— 93 — 



aa. Alar leaf-cells ue. distinct. 



II. Stokesiella. Lid of capsule rostrate. Leaves us. distant 

 and decurrent. Mostly dioecious. 



1. Praelonga. Leaves not appressed. Stem us. pinnate. 



2. Velutinoidea. Leaves oppressed when dry. Stem not pinnate. 



III. Illecebrina. Lid of capsule not rostrate. Leaves large 

 crowded not decurrent, appressed when dry. Stem irregularly 

 divided. Mostly dioecious. 



IV. Starkeella. Lid of capsule not rostrate. Leaves decurrent 

 gen. nearly crowded, us. small and not distinctly appressed 

 when dry. Stem gen. subpinnate. Mostly monoecious. 



bh. Alar leaf-cells not distinct. 



V. Bbynchostegiella. Lid of capsule ue. rostrate. Leaves 

 more or less distant, not distinctly decurrent and not appressed, 

 very small. Stem not pinnate. Monoecious. 



b. Pedicel of capsule smooth or (sometimes in E. coUinum) 

 indistinctly rough. Alar leaf-cells gen. distinct. 



VI. Leiopodium. Mostly monoecious. 



1. Muraliformia. Lid of capsule rostrate. Leaves gen. large. 

 Stem us. irregularly divided. Monoecious. 



2. Strigosiformia. l^id rostrate. Leaves us. small, those of 

 branches often obtuse. Stem mostly pinnate. Us. dioecious. 



3. Co!liniforinia. Lid not rostrate. Leaves us. small. Stem us. 

 not pinnate. Mostly monoecious. 



I. Scabridaria Kindb. 



A. Leaves serrate all around, those of branches small narrow 

 gradually acuminate. Stem thin not rigid. 

 l.E.graiiiinicolor Biidel. — Hypnum Brid.; Eurhynohium 

 Renauld et Cardot; Hypnum Sullivantii Spruce; Sull. ic. m. 



Leaves ovate-oblong or broadly ovate-lanceolate with subulate 

 gen. shortish point, not striate, slightly recurved, patent or 

 spreading when dry; cells sublinear or lanceolate exc. the alar; 

 coi-ta vanishing near acumen. Perichetial leaves filiform-pointed. 

 Ca]isnlc Buboval; lid long-conic apiculate or rostellate; pedicel 

 not long. Tufts intricate green not glossy. Stem irregularly 

 divided; branches short distant. Habit of E. prcelongum. Dioe- 

 cious r. fruiting. — On earth r. Amer. Can.: Macoun; Moser. 

 U. S.: Roell. 

 2.E.Siibscabridura Kindb.. note on Canad. bryol. 1893. 



Differs from the last; Stems subjulaceous; branches attenuate 

 longish i:early crowded. Leaves shorter, more concave and 

 longer decurrent; alar cells more numerous. Stem-leaves ovate 



