92 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bllll. 



g. Branches terete; capsule immersed Cryphaea, p. 130 



Branches flattened; capsule emergent on a short stalk. . . . 



Forrstroemia, p. 131 



10. Leaves mostly rough-papillose il 



Leaves smooth, rarely slightly papillose at the cell angles. 21 



11. Capsule symmetrical, erect or nearly so 12 



Capsule unsymmetrical, arcuate 16 



12. Leaves with a midrib, margin usually entire 13 



Leaves without a midrib IS 



13. Midrib extending nearly to apex of leaf 14 



Midrib A^anishing at middle of leaf or below 



Haplohymenium, p. 136 



14. Primary stem stoloniform; stem leaves minute 



Anomodon, p. 137 

 Stem not stoloniform; stem and branch leaves uniform 



Leskea, p. 138 



15. Plants glaucous green, iiranches julaceous; leaves closely 



imbricated ; cilia two Myurella, p. 136 



Plants light green, branches slightly flattened; leaves 



loosely appressed; cilia none. . . .Schwetschkeopsis, p. 132 



16. Monoicous 17 



Dioicous 20 



17. Stem and branch leaves dififering in size and shape; leaf 



cells with several minute papillae 18 



Stem and branch leaves similar in size and shape; leaf 



cells with one, rarely two papillae, or smooth 19 



18. Lid short-rostrate; paraphyllia multiform Rauia, p. 139 



Lid long-rostrate; paraphyllia simple Thuidium, p. 140 



19. Leaf cells smooth or lightly papillate; plants of swampy 



woods or meadows Elodium, p. 142 



Leaf cells strongly papillate on both surfaces; plants of 



moist woods Haplocladium, p. 139 



20. Stem and branch leaves similar in size and shape; para- 



phyllia mostly lacking Claopodium, p. 140 



Stem and branch leaves differing in size and shape; para- 

 phyllia numerous Thuidium, p. 140 



21. Stem erect from a creeping caudex, dendroid; capsules 



clustered 22 



Stem prostrate or ascending; capsules borne singly 23 



22. Cilia lacking Climacium, p. 170 



Cilia well developed, appendiculate Thamnium, p. 171 



