= 136 — 
the lowest basal, Stem-leaves subovate with often subu! 
acumen; branch-leaves ovate-lanceolate. Capsule small strar 
late not striate; pedicel thin 3—5 c. m. long. Stem flac 
not pinnate and not creeping; branches complanate often long 
and simple, sometimes" loosed from the stem. Tufts often 
whitish green. Habit of Plagiothecium undulatum: Dioecious 
pseudo-monoecious, very r. fruiting. — Swamps and wet mea | 
dows r. Eur. Sweden and Norway!; E. Nyman (fruiting). Ger 
many: Schimper (fruit). Amer. Can; Macoun; Drümmond 
196; Moser. 
* H.subflaceum C. M. et Kindb. cat. Can. m. Do 
Leaves striate gen. ovate-oblong, denticulate above to ‘ly 
straight; those of stem short-decurrent; alar cells ‘more distinct. 
Tufts green. Capsules unknown, — Swamps r. Amer. Can: 
Macoun. ve 
35.H.pseudo-pratense Kindb. cat. Can. m. NE. 
Differs from H. pratense: Leaves not undulate, more crowded 
and more distinctly denticulate above. Stem creeping; branches 
short; tufts very dense and green. Monoecious. Capsules - 
known. — Logs in woods r. Amer. Can.: Macoun. E 
B. Leaves pale not yellow at insertion, decurrent and 1 
undulate. Branches not compressed. vf 
36.H.Lindbergii Mitten. — H, arcuatum Lindb., non Sulliv. 
Leaves as in H. curvifolium but gen. entire; alar cells large 
hyaline. Capsule large curved strongly plicate not strangulate 
teeth yellow; cilia long-appendiculate; pedicel ‘thick 5—6 e 
long. Stem irregularly divided | eradiculose. ‘Tufts usi 
green. Dioecious very r: fruiting. — On clayey’ earth. 
not r., nearly common in northern districts. Sweden! S. 
Lindberg; E. Collinder (fruiting). Norwayl; E. Nyman (fru 
Switzerl., Italy! Amer. r. Can: Macoun; Moser; Waghorne. 
pendieulate cilia of endostome. Habit of H. 
On earth in woods r. Amer. Can.: Macoun. 
VIII. Cupressina C, Mueller, in part. 
S l. Plicatilia. ONS ua 
38.H.plieatile Mitten. — Stereodon Mitt; Hypnum Lesq 
cupressiforme. à 
- Leaves not decurrent; upper cells: lanceolate, alar small fina: 
