( 237 ) 
Sept. 10, 1901, on rock (1725). The leaves often end ina 
pale, flexuous hair point, also seen in European specimens. 
Rhacocarpus squamosus sp. nov. 
lants in dense mats, about 7 cm. high, rather pale brown 
above, much darker below; stems with irregularly scattered, 
spreading branches; stem-leaves oblong-panduriform, 2 mm. 
long and up tor mm. wide, entire and revolute on margin 
below with a red border gradually widening into the thick- 
walled alar cells with narrow lumen, minutely denticulate 
above with incurved margin toward acute apex which bears 
a short (0.1 mm. long) entire apiculus; branch leaves similar 
to stem leaves but narrower; perichaetial leaves convolute, 
2.5 mm. long, with apex truncate or somewhat retuse with a 
short apiculus, in length about that of the stem-leaves; pedicel 
12 mm. long, rough at apex; capsule without lid 2 mm. high; 
lid and calyptra not seen; spores pale, slightly rough, about 
20 fe in diameter. 
Near Tolapampa, 3600 meters, Sept. 11, 1901 (2894). 
This plant seems to be quite distinct in its broad, short-pointed, 
scale-like leaves with thick-walled alar cells. 
Ruacocarpus Humpouipti (Hook.) Lindb. 
Above Tolapampa, 3600 meters, Sept. 11, 1901 (1923). A 
rather small form of the species. 
PsEUDOCRYPHAEA FLAGILIFERA (Brid.) E. G. Britton. 
San Buena Ventura, 425 meters elevation, on tree trunks, 
Nov. 15, 1901 (1988). Near Aten, 1200 meters, on rock, 
Aug. 8, 1902 (1989). 
ACROCRYPHAEA JULACEA (Hornsch.) Bryol. Eur. 
Mapiri, 550 meters, on trunks of Cacao, Sept. 18, 1901, 
(1987). 
ACROCRYPHAEA GARDNERI (Mitt.) Jaeg. 
Rio Pelichuco, 2000 meters, April 29, 1902 (2853). Santa 
Barbara, 1500 meters, Aug. 30, 1902 (19 
CRYPHAEA LATIFOLIA Mitt. 
Sorata, 2400 meters, Sept. 3, 1901 (1984). 
