BRAZILIAN MOSSES. 153 
Dicranum debile, Wils. and Hook. Musci Americani. 
No. 51. 
On the face of a moist rock, Corcovado. 5, on dry bank, 
Tejuca. c, on clay bank. d, Parahybuna. Oct. 1840, n. 20, (1), 
n. 32, (1), n. 5, (2). 
Perhaps this moss may prove to be only a diminutive state 
of Dicranum densum, Hook. Musc. Exot. t. 140, and it has 
much in common with Weissia longirostris, Schwaegr. Suppl. 
5/117. 
20. Dicranum fleruosum, var. Hedw. Sp. M. t. 38. On rocks, 
Serra de Araripe. Nov. 1838. 
21. D. longisetum, Hook. Musc. Exot. t. 139. Summit of 
Organ Mountains. 
22. D. arctocarpum, Hornsch. in Fl. Bras.! On decayed 
trunks of trees, in a shady wood. Feb. 1837. "The seta of 
this moss is straight when moist, n. 19, (2). 
23. D. concolor, Hornsch. in Fl. Bras.! (non Hooker, M. - 
Exot. t. 138). Corcovado, n. 30, (1). ! 
24. D. filifolium, Hornsch. Fl. Bras. Corcovado, n. 30, (1). 
25. D. penicillatum, Hornsch. Fl. Bras. ! On dry banks, Or- 
gan Mountains, n. 7, (2). 
Described from barren specimens in Flora Brasiliensis. 
Ours have perfect fructification, showing all the characters of 
Campylopus, Brid. 
26. D. Guilleminianum, Montagne, Ann. Sc. Nat. vol. 14. 
2 Cent. No. 91. 
On the face of a moist rock, Corcovado. Nearly allied to 
D. vaginatum, Hook. Musc. Exot. t. 141, n. 7, (1). 
27. Holomitrium crispulum, Hornsch. Fl. Bras. 
Didymodon tortuosum, Hornsch. MSS.! 
D. longifolium, id. 
Woods, Organ Mountains. 4, Parahybuna, on stems of 
trees, Oct. 1840. c, on small trees, Jan. 1837, n. 17, 9 
28. H. Olfersianum, Hornsch. in Fl Bras. 
Didymodon vaginatum, Hornsch. MSS.! - 
On the trunk of a tree, Praia Vermelha, n. 26, (1). 
29. Trematodon longicollis, Schwaegr. Suppl. t. 120. 
