62 BKYACEuE. [Astomum. 



conical, acute. — Liiinaea, xii. 552; Bryol. Eur. t. 12. Phascum 

 crisjmm, Hedw. Stirp. Muse. Frond, i. 25, t. 9 ; Sulliv. Mosses 

 of U. States, 16. 



Hab. Bare sandy soil under bushes, Yineennes, Ind. (Lesquereux); 

 Texas ( Wright), imperfect specimens; Pennsylvania (James). Eare. 



2. A. Ludovicianum, Sulliv. Differs from the last in its 

 stronger and more divided habit, the capsules more numerous, 

 often clustered 2 or 3 in the same perichsetium, oblong-oval, 

 with a more elongated obtuse lid. — Icon. Muse. 21, t. 12. 

 Phascum crispum, var. rostellatum, Hook. & Wils., Drumm. 

 Muse. Am. (Coll. II.), n. 10. P. Ludovicianum^ Sulliv. 

 Mosses U. States, 16. Systegium erythrostegium, Scliimi). 

 Proc. Am. Acad. xiv. 140. 



Hab. Near New Orleans (Drummond) \ Florida {Chapman). 



3. A. Sllllivantii, Schimp. Closely resembles A. crisptim^ 

 differing in the plants being smaller, more slender and generally 

 simple, the capsule smaller, bright orange with a slightly longer- 

 beaked lid, and a shorter calyptra. — Bryol. Eur. Astom. 2 ; 

 Sulliv. Icon. Muse. 20, t. 11. Phascum, crispum, Sulliv. Muse. 

 Allegh. n. 211, in part. P. Sullivatitii, Sulliv. Mosses of U. 

 States, 16. 



Hab. Commonly found in meadows, especially in new clover fields. 



4. A. nitidulum, Schimp. Plants much smaller and less 

 branched than in the last : leaves shorter, open, scarcely convo- 

 lute when moistened : capsule ovoid, shining, chestnut-color ; 

 lid obliquely rostellate : calyj^tra short, scarcely reaching the 

 base of the lid. — Bryol. Eur, Astom. 3 ; Sulliv. & Lesq. Muse. 

 Bor.-Am, n. 36. Phascum nitidulum^ Muell. ; Sulliv. Mosses 

 of U. States, 16. 



Var. pygmaeum, Lesq. Plants minute, much divided : 

 costa simply percurrent, not passing above the apex : capsule 

 oval, orange-colored : lid straight, obtusely beaked. 



Hab. On the naked ground in meadows, often found with the preced- 

 ing; Central Ohio. 



11. GYMNOSTOMUM, Hedw. (PI. 1.; 

 Plants cespitose. Stems slender ; branches dichotoraous or 

 fasciculate. Leaves small, gradually larger upwards and tufted 

 at the apex, lanceolate or linear-lanceolate, concave or canalic- 



