Aspidium thelypteris (L. ) Sw. 



Wet valleys at the head of the North Loup, July 19; falls of 

 the North Loup, July 22. (278) 

 Onoclea sensibilis L. 



With the preceding (277) 

 Cysfopteris fragilis (L. ) Bernh. 



Canons, Long Pine, July 29. (270) 

 Marchantia polymorpha L. 



Banks of tne North Loup at the falls, July 22. (274) 

 Chara fragilis Desv. 



In small lake. Cherry county, July 19. (262) 

 Chara contraria A. Br. 



Ponds in wet valleys. Cherry county, July 17, 18. (263) 



* Chara foetida A. Br. var. longihradeata A. Br. 



Ponds in wet valleys, Sheridan county, July 12, 13. (264) 

 Chara coronata A. Br. 



In a small lake, Cherry county, July 18. (265) 

 Simblum rubescens Q-errard. 



Sand hills. Cherry county, July 15. (273) 

 Aecidium compositarum Mart. var. helianthi Burrill. 



On Helianthus rigidus, Cherry county, July 19. (3) 

 Aecidium compositarum Mart. var. lygodesmiae Webber. 



On Lygodesmia jimcea, Sheridan county, July 9. (12) 

 Aecidium compositarum Mart. var. liatridis Webber. 



On Laciniaria squarrosa var. intermedia, Sheridan county, 

 July 13. (6) 

 Aecidium jamesianum Pk. 



On Asclepias speciosa, Cherry county, July 19. (7) On 

 Asclepias arenaria, Cherry county, July 15. (9) 



* Aecidium chenopodii-fruticosi DC. 



On Chenopodium leplophyllum, Sheridan .county, July 9. 

 (Does not entirely agree with Ae. ellisii Tracy & Grail. 

 It agrees well with specimens of Ae. chenopodii-fruti- 

 cosi in Mycotlieca Universalis No. 1028. Ae. ellisii and Ae. 

 chenopodii-fruticosi are not very unlike. P.) 



