— 165 — 
' B. Pedicel rough. 
3.G.trachypoda Kindb. 1. c. 
Leaves subovate or ovate-oblong, short-acuminate acute. Pe- 
richetial leaves with long sublinear acute acumen; costa not. 
excurrent. Capsule straight; pedicel straight, rough in upper 
part. — Amer. Pacif. distr. r. Can. Brit. Col.: Macoun. 
4.G.geniculata Girgensohn. -- Tetraphis 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. Amer. princ. in Pacif. 
distr. . Can.: Macoun; N. Foundl.: Waghorne. Alaska: J. M. 
Macoun. U. S.: Leiberg, com. Mrs Britton. 
IL. Tetrodontium Schwegrichen. 
5.G.Brownii 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 narrowly 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. »U. S.»: 
Lesy. et Jam. - 
Fam. 19. Fissidentacee. 
75. Fissidens Hedwig. 
À. Leaves nerveless hyaline narrowly limbate. i 
L Aneuron. Pedicel of capsule terminal. Plants minute. 
= B. Leaves costate. 
= AL Pachyfissidens. Leaves pluristratose not limbate, large 
and entire. 
HI. Aloma. Leaves unistratose not limbate. 
a. Peristomial teeth wholly deflexed when dry. 
.1. Camptodontii. Capsule terminal Plants small. Dioe- 
. Qus, Leaves in few pairs. 
b. Peristomial teeth suberect or inflexed when dry. 
aa. Capsule terminal; lid very short conic obtuse. 
2. Obtusifolii. Leaves broad-obtuse entire and small. 
aa lants small. 
- bb. Lid of capsule rostrate or rostellate, gen. long. . 
3. Adiantoidei. Capsule gen. not terminal. Leaves serrate 
