— 132 — 



* H.pseiido-stramineiim C. Mueller. 



Leaves green entire often straight; those of branches often 

 with oblong apical cells. Capsules not seen. — R. Etir. Swe- 

 den: E. Adlerz. Germany: Milde. Amer. Can.: Waghorne. 



b. Capsule annulate not large; pedicel often short. Leaves 

 often short and broad; cells often dilated; costa mostly short. 

 Dioecious r. fruiting. Tutts not reddish. 



ig.H.Kneiffii Schimper. 



Leaves entire (or minutel}' denticulate above), from subovate 

 or broad-ovate base tapering to a gen. longer but broad and 

 short-subulate acumen, us. small and distant; cells often dila- 

 ted; costa us. short, sometimes bifid. Capsule more or less 

 arcuate; pedicel 2 — 5 c. m. long. Tufts green. — Ew. not r. 

 Sweden, Norway! Amer. Can.: Macoun. 



* H.Seiidtneri Schimper, in part; Boulay. 



Leaves larger less distant, us. brown-green; cells gen. narrow, 

 the alar often yellowish. — Eur. Sweden!; C. O. Hamnstroem 

 (determ. Lindberg); E. Adlerz. Amer. r. Can.: Macoun. 

 20.H.conflatum C. M. et Kindb. cat Can. m. 



Leaves small distant denticulate all around; those of stem 

 from round-ovate base tapering to a shorter subobtuse acumen; 

 branch-leaves oblong-lanceolate; cells gen. dilated; costa gen. 

 vanishing in acumen, sometimes indistinct. Capsule smaller 

 than in the last, strangulate; lid low apiculate; pedicel very 

 long and capillary. Tufts green. — Amer. r. Alaska: J. M. 

 Macoun. Can.: Macoun, Canad m. n. 334; \Vaghorne. 

 21.H.]ianiifolium Schimper. 



Leeves large crowded entire, fi-om ovate-oblong base tapering 

 to a longer narrow-subulate acumen; cells linear; costa long. 

 Tufts yellowish. Branches robust, rigid when dry. Capsules 

 unknown. — Eur. r. Germany near Breslau: Schulze, com. 

 Warnstorf. Amer. »U. S.»: Renauld. 



4. Uncinata. 



A. Leaves not recnived, entire at least below. 

 22.H.liiiciiiatuiii Hcdwig. — H. aduncum Lindb. 



Leaves short-decurrent from narrowly ovate base tapering to 

 an often filiform-pointed acumen, us. striate; alar cells large, 

 the others linear; costa us. long. Capsule cylindric arcuate or 

 nearly straight, strangulate; lid apiculate; pedicel us. 3 — 4 c. m. 

 long. Tufts us. green and eradiculose. Stem often pinnate. 

 Monoecious us. fruiting. — Gen. common. Evr. Sweden, Nor- 



