THE POLYTRICHACEZ OF WESTERN NORTH AMERICA 277 
Calyptra cucullate, about half covering the capsule, rough at tip. 
Capsule purple, narrower and more erect than in C. undulata, 
width to length about as 1: 7-8. Teeth shorter than in C. undu- 
lata. Lid dark purple, about half as long as the capsule.—On 
clayey soil—McLeod’s Lake, British Columbia; Santa Cruz 
Mountains, California; Atlantic states; Eastern Canada; Europe. 

Fig. 1. Catharinea crispa. 
1 = Plant moist, with capsule, X 1. 2 = Plant dry, showing crisping of leaves 
x 1. 3 = Capsule with lid, X 5. 4 = Peristome X 150. 5 = Leaf showing lamel- 
lz on upper side, X 15. 6 = Leaf-tip, X 65. 7 = Cross section of leaf, showing 
lamelle, X 65. 8 = Cross section of leaf margin showing thickened border cells, 
x 250. 9 = Cross section of a few lamella, X 250. 
3. Catharinea undulata Web. & Mohr, in Ind. pl. crypt. (1803). 
Atrichum undulatum Beauv. Prodr. p. 42 (1805). 
So named on account of its wavy or undulate leaves. 
Plants in loose patches, dull green. Stems erect, 2.5-5 cm. 
high, simple or much branched, from a subterranean shoot. Inflor- 
escence autoicous. 
