H. J. Webber — 



PROTOPHYTA. 



1. RETJCULARIACE^E. 



1. RETICULARIA Bull. 



1. R. lycoperdon Bull. On decayiug trunks of trees. Pine Ridge, 



Dawes Co., July (Webber). 



2. CLATHROPTYCHIACEiE. 



2. ENTERIDIUM Ehr. 



2. E. rozeanum (Rost.) Wingate. (Belicularia [?] rozeana Rost.). 



Lincoln (Webber). 



3. STEMONITACE^. 



3. STEMONIT1S Gled. 



3. S. webberi Rex. (N. sp. in lit. Published in Pro. Acad. Nat. 



Sci. of Phila., 1891) . On old stump, Lincoln, September (Webber) . 



4. PHYSARACE^E. 



4. PUYSARUM Pers. 



4. P. lividum Rost. (Spumaria Ucheniformis Schw.) On bark of 



tree, Lincoln (Webber). 



5. P. petersii B. and C. On bark of old Cottonwood and Boxelder 



trees, Weeping Water (Williams). 



5. BACTERIACE.E. 



5. BACILLUS Conn. 



6. B. sorghi Burrill. On leaves and culms of Bushy blue stem 



(Andropogon nutans), Lincoln; Johnson grass (Andropog on sorghum 

 var. halepensis), Howard Co.; and on numerous varieties of 

 Sorghum grown on the Nebraska Experimental Farm at Lincoln. 

 Quite destructive, forming large irregular purple patches 

 (Webber). 



6. NOSTOCACEiE. 



6. GLCEOTRICHIA Ag. 



7. G. natans Taur. Floating in stagnant water. Greenwood, July 



(Williams). Minden, attached to Nitella stems (Bessey). 



7. LYNGBYA Ag. and Thur. 



8. L. cincinnata Kg. Minden. la material collected by Dr. Hape- 



man (Bessey). 



8. CYLINDROSPERMUM Kg. 



9. C. comatum Wood. Minden (Haperaan). 



