160 ■ BRYACE^. [Amphoridium. 



Muse. i. 51, t. 32; Sulliv. & Lesq. Muse. Bor.-Am. Exsicc. 

 n. 114. Syrrhopodon excelsus, Sulliv. Muse. Allegh. n. 170. 



Hab. Rocks on the top of Grandfather Mountain, North Carolina 

 {Gray & SulUvant); summit of Black Mountains, in same State, on 

 branches and rocks (Lesquereux). 



5. A. CSespitOSUm. Mueh like A. llougeotii in size and 

 aspect, differing in the leaves erect at base, open and incurved 

 toward the apex, gradually acute, distantly serrulate, the basilar 

 cells oblong-reetangular, ovoid in the middle, round above. — 

 Didymodon ccespitosus, Mitt. Journ. Linn. Soc. viii. 18. 



Hab. Vancouver Island (Lyall). 



54. DRUMMONDIA, Hook. (PI. 2.) 

 In wide compressed tufts, the stems divided into long creeping 

 shoots with very short branches. Leaves crowded. Calyptra 

 large, cuculliform, originally conical, as in Schlotheimia. Teeth 

 of the peristome 16, short, truncate, entire, densely trabeculate, 

 smooth and thin. 



1. D. clavellata, Hook. Tufts dark green, blackish in- 

 side ; stems prostrate, naked, radiculose on the lower side the 

 whole length ; branches numerous, short, erect, often prolonged 

 into long creeping shoots around the tufts: leaves open-erect, 

 ovate-lanceolate, blunt or acute, concave, firm, costate-sulcate 

 to near the apex; areolation dense, punctiform; perichajtial 

 leaves similar : flowers dioecious, terminal or lateral by innova- 

 tions : calyptra inflated, somewhat plicate at base, reaching to 

 the base of the capsule: capsule terminal on short erect 

 branches, short-pedicelled, ovate-globose, microstome, thin, 

 quite smooth ; lid obliquely rostrate ; annulus none. — Drumm. 

 Muse. Amer. n. 62 ; Muell. Syn. i. 687 ; Sulliv. Mosses of U. 

 ■ States, 32, and Icon. Muse. 52, t. 33. 3Iacromitrvum, Schwaegr. 

 Gymnostoinum prorepens, Hedw. Spec. Muse. 35, t. 3. 



Hab. On trees; Northern and Middle States; common. 



55. ULOTA, Mohr. (PI. 2.) 

 Leaves long, lanceolate, flexuous, crispate and twisted when 

 dry ; cells at the middle of the concave base linear and chloro- 

 phyllose, enlarged and hyaline on the borders. Flowers monoe- 



