20 H. J. Webber — 



42. CLAVARIE.E. 



102. PTERULA Fr. 



147. P. multifida Fr. On decaying leaves at bases of trees in heavy- 

 timber, rare. Wabash (Williams). 



43. TREMELLINE.E. 



103. GUEPINAFr. 



148. G. spathularia (Schw.) Fr. On old boards, R. R. ties, etc., com- 

 mon. Weeping Water and Ashland (Williams). Lincoln (Webber). 



i4. CHAREiE. 



104. CHAR A (Vaill.) Leonh. 



149. C. coxtraria A. Br. Flowing or standing water and cold 

 springy lakes. Fremont, July (Williams'). 



150. C. fragilis, Desv. In ponds. Greeley Center, Greenwood^ 

 Fremont (Williams). 



105. NITELLA Ag. 



151. N. acuminata A. Br. var. glomerata A. Br. Ponds near Lin- 

 coln (Bessey). 



152. N. flexilis Ag. Ponds near Minden. In material collected by 

 Dr. Hapeman (Bessey). 



153. N. mucroxata A. Br. Ponds near Minden. In material col- 

 lected by Dr. Hapeman (Bessey). 



BRYOPHYTA. 

 45. BRYACEJE. 



106. GYMNOSTOMUM Hedw. 



154. G. rupestre Schwasgr. (Mollia aeruginosa (Sm.) Lindb.). On 

 damp overhanging stone cliff. Pine Ridge, July 25 (Webber). 



107. DICRANELLASchimp. 



155. D. varia Schimp. On wet clayey soil, banks of the Mo. River. 

 Peru, March (Webber). 



108. DESMATODON Brid. 



156. D. arexaceus Sulliv. & Lesq. On ground. Collected by Mr. 

 Brunner at Ashland, May (Webber). 



157. D. xervosus. Bruch. & Schimp. var edextulus Bruch. & 

 Schimp. Abundant on stone. Peru, March (Webber). 



109. BARBULA. Hedwig. 



« 



158. B. ruralis Hedw. Pine Ridge, Aug. 3 (Webber). 



