198 



BULLETIN OF THE UNIVERSITY OP WISCONSIN. 



§11. Gasterogrimmia. 



Peristome wanting, lamina bistratose near apex 

 Peristome present, lamina unistratose throughout 



Q. anodon, 138. 

 G. plagiopoda, 138. 



§111. Eugrimmia. 



Capsule costate when dry. 

 Leaves homomallous-falcate when dry . . , G. hamulosa, 139. 

 Leaves spirally twisted on stem when dry . . Gr. torquata, 140. 

 Leaves incurved-cirrhate when dry . . . . G. contorts, 139. 

 Leaves imbricate or slightly twisted when dry, hair pointed. 

 Lamina of one layer of cells . . . . G. pachyphylla, 181. 

 Lamina 2-4-stratose in the upper part or at the margin. 



Hair point rough G. Muhlenbeckii, 140. 



Hair point smooth. 

 Annulus simple, monoicous . . , G. pulrinata, 138. 



Annulus compound (3^), dioicous. 

 Costa narrow, capsule 8-striate or costate. 



Lid short . . . . . 

 Lid long, straight 

 Costa strong, capsule 10-striate 

 Capsule not costate (or obscurely) when dry. 

 Leaves falcate-reflexed when moist 

 Leaves not refiexed. 

 Margin plane, capsule elliptic, coUum none 



[Gf. Mtihlenhechli may be sought here.] 



G. funalis, 179. 



G. trichophylla, 141. 



G. elatior, 172. 



G. Watsoni, 141. 



G. Olneyi, 142. 



Margin reflexed. 

 Leaves gemmiferous, capsule oval-oblong. 

 Teeth papillose, leaf cells at base scarcely 



sinuous 



G. Philbertiana, 171. 



Teeth smooth, leaf cells at base strongly 



sinuous 

 Leaves not gemmiferous. 

 Open, erect, lanceolate 

 Arcuate, ovate-lanceolate 



G. Hartmanii, 174' 



G. Californica, 142. 

 . G. depilata, 175. 



Only incomplete descriptions of the following species can be obtained 

 and they are therefore not included in the key: OG. arcuatifoUa Kindb., 

 Arizonce Ren. & Card., i^roUfera C. M. & Kindb., tortifoUa Kindb., and 

 Hendersonii Ren. & Card. See descriptions in Appendix, nos. 173, 176, 

 177, 178, 180. 



