— 165 — 



B. Pedicel rough. 

 S.Gr.trachypoda Kindb. 1. c. 



Leaves subovate or ovate-oblong, short-acuminate acute. Pe- 

 richetial leaves with long sublineai- acute acumen; costa not 

 excurrent. Capsule straight; pedicel straight, rough in upper 

 part. — Ainer. Pacif. distr. r. Can. Brit. Col.: Macoun. 

 4.G-geniculata Girgensohn. — Tetrnphis Girg.; Georgia Lindb. 



Leaves ovate-lanceolate or ovate-oblong long-acuminate acute. 

 Perichetial leaves ovate- lanceolate with long subulate acumen; 

 costa not excurrent, Capsule straight; pedicel geniculate very 

 rough above the bend. — Rotten wood r. Anier. princ. in Pacif. 

 distr. Can.: Macoun; N. Foundl.: Waghorne. Alaska: J. M. 

 Macoun. U. S.: Leiberg, com. Mrs Britton. 



II. Tetrodoiitiuni Schwagrichen. 

 5.G.Browuii Dickson. — Bryum Dicks.; Georgia C. M. 



Perichetial leaves ovate-oblong or ovate-lanceolate short-acu- 

 minate subacute. Capsule suboval straight very small; pedicel 

 straight smooth. Perigonial leaves subulate-acuminate. Stem 

 bearing at base shoots and long narrowlj' cuneate often 2 — 3- 

 lobed leaves, resembling branches of a fallow-buck. — On 

 shady rocks princ. of sandstone, sometimes covered by other 

 mosses. Eur. somewhat r. Norway, Sweden! Amer. r. »!]. S.»: 

 Lesq. et Jam. 



Fam. 19. FissidentacesB. 



75. Fissidens Hedwig. 



A. Leaves nerveless hyaline narrowly limbate. 



I. Aneuron. Pedicel of capsule terminal. Plants minute. 



B. Leaves costate. 



II. Pachyflssidens. Leaves pluristratose not limbate, large 

 and entire. 



III. Alonia. Leaves unistratose not limbate. 



a. Peristomial teeth wholly deflexed when dry. 



1. Camptodontii. Capsule terminal. Plants small. Dioe- 

 cious. Leaves in few pairs. 



b. Peristomial teeth suberect or inflexed when dry. 

 aa. Capsule terminal; lid very short conic obtuse. 



2. Obtusifolli. Leaves broad-obtuse entire and small. 

 Plants small. 



bb. Lid of capsule rostrate or rostellate, gen. long. 



3. Adiantoidei. Capsule gen. not terminal. Leaves serrate 



