— 195 — 



and woods on pandy soil, r. on rocks. Eur. not r., common in 

 northern distr. Sweden, Norway, Switzevl.l Amer. Can. not r.: 

 Macoun; Waghorne. 



B. Leaves smooth at back of lamina, not crisped; costa not 

 excurrent. 



a. Leaves not undulate gen. short. 

 35.D.brachycaalon Kindb. cat. Can. m. — D. plano-alare C. 

 M. et Kindb. 1. c. 



Leaves ovate-oblong or broadly ovate-lanceolate acute, entire 

 or near apex indistinctly denticulate, sometimes nearly appressed 

 when dry, smaller than in the last; cells gen. short also near 

 base; costa smooth at back. Tufts low green. — Dry rocks 

 or earth r. Amer. Can.: Macoun; Waghorne. 

 Se.D.stenodictyon Kindb. bull. Torr. club XVI. — Monocra- 

 num Kindb. cat. Canad. m. 



Leaves narrowed below, from oblong base short-acuminate 

 obtuse, very short, orenulate (not serrate) above middle, appressed 

 when dry; cells thick-walled not porose; the outer alar brown, 

 the inner hyaline; other cells lanceolate or the upper oblong, 

 the apical sometimes oval; costa very narrow, serrulate above 

 at back. Capsules unknown. Tufts blackish when dry with 

 straw-yellow tops, nearly eradiculose. Habit of CalUergon sar- 

 mentosum. — Earth in woods r. Amer. Can. Brit. Col.: Macoun. 



— In the resembling Monocranum dicranoides C. M. (from Chile, 

 com. C. M.) leaves are long-acuminate, peristomial teeth entire, 

 not cleft. 



b. Leaves long gen. broadly acuminate or short-subulate, 

 sometimes undulate. 



aa. Leaves distinctly decurrent; cells not porose, those of 

 decurrent part narrow; costa smooth at back. Tufts nearly 

 without rhizoids. Capsules unknown. 

 ST.D.leioneuron Kindb. bull. Torr. club XVI. 



Leaves gen. quite entire, sometimes subobtuse at apex, con- 

 volute in middle, suberect when dry, not undulate; angular 

 cells diversiform, the inner pellucid sometimes pale yellow; 

 other cells long narrow; costa very narrow. Tufts yellowish. 



— Swampy woods r. Amer. Can. Anticosti: Macoun. 



bb. Leaves gen. not distinctly decurrent; cells us. porose; 

 costa more or less denticulate at back. Inner perichetial leaves 

 longer than the awn. Pedicels long solitary or r. in pairs. 

 Tufts radiculose. 

 38.D.SCOpariuiii L. — Bryum L.; Dicranum Hedwig. 



