— 293 — 
. more or less ribbed; teeth red; endostome yellow; calyptra very 
long, fringed below. Leaves limbate cucullate lingulate. 
IL Diplolepis. Capsule necked, neither twisted nor sulcate; 
endostome rudimentary adhering to teeth; calyptra us. fringed 
when young. Leaves not limbate. 
- B. Peristome simple or wanting. Monoecious. t» 
a, Leaves not recurved. Capsule without. distinct. defluent 
= neck; pedicel red. à M 
III Rhabdotheea.. Capsule greenish or pale yellowish, sul- 
cate when dry, often red-ribbed; peristome often present; ca- 
 lyptra not long, r. fringed. Leaves often limbate. 
IV. Pyromitrium. Capsule pale brown not sulcate; peri- 
stome none; calyptra long, often fringed when young. Leaves 
 limbate. 
b. Capsule more or less distinctly necked; pedicel yellow 
1n younger state. | Leaves recurved. i 
V. Xanthopus. Capsule reddish r. sulcate, not ribbed; peri 
stome us. present. Leaves not distinctly limbate. 
: I. Streptotheca Kindb. 
. A. Capsule very much twisted also when unripe. Leaves 
 Obtusate obtuse; costa hispid above at back, not excurrent. 
Spores about 0,01 m. m. Ie 
1.E.contorta Wulfen. — Bryum Wulf; Encalypta Lindb; E. 
 Streptocarpa Hedwig. : 
- Outer perichetial leaves from broad base abruptly tapering 
to a long sublinear obtuse acumen; the inner shorter with short 
acute acumen. Pedicel faintly rough. Calyptra hispid at beak. 
Sterile stems often with propagula. Dioecious r. fruiting. — 
Rocks princ. caleareous. Eur. not uncommon. Sweden, Nor- 
Way, Switzerl.! Austria: C. E. Kindberg. Amer. Can.: Macoun: 
2.E.cucullata C. M. et Kindb. l. c. Un a 
 ^Perichetial. leaves gradually long-acuminate acute with long 
. hairpoint. Pedicel smooth. Calyptra hispid on the whole 
 Sürface. Stem without propagula. Monoecious. — Crevices of 
alp. rocks r. Amer. Can. Brit. Col: Macoun. pemods 
B. Capsule faintly twisted, straight when unripe; pedicel 
Smooth; calyptra hispid at beak. Upper leaves acute; costa 
— often excurrent. Spores 0,02 m. m. Monoecious. 
oH. procera Bruch. ESR 7 ; 
c leaves gen. acute, sometimes with hairpoint; the peri- 
€hetial] subovate short-aeuminate us. with hairpoint. . Capsule 
Without distinct neck; teeth us. shorter than endostome. — 
