58 The Botanical Gazette. [February, 
tioned that the mestome-bundles form a different ss be: 
rows in certain species, varying from one to eer io ; 
Grayit. The rhizome shows even in its externa ae 
few characteristic differences, if we consider the sto fe) ae 
and cespitose forms. But the internal structure ave ae 
more and very characteristic differences, observa . ee 
stereome, the lacunes, the endodermis, etc. As to c = : 
the author has observed also here a certain variation. 
i ring 
endodermis and the pericambium does not form a closed ring 
: : the 
in all species, but the latter is most often interrupted by 
: : istic for 
hadrome, as described by Van Tieghem as: characteristic , 
Xyridez, Eriocaulacez, Juncacez and a few other ea 
The author is undoubtedly correct, when in the fone 
chapter, where he gives an anatomical sketch of the ner 
question, he remarks that the characters to some exten weible 
prove to be of specific value, but that it would be impo 
. mu- =: 
from the present study to draw any conclusion as to the 
tual relationship of the species described.— THEO. HOLM. 
BRIEFER ARTICLES. 
: use 
Cryptomitrium tenerum Austin.— Mr. O. F. Cook of ies 
University had the kindness to send me, on my request, a spe 
; ion- 
efore going into details as to the relation” 
ship of this plant, I givead 
Duvalia tenera Gottsche: 
Plantae frondosae 
rides, arcte repentes 
Frons o 
fertili brevi, altera furca 
steriles cum basi angustata 
postici e costae latere orti 
S 
Synopsis Hepat. p. 554 
ey * ; tivi 
€x apice frondis orti vel alii rami adven 
- Costa pro plantae tenuitate sat re 
sub alis evanida, cellulis aequim 
: : vern- 
Stratum aériferum humile, ca 
osum; cavernae amplae unistrata 
p. : = 
inores, Viv 
, terrestres, membranaceae, tenerae, minores, 
, ae furca 
blonga, repetito furcata vel monopodialiter ramosa yes : 
Solum increscente). Adsunt etiam £5 
. Oe. : COS? 
€ vacuae i. e. filis vel laminulis ac . 
