208 



BULLETIN OP THE UNIVERSITY OP WISCONSIN. 



Seta longer (1.5 cm.), plants 1-2 cm. high, capsule often 



inclined, orange . , " . '. .. ' D. Froelichianus, 190. 

 Seta longer (3-4 cm.), plants 4-12 cm., capsule erect, 



orange D. splachnoides, 190. 



TAYLORIA, p. 190. 



Teeth cleft along the middle line or split to the base. 

 Columella long exserted, lid long conic 



T. splachnoides, 191. 



Columella scarcely exserted, lid suddenly obliquely 



beaked 



Teeth neither cleft nor split but sometimes lacunose. 

 Columella scarcely exserted, rhizoids with gemmae 

 Columella long exserted, rhizoids without gemmae 



T. acnminata, 243. 



T. serrata, 191 . 

 T. tennis, 191. 



TETRAPLODON, p. 191. 



Leaves sharply serrate, narrowed to filiform point T. angnstatus, 192. 



Leaves distantly incised-serrate, gradually acuminate 

 Leaves entire, more or less abruptly filiform-apiculate. 

 Costa sub-excurrent, empty sporangium constricted 



in middle 



Costa ceasing below point, empty sporangium not 

 constricted in middle ..... 



T. australis, 192. 



T. mnioides, 192. 

 T. urceolatus, 193. 



SPLACHNUM, p. 193. 



Apophysis ovate or subglobose. 

 About the size of the sporangium. 

 Costa excurrent, apophysis red 

 Costa ceasing below apex, apophysis at first green 

 then brown . . . . . S. 



Greatly exceeding the sporangium 

 Apophysis pyriform, exceeding the sporangium S. 

 Apophysis campanulate. 



Purple . 



Yellow 



S. sphaericum, 194. 



Wormskioldii, 194. 

 S. vasculosum, 194. 

 ampnllaceum, 194. 



S. rnbrnm, 195. 

 S. Inteum, 1 195. 



i See also Appendix, no. 254. 



