Western United States. 



813 



8000 gi 



Osterhout. 67416. Carduus. 67417 : 

 Two lu'w sp 'cies from Colorado. 67418 : 

 Senecio lanatifolius Osterhout. 



Ramaley. 67884. Northern Colorado 

 plant communities. Boulder park 

 (ToUand, Colorado). 678S5 : Wild 

 flowers and trees. 



Seaver. 68510. Colorado fungi — 1. 

 Discomycetes. 



Soth. 68677. The Arctic-Alpine 

 flora of Pike's Peak. 68678: Poten- 

 tillae of the Arctic- Alpine zone on 

 Pike's peak. 68679 : List of plants 

 collected above timber line on Pike's 

 Peak, with altitudinal extensions. 



Iowa. 



Buchanan. 63.552. Morphology of the 

 genus Cephalosporium, with description 

 of a new species and a variety. 



Greene. 65063. Plants of Iowa. 



Hayden. 65348. Ecological study of 

 a ijrairie province in central Iowa. 



Lindly. 66482. Flowers of Story 

 county. 



Macbride. 66728. Iowa sapro- 

 phytes. 



Pammel. 67456. Some fungus 

 diseases of trees. 



Ball and Scribner. 67457. 



The grasses of Iowa. 



Seaver. 68509. Discomycetes. 



Warburton. 69352. Ergot on oats. 



Kansas. 



Garrett. 64825. Uredineae of 

 Bourbon county. 



Smyth and Smyth. 68640. Catalogue 

 of thu flora of Kansas. 



Louisiana. 



Cocks. 63810. The flora of the Gulf 

 biologic station. 



Minnesota. 



Freeman. 64714. Minnesota plant 

 diseases [due to plants]. 



Tilden. 68998. Minnesota algae. 



Missouri. 

 Bush. 63599. Rhexias. 



Hayden. 65347. Algal flora of the 

 Missouri botanical garden. 

 (m-13414) 



Moyer. 67157. Prairie flora of south- 

 western Jlinnesota. 67158 : Prairie 

 legumes of western Minnesota. 



Rosendahl and Butters. 68099. Ferns 

 and fern aliies of Minnesota. 



Sargent. 68237. Crataegus. 



Nebraska. 



Barbour. 62982. Newly discovered 

 bed of Miocene diatoms. 



Heald. 65355. A species of Discosia 

 on living bull pine seedlings. 



Pepperberg. 67599. Carboniferous 

 flora of Nebraska. 



Pool. 67749. The Erysiphaoeae of 

 Nebraska. 



Nevada. 



Heller. 65405. Ruby mountains. 



Herre. 65460. Desert lichens of 

 Reno, Nevada. 



Kennedy. 65950. A new species of 

 Phlox. 



New Mexico. 

 Greene. 65040. New Astragali. 



North Dakota. 



Brannon. 03455. Factors influencing 

 the flora of Devils Lak'', North Dakota. 



Oregon. 



GriflSn. 65079. A bacterial gummosis 

 of cherries. 



Sweetser and Kent. 68874. Key and 

 flora : some of the common flowers of 

 Oregon. 



Texas. 



Chase. 63707. Genera of Paniceae. 



Heald and Wolf. 65356. List of 

 parasitic bacteria and fungi occurring 

 in Texas. 65357 : New species of Texas 

 fungi. 



Long. 66648. Phalloideae of Texas. 



Mackensen. 66754. Two new species 



of Opuntia. 



Trelease. 63066. An additional tree- 

 yucca and one other species new to the 

 United States. 



Washington. 



Foster. 64676. Cnkile californica. 

 64677 : Mountains of Washington. 



3o 



