248 F Hock: Pflanzengeographie. 



1006 f. Panimel, L. H. Preliminary notes on the flora of western Jowa, 

 especially from the physiographical ecological standpoint. (Proc. Jowa Acade- 

 my Sei., 9, 1902, p. 152—180.) 



1006g. Fitzpatrick, T. J. and M. F. L. The Scrophulariaceae of Jowa. 

 (Eb., 10, 1903, p. 136—176.) 



1006 h. Panimel, L. H. Sorae ecological notes on the Vegetation of the 

 Umtah mountains. (Eb., p. 57 — 68.) 



1006 i. Pammel, L. H. Some weeds of Jowa. (Bull., 70, Expt. Stat., 

 Jowa, State College, 1903, p. 297—531.) 



1006k. Mackenzie, K. K. Manual of the Flora of Jackson County, Mis- 

 souri. (New York, 1903, XIX und 242 p., 8».) 



c) Pazifischer Bezirk, b. 1007-1031. 



Vgl. auch B. 258 (Tabakbau), 328 (Kautschuk v. Colorado), 4C5 (Philadelphas 



californicus). 

 1007. Bessey, C. E. Distribution of forest trees on the Nebraska plains. 

 (The Atlantic Slope Naturalist, I, 1903, p. 21.) 



1007 a. Bessey, C. E. Notes on the poisounois plants of Nebraska. (Proc. 

 Soc. Prom. Agric. Sei., 23, 1902, p. 34-41.) 



10C8. (iould, C. X. Notes on trees, shrubs and vines in the Cherokee 



Nation. (Transactions of the Kansas Academy of Science, 18, 1903, p. 145 

 bis 146.) 



1009. Nelson, A. Two new plants from New Mexico. (Proceedings of 

 the Biological Society of Washington, XVI, 1903, p. 29—30.) N. A. 



1009a. Nelson, A. and Cockerell, T. D. A. Three new plants from New 

 Mexico. (Eb., p. 46—46.) N. A. 



Vgl. Bot. C, 92. 1903, S. 606. 



1009 b. Cockerell, T. D. A. A new Cocklebur from New Mexico. (Pro- 

 ceedings of the Biol. Soc. of Washington, XVI, 1903, p. 9—10.) N. A. 



Xanthium commune var. 



1009 c. Nelson, A. Psilostrophe, a neglected genus of Southwestern Plants. 

 (Proceedings of the Biological Society of Washington, vol. XVI, 1903, p. 19 

 bis 24.) N. A. 



Sammlungen aus Utah und Nevada warfen neues Licht auf die Gattung 

 Psilostrophe (Riddellia), von der ausser neuen und neu benannten folgende 

 Arten bekannt sind: 



P. cooperi (Nevada, Arizona, Utah), gnaphaloides (Texas), tagetina (Neu- 

 Mexiko, Arizona, Texas.) 



1009d. Nelson, A. The Genus Hedysarum in the Rocky Mountains. 

 (Proceedings of the Biological Society of Washington, XV, 1902. p. 183—186.) 



N A. 



Ausser neuen Arten sind folgende IT-Arten aus dem Felsen gebirge 

 bekannt : 



H. americaniun, boreale, cinerascens, laneifolium, marginatum, mackerizii und 

 sulphurescens. 



1009 e. Nelson, A. and E. The wheat grasses of Wj^oming. (Bulletin 59, 

 Wyoming, Exp. Stat., 1903.) 



1010. Griffiths, D. Range improvements in Arizona. (U. S. Dept. of 

 Agriculture. Bureau of Plant Industry, Bull. No. 4.) 



