570 Williams : Mosses from tropical America 



furrowed when dry, the beaked Hd about two-thirds length of cap- 

 sule ; calyptra smooth, fimbriate at base ; spores rough, up to i6/^. 

 Headwaters of Rio Lopez, Rio Palo basin, 2500-3000 meters 

 January 24, 1906, H. Pittier {1088). 



Dicranodontium setosum sp. nov. 



Dioicous : antheridia 0.5 mm. long with paraphyses slightly 

 exceeding them : plants in yellowish-brown, glossy tufts with 

 stems more or less branching at the base and 5 or 6 mm. high 

 (perhaps only young plants) ; upper stem-leaves up to 1 1 mm. 

 long, mostly erect-spreading, sometimes slightly curved and 

 secund, gradually narrowed from a broad, not auriculate base, to a 

 setaceous point, sharply denticulate 2 or 3 mm. down from apex 

 and formed by the excurrent costa ; costa reddish at base, in cross- 

 section one half up showing one row of large cells on upper side 

 with a narrow band of small, thick-walled cells beneath ; leaf-cells 

 above, elongated, more or less rectangular, in margin below nar- 

 rowly linear, forming a somewhat distinct border, becoming wider 

 toward the costa, and across leaf-base wide and hyaline, forming a 

 more or less distinct group ; perichaetial leaves, about the length 

 of upper stem-leaves, with ovate-oblong, sheathing base rather 

 abruptly narrowed to a rough subula about the length of sheath- 

 ing part ; seta erect, twisted above, up to 2 cm. long ; capsule, 

 without stomata and annulus, erect, oblong, smooth, without lid 

 1.75 mm. long, with a slightly obliquely rostrate lid nearly as 

 long ; peristome red, split three fourths down or more into slen- 

 der, terete segments, obliquely striate on outer surface below and 

 papillose above and on inner surface ; calyptra entire at base, 

 smooth above ; spores slightly rough, up to 18 fi in diameter. 



Paramo de Buena Vista, on tree-trunks, 3100 meters, January, 

 1906, H. Pittier [2060). 

 Octoblepharum albidum (L.) Hedw. 



Cordoba, Dagua Valley, 30-100 meters, December, 1905 {552). 



Funaria hygrometrica (L.) Sibth. 



Hills of Miraflores above Palmira {86^, 206 j). 



Funaria calvescens Schwaegr. 



Immature specimens apparently of this species from the locality 

 of preceding species, 



Bryum argenteum L. 



Collected at various localities from 1500 to 3600 meters. 

 {777, io8g, 2061, 2064). 



