denia. "fruits igs beg РЕН group, 
i 1 a. Every two, or at most three, years I re-make but not co. ntracted at apex, greyish, slightly speckled 
It is true that I. E en raised from the bed and replant oots = T рч yh wi одне 
seeds here, retains j "dcl habit e the immediately the flowers are over. Then root- ü 
deeper colour in its flowers. Seeds of I. cris- growth is active, but it ceases al ether in ©. rubrinervis = гей by бы, Zeits. f. indukt. 
tata have alw: io e iod, conseq erbun ЯЫ sepals 
ы 
ев 
аз ши. as 10 mm.; branches tough and hard ю  — 
break, кашын О. rubrinervis; calyx tube iD —— 
fully developed flower 37 mm. long; petals bright yel- 
