Western United States. 



774 



8000 oi 



gl Western United States. 



Griffith. 78431. Eiiiige iicue Opun- 

 tioideen. (tJbers.) 



Jamieson and Wollenweber. 79015. 

 An external dry rot of jjotato tubers 

 caused by Fusarium trichotkecioides 

 Wolienw. 



Kunze. 79395. Echinocactus Wis- 

 Ihetii Engel. and Echinocactus Lecontei 

 Engel. 



Mackenzie. 79836. Western allies of 

 Carex 'pennsylva nica. 



Mason. 799.55. Pubescent-fruited 

 species of Prunus of the south-western 

 states. 



Murrill. 80273. Collecting fungi on 

 the Pacific coast. 



Piper. 80715. American species of 

 Festuca. 80716 : Delphinium simplex 

 and its immediate allies. 80717 : Iden- 

 tity of Heuchera cylindrica. 80718 : 

 New or noteworthy species of Pacific 

 coast plants. 



Quehl. 80908. Mamillaria cirida 

 Rose n. sp. 



Rigg, 81055. Distribution of Mac- 

 rocystis pyrifera along the American 

 shore of the Strait of Jaim de Fuca. 



Rose. 81121. Exploration in the 

 south-western states and west coast of 

 Mexico. 81123: Populus Macdou- 

 gain : A new tree from the south- 

 west. 



Schindler. 81350. Lespedeza Michx. 

 und ihrc niichsten Verwandten. 



Small. 81595. Flora of the south- 

 eastern United States. 



Smith, Brown and Townsend. 81608. 

 Crown-gall of plants. 



Arizona. 



Blumer. 76955. Phytogeography of 

 the Arizona desert. 76956 : Ein Vege- 

 tationsbild aus Arizona im Sommer. 



Clute. 77453. Ferriss. 78044. The 

 distribution of Asple7iium alternans. 



Sterling. 81747. Krameria canescens 

 Gray. 



California. 



Babcock. 76599. A new variety of 

 fjuijlans calif ornica Watson. 



Clausen. 77438. A new fungus con- 

 cerned in wither tip of varieties of 

 Citrus Medica. 



Davidson. 77658. A new Frasera. 

 77659 : Another mustard pest. [Bras- 

 sica adpressa in Calif oi'nia.] 



Hasse. 78635. The lichen flora of 

 southern California. 



Herre. 78735. Lichen flora of the 

 Santa Cruz peninsula, California. 



Kimball. 79170. Ferns of San Diego 

 county, California. 



Knowlton. 79221. Flora of the auri- 

 ferous gravels of California. 



Lindgren. 79645. Tertiary gravels 

 of the Sierra Nevada of California. 



McCoy and Chapin. 79823. Bacterium 

 tularense. 



Pember. 80613. The Colorado desert 

 for ferns. 



Smith. 81625. Walnut culture in 

 California. 



Tracy. 82006. The Yosemite. 



:/' 



Hewitt. 



Arkansas. 

 78758. Rice blisht. 



Colorado. 



Clute. 77451. Asplenium Andrewsii. 



Cockerell. 77477. Fossil flowers and 

 fruits. 77478 : Plants from the vicinity 

 of Longs Peak inn, Colorado. 



Seaver. 81492. Collecting fungi in 

 Colorado. 



Sturgis. 81812. The Myxomycetes 

 of Colorado. 



Idaho. 



Fedde. 78014. Zwei Arten von 

 Corydalis aus Idaho. 



Weir. 82343. A Botrylis on conifers 

 in the northwest. 



Iowa. 



Bakke. 76643. Late blight of barley 

 {Ilelminthosporium teres Sacc). 



Conard. 77512. Simblum sphaero- 

 cepltalum in Iowa. 77514 : Ferns and 

 liverworts of Grinnell [Iowa] and 

 vicinity. 77515 : Sccotium agaricoides, 

 a stalked pufl'ball. 



