x I 
1. F. trichomitria Hedw. — Pterigynandrum H.; Forsstroe- 
mia Lindb.; Leptodon Mohr; Sulliv. ic. muse. 
Leaves gen. ovate-oblong, short-aeuminate, often faintly stri- 
ate, sinuolate at acumen; middle cells oblong-lanceolate; costa 
indistinct.. Capsule oblong or subcylindrie, exserted; lid rostrate; 
pedicel not or partly exserted. — On trees, r. on rocks. Amer. 
Can.: Macoun. U. S.: Sullivant, com. C. Mueller; Austin, com. 
Macoun. 
2. F.immersa Mohr. — Leptodon Mohr; Forsstrcemia Kindb. 
Differs from the last: Branches shorter; leaves subovate; cap- 
sule smaller, oval and nearly immersed. — Amer. U. S.r.: Sulli- 
vant, com. C. Mueller. 
39. F. floridana Lindb. — Leptodon Lindb.; Forsstroemia 
Kindb. 
Differs from F. trichomitria: »Leaves broader, ovate, abruptly 
acuminate; cells larger and broader; capsule half as large; pe- 
dicel longer, not diverging from the stem»: Lindb.-— Amer. r. 
»U. S.»: Lindberg (not seen). 
4. F. ohioénsis Lindb. — Leptodon Sull. icon. musc. 
Leaves broad-ovate, abruptly narrowed to a very short, faintly 
sinuolate acumen, not striate; middle cells oval-oblong; costa 
thick. Capsule suboval, exserted; lid short-apiculate; pedicel 
partly emergent. — Trees. Amer. U. S. r.: Sullivant, com. C. M. 
- .JB. Leaves (at least the younger ones) denticulate above; 
cells very chlorophyllose, not pellucid. Capsule red-raouthed; 
teeth brown or red. 
5. F. nitida Lindb. — Leptodon Sull. l. c. 
~ Leaves ovate or broadly ovate-oblong, short-acuminate acute, 
. faintly or not striate; middle cells suboblong, the alar ones often 
more dilated; costa very short or vanishing near the middle. 
Capsule suboval or subglobose, immersed or partly emergent; 
teeth pale brown; lid apiculate. — Trees. r. Amer. Canada: 
un. E 
: e F. Ravenelii Austin. — Cryphæa Aust; Forsstrcemia 
: indb. 
»Leaves round-ovate obtuse; areolation uniform; costa reaching 
~ above the middle. Capsule oval, immersed ; teeth red; lid acute»: 
: . et Jam. -— Amer, »U. S. r.: Ravenel»: Lesq. et Jam. 
i A .4.. Cryphæa Mohr. 
A. Leaves entire; costa abbreviate. 
.&. Leaves small; the inner perichetial truncate or obtuse. 
1. C. glomerata Br. eur; Sulliv. icon. musc. 
