( 125 ) 
rows of thin-walled cells on dorsal side, and the aouenes 
costae very similar but smaller than the primary; the lea 
lamina above is mostly of two layers of cells but broken i 
and there by longitudinal rows of one thickness; leaf-cells 
below short rectangular, up to about 10 # wide and 30 » long 
with thin walls, above becoming smaller and roundish to 
transversely elongated: capsule immersed, ovate-globose, 
peristome and annulus wanting; lid acute, its height less 
than basal diameter ; calyptra iobate: mitrate: spores smooth, 
up to 10 # in diameter 
Juliaca, Peru, ee meters, on dry sandstone, May 15, 
1902 (2814). 
GRIMMIA MIcROo-ovaTa C. Mill. 
Juliaca, Peru, 3780 meters, on dry sandstone, May 15, 
1g02 (2813). 
GRIMMIA LoNGIROSTRIS Hook. 
La Paz, 3600 meters, August 23, 1901 (2818); Huallata 
Pass, 4200 meters, August 29, 1901 (1779); Pelichuco, 3600 
meters, May 4, 1902 (2815); Tacacoma, 3300 meters, June 
10, 1902 (1778). 
GRIMMIA FUSCO-LUTEA Hook. 
Huallata Pass, 4200 meters, August 29, 1901 (1781); 
above Tolapampa, 4200 meters, September 10, 1901 (1782). 
These specimens are not the same as those called G. fusco- 
lutea, collected by Liebmann in Orizaba, Mexico. They 
are, however, very near the figure in Hook. Musc. Exot. 
pl. 63, and agree well with Mitten’s description. 
Grimmia (Hugr/iiita) pansa sp. nov. 
Dioicous; male plants slender, scarcely branching, with 
few flowers: ee peas broadly sia Saieee little 
more than 1 . long: antheridia 0.7 m ong, without 
paraphyses. Gann ng in ee mats, Senn ee above, 
blackish within, with few irregular branches: stems up to 10 
cm. high, in cross-section slightly oval, 160 x 180», without 
central strand and with about 3 rows of thickened cells in 
walls: leaves more or less erect and incurved when dry, ovate- 
lanceolate, smooth, scarcely 3 mm. long and 0.6 mm. ee 
with smooth hair-point in lower leaves scarcely 0.1 mm. long 
