TWENTY-SEVENTH ANNUAL MEETING. 177 



Not cleft; leaves acute * L. polycarpa Ehr. 1 



Endostome a short undivided membrane x L. Austini Sulliv. 6 



II. Costa very short or none. 

 Leaf -cells rhombic. 



Leaves of primary stem acute * L. pulvinata Wahl. 7 



*L. obscura, specimen scant; unable to determine positively; leaves not 

 papillose; if L. obscura, it is probably a variety. Pottawatomie 

 and Riley (Reed); Saline (Henry). xL. Austini, Saline (Henry). 

 *L. polycarpa, Clay (Cragin); Shawnee, Brown (Becker); Wy- 

 andotte and Bourbon (Bennett); Pottawatomie, Riley and An- 

 derson (M. Reed). This is a very common species; but varies 

 considerably. * L. pulvinata ? differs from the type form con- 

 siderably; it may be a new species or variety; collected in Potta- 

 watomie and Riley counties by M. Reed. 



ANOMODON, p. 304. 



Leaves papillose; base not auricled, filiform-acuminate. .*A. rostratus Schimp. 1 



Leaves obtuse or apiculate; branches attenuate *A. attenuatus Hartm. 2 



Branches not attenuate; leaves open, erect; teeth nodose. . . 



*A. obtusifolius B. & S. 3 

 * A. rostratus, Wabaunsee (Baldwin); Wilson (Cragin); Franklin (Meeker 

 Riley, Pottawatomie, Anderson, and Wyandotte (M. Reed 

 Saline, sterile (Henry). *A. attenuatus, Wyandotte ( Bennett 

 Riley (M. Reed). *A. obtusifolivis, Shawnee (Fields); Brown 

 (Becker); Saline (Henry); Wyandotte (Reed); common. 



PYLAISIA, p. 308. 



Segments half adherent to teeth; spores 19-20 mmm. 



Leaves long-acuminate; margin not recurved x P. intricata B. & S. 4 



Leaves short-acuminate; margins recurved * P. Selwyni ? Kindb. 



Segments wholly adherent; spores 28 mmm * P. velutina B. & S. 5 



x P. intricata, Jefferson (Cragin); Saline (Henry). P. Selwyni ? Kindberg 

 (Ottawa Naturalist, II, 1889, p. 156); Riley (M. Reed). Could 

 not be sure of this species, as it differed somewhat from the 

 manual description; it may be a variety P. velutina, Riley 

 (Reed). 



CTLINDROTHECIUM, p. 310. 

 Capsule solitary. 

 Leaves acuminate-apiculate; teeth with 14-17 articulations; 



capsule 1:3.5-4 x C. cladorrhizans Sch. 1 



Leaves abruptly short-apiculate; teeth with 6-8 articula- 

 tions; capsule 1: 5-5.5 C. seductrix Sulliv. 2 



Leaves not apiculate; teeth with 22-2G articulations; cap- 

 sule 1: 2.5-3 * C. compressum B. & S. 5 



Distinctly serrulate; all basal cells rectangular; annulus large; 



teeth vertically striolate * C. Sulhvantii Sulliv. ? 7 



C. cladorrhizans. Saline ( Henry), with a form much resembling C. brevise- 

 tum by its stems and branches less compressed, and pedicel 

 shorter, C. seductrix, Shawnee (Cragin and Becker); Wabaun- 

 see (Baldwin); Brown (Becker). * C. compressum, Saline 

 —12 



