— 299 — 
V. Pseud-Ulota. ^ Capsule exserted; cilia narrow. Leaves 
strongly crisped; hyaline alar cells uniseriate or indistinct. 
Tufts pulvinate. Dioecious very r. fruiting, often with propa- 
gula when sterile. ^ 
B. Stomata of capsule immersed. 
VI. Calyptoporus. Capsule often strangulate; cilia us. sub- 
filiform. Leaves more or less recurved, gen. not crisped. Mon- 
oecious. 
à. Leaves partly flat at borders. Plants gen. small. 
1. Psiloearpa. Capsule immersed thick neither sulcate nor 
strangulate. Leaves not crisped. 
2. Microcarpa. Capsule immersed thick sulcate us. stran- 
gulate. Leaves not crisped. 
3. Pulchella. Capsule narrow subcylindrie sulcate not di- 
stinctly strangulate, us, exserted. Leaves more or less crisped. 
b. Leaves recurved nearly all around, not crisped. Capsule 
sulcate. 
aa. Leaves with hyaline hairpoint. 
| 4. Diaphana. Capsule immersed not strangulate. Plants small. 
: bb. Leaves without hairpoint. 
| | 5$. Rivularia. Capsule immersed. Leaves channelled short 
broadly obtuse; cells large thin-walled, the upper polygonal; 
costa abbreviate. Plants gen. large, growing in or near water, 
r. fruiting. 
.6. Cupulata. Leaves carinate long gen. acuminate acute; 
upper cells small rotundate thick-walled; costa gen. percurrent. 
Capsule sometimes not strangulate; teeth not appressed to it. 
. Plants often large, growing on rocks or less often on trees. 
7. Pumila. Leaves more or less distinctly carinate often 
obtuse; upper cells small rotundate thick-walled; costa gen. 
 percurrent. Capsule us. strangulate; teeth appressed to it when 
Plants small us. pulvinate, growing on trees or less often 
on rocks. 
; I. Coelophyllum Kindb. 
^A. Capsule with nearly as long neck; teeth orange. - 
 l.O.obtusifolium Schrader. 
Leaves ovate-oblong obtusate not involute at apex, also the 
perichetial; costa pellucid not percurrent. — Trees and roofs. 
r. common. Sweden, Norway, Switzerl.! Amer. not common. 
Van. Macoun. x ; À 
20.inflexum C. Mueller syn. — »O. brachytrichum Schim- 
per»: Lesq. et Jam. ? ` dues 
