costa vanishing above middle. Capsule small subobovate sub- 
erect; teeth pale yellow scarcely higher or broader than seg- 
ments; cilia shorter; lid conie or rostellate; calyptra narrow; 
pedicel longish. Stem creeping. Tufts green or golden glossy. 
Habit of Neckera (Homalia). — Roots of trees r. Amer. U. B 
herb. Lesquereux, com. Renauld (Cuba: Wright, herb. Sullivant, 
com. C. Mueller). 
53. Amblystegium Bryol. eur. 
l. Eu-Amblystegium. Leaves not distinctly recurved; alar cells 
few or indistinct. 
a. Leaves decurrent. 
1. Compacta. Leaves with well-defined alar cells; costa subper- 
current. Tufis compact with intricate stems. Us. monoecious. 
b. Leaves not or indistinctly decurrent. 
2. Serpentia. Leaves crowded or not long-distant; alar cells gen. 
not well-defined; costa simple. Capsule somewhat large; pedicel 
long. Us. monoecious. 
3. Speirophylla. Leaves long-distant very small; alar cells us. 
indistinct; costa simple or obsolete. Capsule small; pedicel 
short. Dioecious. 
4. Subtilia. Leaves small crowded; alar cells distinct; costa gen. 
obsolete, Capsule small; pedicel short. Tufts dense. Monoecious. 
IL Ptycholoma. Leaves recurved gen. to middle; alar cells 
Numerous green. Leaves crowded not decurrent; costa us. ob- 
solete. Capsule small; pedicel short. Monoecious. 
I. Eu-Amblystegium. 
1. Compacta. : 
M Leaves short-decurrent nearly crowded. Tufts very rádi- 
Ose. Á 
l.A.compactum C. Mueller. — Hypnum C. M; Sulliv. ic. m. 
3 ves recurved near base, ovate-oblong short-acuminate or 
ovate-lanceolate acute, minutely denticulate princ. below; alar 
cells not large, the others oblong-lanceolate us. pellucid. Capsule 
Small oblong-cylindrie with distinct neck, gen. suberect nearly 
_ ‘Straight; lid acute or apiculate; teeth pale yellow; cilia very 
Short pedicel long. Tufts somewhat high, green above, us. 
. decolorate or red-brown below. Branches erect. Monoecious. 
= — Logs r. Amer. Can.: Waghorne; Drummond, com. C. Mueller. 
“ur. »France»: Husnot revue bryol. 1896. 
2.A.subcompactum C. M. et Kindb. cat. Can. m. = 
. Differs from the last: Leaves long-acuminate not d 
mner cells lanceolate-linear. Capsule longer, often curved; li 
