332 Williams: Peruvian mosses 



Fabronia andina Mitt. 



Ollantaytambo, on rock, about 3,000 m.. May, 1915, Cook & 

 Gilbert 662; Urubamba, 2,900 m., July, 191 1, Foote 27; Ollantay- 

 tambo, 2,750 m., July, 1911, Foote 28. 



Fabronia polycarpa Hook. 



Santa Ana, 912 m., August, 191 1, Foote 29. 



Cyclodictyon aeruginosum (Mitt.) Broth. 



Lucma, on dead wood, 2,130 m., August, 1911, Foote 30. 



Rhacopilum tomentosum (Hedw.) Mitt. 



Santa Ana, on dead wood, 912 m., August, 1911, Foote 31, 32; 

 San Miguel, 1,525 m., September, 191 1, Foote 33. 



Leskea gracillima Tayl. 



Urubamba, 2,900 m., July, 1911, Foote 34, on bark, 35 on rock; 

 Ollantaytambo, on rock, about 3,000 m.. May, 1915, Cook & Gil- 

 bert 609a, 663. 



Thuidium peruvianum Mitt. 



Ollantaytambo, about 3,000 m.. May, 191 5, Cook & Gilbert 

 704, 748. 

 Hygroamblystegium irriguum (Wils.) Loeske. 



Urubamba, on rock, 2,900 m., July, 1911, Foote 36. Appar- 

 ently not before reported for South America. The next nearest 

 known location is, I believe, Guatemala. 



Drepanocladus longifolius (Wils.) comb. nov. 



Amblystegiiim longifolium Wils.; Mitten; Jour. Linn. Soc. Bot. 

 12: 571. 1869. 



Temple of Viracocha, near Tinta, about 3,500 m., in a spring, 

 April, 1 91 5, Cook & Gilbert 216. 



These sterile specimens seem to belong under this species 

 although only known from Patagonia up to the present time. 



Hygrohypnum peruviense sp. nov. 



Inflorescence unknown: growing in loose mats with irregularly 

 branching stems without radicles, 2-3 cm. long and about 200 /x 

 in diameter, in cross-section showing a distinct central strand 

 and outer walls of about three rows of smaller, thick-walled cells; 

 leaves loosely erect-spreading, more or less secund, rather broadly 

 ovate-acute, somewhat cymbiform, 1.5-2 mm. long, and nearly 

 or quite entire; costa stout, 80 ju wide or more at the base, simple 



