( 123) 
apex: seta 5-6 mm. high; sporangium oblong, when dry 
and empty much contracted under mouth, 0.75-1 mm. long, 
gradually narrowed to a stomatose collum one third its length 
or more: exothecal cells elongated rhomboidal to hexagonal, 
16-25 #« wide and up to 40 # long; lid conical, slightly ob- 
liquely rostrate, nearly 1 mm. high; annulus broad and dis- 
tinct; teeth of peristome from a very short membrane attached 
lose to mouth, terete, red, densely and somewhat spirally 
papillate-striate, indistinctly articulate; calyptra smooth, 
mitrate, split below and descending one half down capsule: 
spores slightly rough, up to 18 # in diameter. 
Lower Cocos river, 900 meters, on clay bank, March 24, 
1902 (1707). 
TorTULA MNIIFOLIA (Sull.) Mitt. 
San Juan, Apolo-Lanca trail, 1050 meters, March 22, 1902 
(1793). 
TorTULA PIcHINCHENSIS Tayl. 
Juliaca, Peru, 3780 meters, on sandstone, May 16, 1902 
(2842). 
ToRTULA GLACIALIS (Kunze) Mitt. 
Sorata, 2250 meters, on rock, June 3, 1902 (1802); Peli- 
chuco river, 2400 meters, April 29, 1902 (2849). 
TorTULA ANDICOLA Mont. 
Pelichuco, 3450 meters, May 5, 1902 (2845). The leaf- 
apex is variable, either entire or with a few teeth just below 
the base of the sharply dentate excurrent nerve. 
ALIGRIMMIA gen. nov. 
In compact loosely cohering cushions on rock. Stems 
with large central strand, fasciculately branching, about 1 
cm. high. Lower leaves very small, upper broadly ovate- 
lanceolate, smooth, obtusely pointed, with entire margins in- 
curved above, in cross-section showing a distinct stereid band 
in the broad costa with one row of cells below and two rows 
of somewhat larger cells above, bearing on their ventral sur- 
face 8 or ro well-developed lamellae. Seta erect: capsule 
oblong, smooth, with erectly rostrate lid and large annulus; 
apne -teeth lanceolate, erect, papillose, solid or somewhat 
split along median line: calyptra mitrate, smooth above, 
plicate in lower half and lobate at base. 
