(28h) 498 



creeping, with short, irregular branches 5-8 mm. long; leaves im- 

 bricate with spreading points, ovate-acuminate, less than i mm. 

 long; margins entire; vein ending below the apex; cells rhom- 

 boidal above, transversely elongated below, not papillose; monoe- 

 cious ; perichetial leaves longer, erect, base long, clasping, vein 

 ending below the acuminate apex; cells elongated ; pedicels red, 

 10-15 mm. long; capsule cylindric, 2 mm.; lid conic; annulus 

 falhng in fragments, narrow, single ; mouth bordered by darker, 

 denser cells, walls thin ; peristome double, teeth long, slender, 

 papillose at apex; endostome with a short. basal membrane and 

 slender, carinate, papillose segments, thickened at the joints, or 

 appendiculate ; cilia none. 



Allied to L. gracillinia Tayl., which has also been collected in 



Bolivia by Bridges, but differs in the vein ending below the apex 



and the leaves being quite smooth. Identical with no. 3185 cited 



above, which was also sent to Dr. MUller and named by him 



Psaidolcskea amblystegiella n. sp., but this name is too near P 



auiblystegioides CM. from Costa Rica, Polanovvsky. 



PsEUDOLESKEA Andina Sch., mss. Prov. Larecaja, vicinius So- 

 rata, 3200 metr. November, 1857 (1694), legit, G. Mandon 

 "super arbores." Sorata, 13000 ft. February, 1886 (3181). 

 H.H.R. and Unduavi, 12000 ft. October, 1885 (3180) 



Plants in dense brown cushions; stems 7-9 cm. long, irregu- 

 larly pinnate; branches .5-1.5 mm. long, slender; paraphyllia 

 small, clustered, branching; leaves small, less than i mm., 

 crowded, minute; base concave appressed, apex subulate, serru- 

 late; vein thick, channelled, excurrent ; cells rhomboidal, pa- 

 pillose, those of the basal angles erect, rectangular and denser on 

 each side of the basal folds. Perichetial leaves longer and more 

 acuminate, and not papillose, outer recurved, inner sheathing, all 

 pale and plicate with the vein ending below the apex. Pedicels 

 straw-colored, 2 cm. long ; capsules arched, 3 mm. long, slightly 

 contracted below the mouth when dry ; lid mammillate ; mouth 

 bordered by a deep flaring rim ; peristome inserted below the 

 rim, double ; teeth yellow, trabeculate ; endostome yellow, seg- 

 ments as long as the teeth, carinate, rarely divided or open along 

 the keel, attached to a short, basal membrane, appendaged at the 

 joints; cilia none; spores rough, .016-.021 mm. green. 



No. 318 1 was named for Dr. Rusby, by C. MuUer, but Schim- 

 per's name has priority. 



Thuidinin Peniviamiui Mitt. Near Yungas, 6000 ft. (3178), 

 Unduavi, 8000-10,000 ft. October, 1885 (3179). 



