170 JUNGERMANNIACEAE 
commonly bearing near the base on the side toward the stem а 
Perianth free, commonly emersed, more or less compressed dorso- 
ventrally, trigonous in cross-section with the third angle ventral or 
Sometimes tetragonous with two ventral angles, often bearing in 
ruptured by the exsertion of the capsule. Calptra free, included, 
pyriform or obovoid, fleshy. Capsule globose, exserted оп a short 
seta, dehiscing by four valves for about 24 the distance from the 
apex to the base, the valves composed of two layers of cells, those 
beet the basal uncleft portion of the capsule-wall made up 
of several layers. of thin-walled colorless cells. Seta scarcely 
the upper half of the capsule-valves, the free ends truncate 
or with a trum et-like e : я 
Ж | ег- 
ruculose, * 4 pansion. Spores large, papillate or v 
"E : 
ix Аре North American species of Frudlania have been admirably figured and de- 
4 p Y Dr. Alexander W Evans (Trans. Conn. A x ти 
= j 97). The following descriptions of the Californian species are taken with but 
slight modifications from Dr. Evans’ paper. 
я ле РЕ 
