3 eas 
ca Ot Rie ey a) 
a 
New mosses of North America. VY. 
F. RENAULD AND J. CARDOT. 
WITH PLATES XXI AND XXIL 
Archidium Hallii Aust. var. minus.—Smaller than the 
type, from which it differs besides in the leaves shorter and 
the costa percurrent or shortly excurrent. 
Louisiana: - near Mandeville (A. B. Langlois, 1892). 
Dicranella leptotrichoides.—Resembling in habit Lepéot- 
richum tortile. Dioecious, small, loosely cespitose, green. 
Stems short, erect, simple, 2-5"" long. Leaves erect or 
subsecund, lanceolate, acuminate, subacute or rather obtuse 
at the apex, quite entire, borders plane or partly revolute; 
Costa stout, percurrent; cells of the areolation oblong or sub- 
linear, shorter looser and subrectangular below.  Perichaet- 
lal bracts scarcely different, a little longer. Pedicel 5—-7™ 
long, yellowish when young, afterwards reddish. Capsule 
small, erect, symmetric, ovate-oblong, scarcely constricted 
under the orifice when dry; lid equalling the sporangium, 
long and obliquely subulate-rostrate. | Peristome purple, 
teeth trabeculate, striolate lengthwise, cleft to below the mid- 
dle into 2-3 subulate legs, granulose and partly connected; 
annulus very broad, deciduous, of 2-3 rows of cells. Male 
plant unknown, 
c Louisiana: on slopes, Riviére Tchiffouté, Abita Springs, 
“i Sar Fontainebleau near Mandeville (A. B. Langlots, 
ie dhoweea We have also specimens collected near Mobile, 
i by Sullivant, and distributed as Trichostomum 
Closely allied to D. Tonduzti Ren. et Card. from Costa 
ome but distinguished by the leaves straight when dry and 
© areolation different. 
Fissidens faleatulus. 
teen, Ste 
Very small, gregarious, yellowish 
eC eae Ms rather rigid, plumulose, 2—-4™ long. ate 
el falcate-secund and rigid when dry, linear- ke 
len hg Or subapiculate; vaginant lamina about one-ha 
8th, narrowly bordered, dorsal lamina not bordered, taper- 
Nutely wii apical lamina without a border, subentire or mi 
lation renulate at the apex; costa pale, subpercurrent; areo 
" Pellucid, cells hexagonal. Fruit unknown. 
