Western United States, 



812 



8000 gi 



Howe. 65657. Effect of moisture 

 on the growth of Usneas. 



Karsten. 65906. Kalifornische 

 Coniferen. 



Kennedy. 65949. Alpine plants. 



Knowlton. 66017. Two new fossil 

 figs from Wyoming and Montana. 



Pammel. 67455; Rydberg, 68183. 

 Rocky mountains. 



Shimek. 68560. The prairies. 



Standley and Blumer. 68726. A new 

 Castilleja from the southern Rocky 

 mountains. 



Trelease. 69060. The desert group 

 Nolineae. 69064 : Re\dsion of the 

 agaves of the group Applanatae. 



Arizona. 



Blumer. 63303. A comparison 

 between two mountain sides. 63308 : 

 Change of aspect with altitude. 



Greene. 05033. New plants. 65053 : 

 Mulberries. 



Shreve. 6S566. Establishment 

 behavior of the Palo verde. 



Thornber. 68992. Plant acclima- 

 tisation in southern Arizona. 



California. 



Broadhurst. 63506. Eucalyptus 

 trees. 



Campbell. 63021. Green algae. 



Coker. 63817. Yosemite. Big 

 trees. 



Gardner. 64819. Leuvcnia, a new 

 genus of flagellates. 64820 : Variations 

 in nuclear extrusion among the Fuca- 

 ceae. 



Greene. 65034. New Californian As- 

 teraceae. 65041 : The genus Doiimin- 

 (jia. 65046 : Two new lupines. 65059 : 

 Two Californian columbines. 65061 : 

 The genus Saviniona. 



Hall. 65246. Additional southern 

 Californian Compositae. 



Hannibal. 65275. A Pliocene flora 

 from the coast ranges of California. 



Hasse. 65331. Lichen- flora of 

 southern California. 



Heller. 65399. California. 65402 : 

 The coast live oak. 65403 : The grey 

 pine. 65404 : Seedlings of Lupinus 

 Tides tromii. 



Herre. 65459. Origin of California's 

 lichen flora. 



Hoffman. 65560. Fructification of 

 Maciocystis. 



Jepson. 65815. A flora of California. 

 Pinaceae to Taxaceae. 



Kennedy. 65947. Trifolmm longipes 

 Nutt. 



Kingman. 65973. Southern Cali- 

 fornia ferns. 65974 : Hepaticae of 

 southern California. 



Macbride. 66729. A new genus of 

 Myxomycetes. 



McFadden. 66744. Nature of the 

 carpostomes in the cystocarp of Ahn- 

 fddtia gigartmoides. 66745 : Cola- 

 codasya from southern California. 



Moxley. 67156. Some southern 

 California ferns. 



O'Gara. 67390. Mistletoe (Phora- 

 dendron flavescens) on Pru7ms Simoni. 



Parish. 67498. Additions and emen- 

 dations [to study of the southern 

 California trees and shrubs, by Abrams.] 



Pember. 67587. Fern collecting in 

 southern California. 



Setchell. 68536. The genus Sphaero- 

 soma. 



Smith. 68616. Annual lupines of the 

 Micranthus group. 68617 : Fruit of 

 Lupinus Tidestromii Greene. 



Twiss. 69126. Erythrophyllum 

 delesserioides J. Ag. 



Wilson. 69492. Gmcilariophila, a 

 n3w parasite on Gracilaria confer- 

 voides. 



Colorado. 



Bibliography of papers dealing with 

 the geology and natural history of 

 northwestern Colorado. Boulder Univ. 

 Colo. Stud. 7 1910 (151-153). 



Bethel. 63232. Gymnospomngium. 



Cary. 63664. Biological survey. 



Cockerell. 63804. A new variety of 

 the sunflower. 63805 : Magnolia at 

 Florissant. 63806 : Sambucus. 63807 : 

 A fossil fig. 63808 : Fossil flowers and 

 fruits. 



Daniels. 04003. Flora of Boulder. 



Kern. 65951. A notable species of 

 Gymnosporangium. 



