f 
Scientific Intelligence, 
face, and sometimes of the lower also, rows or bands of lai 
walled cells, which our author names bulliform cells, 
their presence, absence, number, and arrangement, are uniform in 
each species, but often quite different in the same genus, so that 
Iiod like that of aninu 
gfnade out of late yea] 
>doa 
iif tie plant is toe 
I lack to a work of Li 
Iitiquated, for an ( 
they may be used for critical specific characters; and they are, rflcegg answe ring to 
invnrial»lv with the vernation of the leaf, and .i’] kni nn . m/orati 
pal, being oversin 
counterpart pro 
I the results are give 
moreover, connected invariably with the vernation 
with the opening and closing (either by conduplication or convo¬ 
lution, according to the vernation of the species) which are so w w 
prompt in many grasses. That this movement takes place m virtue| ^ ong ^ weex] ve ge 
of the hygrometric expansion of these cells under moisture and their ji( ^ an(J « j® 
contraction in dryness, was made plain by the behavior of sections that 
of the leaf under the microscope the closed conduplieate leal ot » eoflittleeffect a „ 
Sesleria opening instantly upon the application of a drop of water, of , 
when these cells in a band on each side of the midrib, heioie flat- ^ , y indirect 
tened or collapsed, became turgid and prominent. The leaves of - ! ? ?J® Ct ( 
Leersia orvyzoides are described as rolling up instantly upon be- 
ing bruised or roughly handled, as if endowed with real irntifcs. “ve pieces, 
bility. We trust some of our young botanists will look to this, next -y, 
SU Th 1 e e split sheath of the leaves is one of the diagnostic characters;Fno direct rel 
of the Graminece. Exceptions in Glyeeria, &c„ were familiar. M. ,so that one sin 
Duval-Jouve states that about a fifth part of the species have entire « ■ 
sheaths. Also that various grasses bear two, three, and even four of JVc 
leaves on one node ! . A- tffiL i. e ^ nna es des 
3 Botryopteris Forensis, an interesting fossil fern, which occurs * key to the genei 
with fructification preserved in a silicified state in the rich de- »e lamented Thuret, 
posits of Autun and Saint fitienne, France, has recently been Wended for public 
investigated microscopically by B. Renault (Ann. Sci. bl at.,**' the appended en 
ser i 1875). In one plate he has illustrated the anatomy of the synonyms, 
stem;’ in four others its fructification, and the anatomy, develop -’fnocladus i n China 
ing fructification, &c., of a Trichomanes, a Helminthostachys ancRfmeans of pods an< 
a Botrychium , for comparison. He concludes that m this tosmmadus, our Kentuc 
genus we have a type intermediate between true Filices and theity of Shanghai, wh< 
Ophioglossece. A * G * J8 a substitute for so 
4. Silicified fossil Fruits or Seeds, from the coal beds oi ^ 
fitienne, are discussed by Rrongniart m a P r ® ce ^ ln ^ v0 ^ um ^ corresponding 
the Ann. Sci. Nat. (with figures), and classified by the form ofit Soc. Linn 
their transverse section. They are thought to be gymnospermmis.^ frasiliensis 
Among those with binary symmetry, Cardiocarpus m its affinity j t ’ . k 
is thought to answer to Salisburia ; Rhabdocarpus, a new genus ( arlsruh e 
to Torreya : Diplotesta and Sdrcotaxns (new genera), to Cephalo{ /f T ? 
taxus; Taxospermum and Leptocaryon to Taxus. Those of radi ls Gomphrcnn 
ate symmetry of three, six, or eight divisions or a circular section^ ^ Wit 
of various kinds, including Trigonocarpus, are conjectured t Amaral?^* 
the fruit of Sigillaria, Calamodendron, and the like, which Brough H am Jt tus %>< 
niart takes to be an extinct type of Gymnosperms a. g. % der 
5. Respiration of Plants; some Researches by Mayer am « \£,? no P 
Wolkofp : a paper in Ann. Sci. Nat., in the volume above cited lQ ^ 1875 41 
apparently translated from a prior publication m Hernia® * on the 
which there is no direct reference. That plants have a true ^ v ^^^ e . are< ^ 
ms subj 
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