68 CONNECTICUT GEOL. AND NAT. HIST. suRVEY. [Bull. 
Diplophylleia taxifolia (Wahl.) Trevis. 
On shaded rocks. LircHFieELp: Salisbury (1890), Evans. 
New Haven: Branford, Evans. 
Newfoundland to Alaska, south to New England, Idaho, 
and: Washington; Europe; Asia. 
Rer. Evans, 28, 171. 
Scapania Dumort. 
1. Ventral lobe obtuse, acute, or apiculate, mostly entire.... 2 
Ventral JOBE FOUNRGER oor ce ceed ahem ea eee oe Sa eS Sake S 3 
2. Growing on earth or rocks; stems usually less than 2 cm. 
LONG? oo cabin te dae euadaceed Saw see gaa te es Seats S. curta 
Growing in bogs; stems mostly 2-10 cm. long...... S. irrigua 
3. Growing on rocks or banks; leaves mostly toothed or 
GEA CES Ghisca ace puwseng ot steeds. Bhs Selene A Seed ewan d Sos ucts 8 See anne eens cesar 4 
Growing on wet rocks, usually in streams; leaves mostly 
entire, the dorsal lobe arching beyond stem; leaf cells 
thin-walled: s+ cscsse dene ss Boos swab ery eee ee eee S. undulata 
4. Bright green, varying to yellowish or brownish; dorsal 
lobe arching beyond stem; leaf cells with uniformly 
thickened walls except near base; leaf margins mostly 
CUI ALE y canctonsee ade Gui ve snatinue eae edhe a oe areas S. nemorosa 
More or less tinged with red; dorsal lobe scarcely arching 
across stem; leaf cells with thin walls but with more. 
or less evident trigones; leaf margins mostly dentate 
S. dentata 
Scapania curta (Mart.) Dumort. 
On rocks. New Haven: Meriden (1907), Miss Loreits. 
Greenland to Alaska, south to Maryland and California; 
Europe; Asia. 
Scapania irrigua (Nees) Dumort. 
In bogs. LitcHFiELD: Winchester, Evans. New Haven: 
Bethany (1892), Evans. 
Greenland to Alaska, south to New Jersey and British 
Columbia; Europe; Asia. 
Exsic. Underwood & Cook, Hep. Amer. No. 190 (Beth- 
any, F. Bement, incorrectly labeled, ‘ Lebanon, Ct.’’). 
Rer. Evans, 28, 172. Miller, 60, 80. 
