TWENTT-SEVENTE ANNUAL MEETING. 175 



BRYUM, p. 223. 



Upper leaf cells rhombic to hexagonal; plants not from stolons. 



Cilia 0, or if any inappendiculate § I. Cladodium. 



Cilia 2-4, appendiculate § II- Eubryum. 



Plants from stolons § III. Rhodobryum. 



§ I. Cladobryum. 



Synoecious or heteroecious, costa long excui-rent ; endostome 

 attached to peristome ; spores smooth, about 

 30 mmm B. pendulum Sch. 4 



§ II. Eubryum. 



A. Synoecious. 



Costa long excurrent; endostome attached to peristome; sjjores 



smooth, about 30 mmm x B. bimum Schreb. 14 



B. Dioecious. 



Leaves ijointed: costa percurrent or excvirrent; capsule longer 

 (1-3 + ), tapering at base, yellowish brown, 

 slightly constricted below mouth; leaf margins 

 revolute, serrate at apex. . x B. pseudotriquetrum Schwaegr. 38 



Leaves pointed; costa vanishing, silvery; plants small; leaves 

 closely appressed. imbricate; capsule purple, 

 pendent * B. argenteum Linn. 29 



Costa excurrent; leaves long cuspidate; capsule long (1-3); 

 leaves erect and straight when dry; collum one- 

 half the sporangium * B. caespiticium Linn. 30 



§ III. Rhodobryum. 



Costa excvirrent; margin revolute % to 3| length; collum one-half sporangium, 



curved B. ontariense Kindb. 



*B. pendvilum (Smyth's Check List); Pottawatomie (M. Reed). B. bimum 

 Saline (Henry); Shawnee (Cragin). x B. pseudotriquetrum, 

 Saline (Henry); Southeast Kansas (Smyth's Check List). B. 

 argenteum, Shawnee (Fieldsj; Wilson (Cragin); Saline, sterile 

 (Henry); Wyandotte, Riley, Pottawatomie and Anderson coun- 

 ties (M. Reed); Franklin (Meeker). * B. caespiticium. Saline 

 (Henry); Riley, Pottawatomie and Wyandotte counties (M. 

 Reed). B. ontariense. Saline, sterile (Henry), Torr. Bull., 

 XVI, p. 96. 



MNIUM, p. 241. 



Leaves serrate; teeth of leaves single; stems simple or branched; 

 not dendroid; basilar branches stoloniform. 

 Leaves acuminate, serrate to middle: lid convex, or mamillate; 



membrane of endostome lacunose, * Mnium cuspidatum Hedw.l 



Leaves acuminate, serrate to base; lid mammiform x M. affine Bland 7 



Stems slender; leaves pale-margined; capsule shorter and 



solitary M. affine, var. elatum B. & S. 



* M. cuspidatum, Shawnee (Cragin, Smyth and others); Wabaunsee ( Bald- 

 win); Brown (Becker); Labette (Newlon); Wyandotte (Bennett 

 and Reed); Riley, Pottawatomie and Anderson (M. Reed ); Atch- 

 ison (E. B. Knerr). Very common in the eastern half of the state. 



