M U S CI. 15 



Hab. Organ Mountains, near Eio Janeiro, Brazil. 



2. Barbula depressa, Sp. Nov. (Tab. 2.) 



B. laxe ccespitosa ; foliis lanceolato-spathidatis costa excurrente subulato- 

 cuspidatis superne minute guthdato-areolatis margine plus minus re- 

 curvis liumectatis subtortis ; capsula cylindracea anguste amiulata, 

 peristomio depresso subturbinato. 



Hab. Near Valparaiso, Chili. 



A rather stout species forming loose tufts of a brownish-green color. 

 Stems li-2 inches high, usually with but one innovation from below 

 the perichsetium ; radicles few. Leaves crisped when dry, and some- 

 what contorted when wet, lanceolate-subspathulate, repand at the 

 obtuse apex, long cuspidate by the smooth excurrent costa ; margins 

 more or less recurved ; areolation diaphanous, loose and oblong at the 

 base, minute guttulate above : perichsetial leaves elongated, undulate 

 on the margins. Capsule cylindrical, long, erect, with a narrow an- 

 nulus ; peristome turbinate, the teeth with a narrow basilar membrane, 

 long, much twisted, the spiral forming almost a right angle with the 

 columella; pedicels slender, flexuous. Calyptra, operculum, and 

 male flowers not seen. 



Plate 2, B. — Barbula depressa : two fertile plants of the natural 

 size. Fig. 1. A plant. 2, 3, 4, 5, 6. Stem leaves. 7, 8, 9. Cross 

 sections of leaf. 10. Portion of the base of a leaf, showing the reti- 

 culation. 11. Point of leaf, showing the same. 12, 13. Capsules. 

 14. Peristome. 15. Portion of peristome. 16. Portion of a tooth of 

 peristome. — Analyses enlarged. 



Tribe 7. DISTICHIE^l. 



1. DISTICHIUM, Br. & Sch. 



1. DlSTICHIUM CAPILLACEUM, Br. & t$ch. 

 Distichium capillaceum, var. hrevifolium, Bryol. Europ. 2, Distich. Monogr. p. 4, t. 1. 



Hab. Casa Cancha, Andes of Peru. 



