Analytic Keys to the Species of Mosses. 
51 
TETRAPHIS, p. 186. 
Pedicel straight. T. pellucida, 1. 
Pedicel geniculate at middle.T. geniculata, 2. 
DISSODON, p. 189. 
Seta short (5 mm.), thick, capsule erect, chestnut brown, 
D. Horuscliuchii, 1. 
Seta longer (1.5 cm.), plants 1-2 cm. high, capsule often 
inclined, orange.D. Froelicliianus, 2. 
Seta longer (3-4 cm.), plants 4-12 cm., capsule erect, 
orange.D. splaclmoides, 3. 
TAYLORIA, p. 190. 
Teeth i length of sporangium, strap-like, reflexed, sinuous 
and twisted when dry, upper half of leaf serrate, 
T. splaclmoides, 2. 
Teeth much shorter, linear, recurved, upper third of leaf 
serrate.T. serrata, 1. 
TETRAPLODON, p. 191. 
Leaves sharply serrate, narrowed to filiform point . T. angustatus, 1. 
Leaves distantly incised-serrate, gradually acuminate . T. australis, 3. 
Leaves entire, more or less abruptly filiform-apiculate. 
Costa sub-excurrent, empty sporangium constricted in 
middle.T. innioides, 2. 
Costa ceasing below point, empty sporangium not con¬ 
stricted in middle.T. urceolatus, 4. 
SPLACHNUM, p. 193. 
Apophysis ovate or subglobose. 
About the size of the sporangium. 
Costa excurrent, apophysis red . . . . S. sphsericum, 2. 
Costa ceasing below apex, apophysis at first green then 
brown.S. Wonnskioldii, 1. 
Greatly exceeding the sporangium ... S. vasculosum, 3. 
Apophysis pyriform, exceeding the sporangium . S. ampullaceum, 4. 
Apophysis campanulate. 
Purple . .S. rubruin, 5. 
Yellow.S. luteum, 6. 
