— 75 — 



costa vanishing above middle. Capsule email subobovate sub- 

 erect; teeth pale yellow scarcely higher or broader than seg- 

 ments; cilia shorter; lid conic or rostellate; calyptra narrow; 

 pedicel longish. Stem creeping. Tufts green or golden glossy. 

 Habit of Neckera (Homalia). — Roots of trees r. Amer. U. S.: 

 herb. Lesquereux, com. Renauld (Cuba: Wright, herb. SuUivant, 

 com. C. Mueller). 



53. Aniblyslegium Bryol. eur. 

 1. Eii-Ainblystegliini. Leaves not distinctly recurved; alar cells 

 few or indistinct. 



a. Leaves decurrent. 



1. Coiiipacl.i. Leaves with well-defined alar cells; costa subper- 

 current. Tufts 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. 

 II. Ptycholonia. 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. 



A. Leaves short-decurrent nearly crowded. Tufts very radi- 

 culose. 

 l.A.COiiipactuin C. Mueller. — Hypnum C. M.; Sulliv. ic. m. 



Leaves 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-cylindric with distinct neck, gen. suberect nearly 

 straight; lid acute or apiculate; teeth pale yellow; ciha very 

 short; pedicel long. Tufts somewhat high, green above, us. 

 decolorate or red-brown below. Branches erect. Monoecious. 

 — Logs 1'. Amer. Can.: Waghorne; Drummond, com. C. Mueller. 

 Eur. »France»; Husnot revue bryol. 1896. 

 2.A.subcompactum C. M. et Kindb. cat. Can. m. 



Differs from the last: Leaves long-acuminate not recurved; 

 inner cells lanceolate-linear. Capsule longer, often curved; lid 



