— 94 — 



filiform-pointed; branch-leaves ovate-oblong long-acuminate. Tufts 

 pale green. Sometimes pseudo-monoecious. Capsules unknown. 

 — Limestone rocks r. Amer. Can.: Macoun; Waghorne. 



B. Leaves serrate all around broad and somewhat large sub- 

 obtusate or abruptly short-acuminate. Stem thick rigid. 

 S.E.SCabridnm Lindberg in litt. — Bryhnia Kaurin. 



Leaves short acute faintly striate strongly mamillose, long- 

 decurrent recurved near base; alar cells somewhat numerous, 

 the otbers eublinear-lanceolate; costa vanishing near middle 

 or shorter. Stem-leaves ovate; branch-leaves ovate-oblong. Cap- 

 sule suboval; lid long-conic. Tufts dark green. Stem decum- 

 bent gen. irregularly divided; branches short obtuse distant 

 straight often subjulaceous. Dioecious. — Earth r. Eur. Norway: 

 N. Bryhn; E. Nyman. 



C. Leaves serrulate at the subulate shortish point, broad and 

 somewhat large. Stem thick rigid. 



4.E.NoTae Angliae Sullivant et Lesquereux. — Hypnum S. L.; 

 Sull. ic. m.; Eurhynchium Kindb.; Hypnum Lq. et Jam. 



Leaves not striate, nearly appressed when dry and not recur- 

 ved, from gen. broad-ovate base abruptly acuminate; alar cells 

 subquadrate, the others lower suboval, the upper oblong-lanceo- 

 late; costa vanishing below acumen. Capsule oblong or curved; 

 Ud long-conic sometimes rostellate; pedicel not long. Tufts 

 somewhat loose, brownish or yellowish at least below, often 

 pale green above. Stem ascending subpinnate; branches gen. 

 straight and short. Dioecious. — Wet rocks r. Amer. Can.: 

 Moser. U. S.: Austin, com. Macoun; Sullivant et Lesq., com. 

 Cardot. 

 5.E.chloropterum C. M. et Kindb. — Hypnum cat Can. m. 



Differs from the last: Leaves striate not appressed, often 

 recui-ved to middle, less abruptly narrowed, glaucous green and 

 longer decuiTent; upper cells sublinear; costa shorter, vanishing 

 near middle. Branches often fasciculate in upper part of stem, 

 us. curved. Sometimes monoecious. Resembles somewhat 

 Hypnum deeipiens or a Thuidium in habit. — Wet earth and 

 rocks r. Amer. Can. N. Brunswick: Moser; N. Foundl. common: 

 Waghorne. 



n. Stokesiella Kindb. 

 1 . Praelonga. 



A. Leaves denticulate all around. 



a. Leaves long-acuminate; those of stem very broad at base, 

 long-decurrent; angular cells numerous, special alar large. 



