— 314 — 
B. Leaves crisped when dry. Calyptra slightly hairy. 
3.M.rhabdocarpum Mitten. 
»Leaves linear-lanceolate acute or subobtuse and subapiculate, 
carinate, not recurved, crenulate, papillose above, spreading-open 
and slightly flexuous when moist; upper cells round, basal 
oblong; costa yellowish percurrent. Perichetial leaves narrower, - 
more acute. Capsule oval gradually narrowed to pedicel and - 
to mouth, distinctly plicate; peristome simple: teeth short pale - 
fragile; lid subulate; calyptra covering capsule.: Branches not 
crowded. — Amer. U. S., Florida»: Lesq. et Jam. b 
127. Schlotheimia Bridel. ee 
1.S.mucronifolia Hooker et Greville. — Macromitrium H. G.; 
Schlotheimia Kindb. 
Leaves sublinear or oblong-lingulate, obtuse often subtruncate, 
carinate, sometimes recurved, broadly limbate at one side below, 
entire indistinctly papillose not rugose, patent and. faintly ,cur; 
ved when moist, slightly crisped when dry; cells very small 
round-oval, lower marginal narrowly linear; costa dark brown, 
depressed on upper side, very prominent at back, excurrent to 
a thick deflexed point. Perichetial leaves similar. Capsule 
suboblong, contracted at mouth, not süleate; teeth wanting; lid 
rostrate; pedicel not long; calyptra glabrous or slightly rough 
above, laciniate, covering half capsule. Branches red-brown 
densely crowded. Monoecious. — Trunks of palms r. Amer. 
»U. S.»: Lesq. et Jam. (Cuba: Wright, herb. Sullivant, com. 
C. Mueller.) ; 
2.8.Sullivantii C. Mueller; Sulliv. icon. muse. ind 
Differs from the last: Leaves often rugose, neither recurved 
nor limbate; basal cells rhomboidal; costa short-excurrent or 
(in perichetial leaves) subpercurrent. Capsule oblong-cylindric; 
teeth deflexed when dry; segments: ciliiform; calyptra lobulate, 
rough above, covering whole capsule, — Trees r. Amer. U. S: 
com, Macoun and Cardot. is. 
128. Zygodon Hooker et Taylor. TE 
I. Eu-Zygodon. Leaves green papillose carinate not recurved; 
cell-walls thickened. Perichetial leaves not sheathing. Dioecious. 
II. Gymnocephalus. Leaves nearly plane or somewhat eon 
cave, bluish when moistened; cells smooth with thin hyaline 
walls. Monoecious. m: 
III. Amphidium. Leaves green papillose carinate often recur- 
ved at one side; cell-walls not thickened.  Perichetial leaves 
sheathing. Capsule piriform, long-necked; peristome none. . 
