Archidium.] BRYACE.E. 49 



nate, the upper comparatively short, scarcely reaching to the 

 middle of the capsule, large, ovate and clasping at base, abruptly 

 narrowed into a broad blunt point ; costa flat, broad, j^ercurrent : 

 flowers monoecious ; male buds terminal : capsule very large for 

 the size of the plant, obovate-oblong, truncate at base, abruptly 

 acuminate ; pedicel very short ; calyptra scarcely covering a 

 third of the capsule. — Mosses of U. States, 17, and Icon. Muse. 

 25, t. 15. B. Vbffesiaca, var. 2, Hook. & Wils., Drumm. Muse. 

 Amer. (Coll. II.), n. 15, m part. 



Hab. Louisiana {Driimmond}; sandy ground on the Santee Canal, 

 South Carolina {Ravenel). 



13. B. Ravenelii, Wils. Plants very small (the smallest 

 of the genus), closely gregarious : leaves close together, the 

 lower minute, the middle linear-lanceolate and erect, the upper 

 much longer, spreading, lanceolate, gradually narrowed to a 

 denticulate apex ; costa broad, percurrent : flowers monoecious : 

 capsule nearly immersed, short, obovate and apiculate, its 

 scarcely distinct short coUum abruptly narrowed into the very 

 short pedicel ; calyptra distinctly and sometimes profusely papil- 

 lose. — Sulliv. Mosses of U. States, 17, and Icon. Muse. 26, 1. 16. 



Var. mollis. Calyptra less papillose ; capsule Avith a 

 slightly more marked collum : leaves shorter, not exceeding the 

 capsule. — J^. Carolinice, Austin, Bull. Torr. Club, vi. 144. 



Hab. Banks of the Santee Canal, South Carolina {Ravenel); the 

 variety in Florida (J. Bonnell Smith). 



14. B. Hampeana, Muell. Leaves enlarged at base, nar- 

 rowed and subulate above, the entire margin obscurely denticu- 

 late : capsule obovate, with a moderately long collum ; calyptra 

 laciniate at base, distinctly papillose vesiculose. — Syn. i. 18. 

 Sporledera Schwaegricheni, Hampe in litt. 



Hab. Louisiana (Drummond). 



Differing from the last especially In the distinct somewhat long neck of 

 the capsule. 



3. Plants ^oith branching and prostrate stems. Calyptra 

 adherent to the capside. Spores remarkably large and few. 



9. ARCHIDIUM, Brid. (PI. 1.) 

 Plants small, branching by short and erect or by long pros- 

 trate innovations. Leaves linear-lanceolate or ovate-lanceolate, 



