— 307 — 



basal long-rectangular (often to middle of leaf) in straight rows. 

 Capsule not deeply sulcate, not strangulate; pedicel thin very 

 long; calyptra sparingly hairy. — Trees r. Eur. Irel.: Stewart 

 and Holt. 



32.0.BrTichii Hornschuch. — Ulota Hsch.; Orthotrichum Wilson. 



Leaves us. subulate at apex; upper cells rotundate, the outer 

 basal short-rectangular in straight rows. Capsule deeply sul- 

 cate; calyptra densely hairy. — On trees or very r. on stones. 

 Eur. not uncommon. Sweden, Switzerl.l France: Husnot. Amer. 

 r. Can.: Macoun. 

 33.0.0btiisiusCHlum C. M. et Kindb. — Ulota C. M. et K. 1. c. 



Differs from the last: Leaves more or less obtuse at apex; 

 upper and middle cells oval-oblong. Capsule narrower; pedicel 

 longer and thinner. — Trees r. Amer. Can. Brit. Col. and 

 Vane, isl.: Macoun. 



34.0.1llopliyllum Ehrhart. — Bryum striatum var. ulophyllum 

 Ehrh. 1780; Weisia ulophylla Ehrh. 1787; Orthotrichum Kindb.; 

 O. crispum Hedwig 1788; Ulota Brid. 1819. 



Differs from 0. Bruchii: Outer leaf-cells rhombic-quadrate in 

 oblique rows. Capsule shorter, us. strangulate. — On trees. 

 Eur. not uncommon. Prance! Sweden: Zetterstedt. Amer. r. 

 Can.: Macoun; Waghorne. 



* O.crispulum Bruch. — Ulota Bruch; Orthotrichum Br. eur. 



Capsule not strangulate, oval or round-oval not defluent to 

 neck. — Eur. not uncommon. Sweden, Norway, France! Amer. 

 Can. not r.: Macoun; Waghorne. 



* O.intermediuiu Schimper. — Ulota Sch.; Orthotrichum Kindb. 



Capsule not or faintly constricted, finally subcylindric, euboval- 

 oblong when young. — Sometimes on rocks, gen. r. Eur. 

 Norway! Sweden: P. Olsson. Austria: Breidler. Amer. Can.: 

 Macoun; Waghorne. Miquelon isl.: Delamare, com. Cardot. 

 35.0.Rohmanni Juratzka. — Ulota Jur.; Orthotrichum Kindb. 



Differs from 0. ulophyllum *crispulum: Leaves less ciisped; 

 alar cells quadrate. Calyptra nearly glabrous. — Trees r. 

 Austria: Breidler, com. C. Mueller. 



V. Pseud-Ulota Kindb. 

 36.0.jutlandicum Bridel. — Ulota phyllantha Brid. in part. 



Leaves sublinear above middle, short-acuminate often sub- 

 obtuse, nearly flat at borders, faintly papillose; nearly all basal 

 cells long; costa smooth. Capsule oblong; neck long; teeth 

 erect; pedicel long straight thin. — On trees princ. near sea 



