648 Index to American botanical literature 



Dunn, H. A. Testing seed corn by specific gravity. Proc. Indiana 



Acad. Sci. 1908: 103-105. 1909. 

 Eggleston, W. W. The Crataegi of Mexico and Central America. 



Bull. Torrey Club 36: 501-514. i O 1909. 



Includes 4 new species and two new varieties. 



Fedde, F, Vier neue Formen von Papaver nudicauk aus dem pazifi- 

 schen Gebiete- Repert. Nov, Spec, 7: 255-257.. 20 S 1909. 



Three new varieties from Pacific North America. 



Fiebrig, K. Cecropia peltata und ihr Verhaltnis zu Azteca Alfari, zu 

 Attn sexdcfis und anderen Insekten ; mit einer Notiz uber Ameisen- 

 Dornen bei Acacia Caventa, Ein kritischer Beitrag zur Ameisen- 

 pflanzen-Hypothese. Biol. Centralb, 29: 1-16. i Jai909; 33- 

 55- ^5 Ja 1909; 65-77. //. 7-5. I F 1909, 



Fischer, E. Diagnosen einiger Fungi hypogaei aus Californien. Repert. 

 Nov. Spec. 7: 193, 194. 15 Au 1909. 



Includes Hydnoholites C'}lifornicus sp. nov. 



[Gibson, H. H.] American forest trees — 80. Paper birch, Beiiila 



papyrifera Marsh, Hardwood Record 28'^: 18, 19- 10 O 1909. 



[Ilhist.] 



Heller, A. A. The beard-tongue. Muhlenbergia 5: 117-119. 3*^ 

 S 1909. [Illust.] 



Pentstemon sp, 



Herter, W. Ibatia Arechavahtae Herter nov. spec. Aschpiadacea- 

 mm, Allgem. Bot. Zeits. 15 : 129. S 1909. 



Hessler, R. Notes on the flora of Cass County. Proc. Indiana Acad. 

 Sci, 1908: 107-109. 1909. 



+ 



Johnson, A. G. On the heteroecious plant rusts of Indiana. Proc. 

 Indiana Acad. Sci. 1908: 87-94. 1909. 



Kneucker, A. Bemerkungen zu den '^ Graraineae exsiccatae.*' All- 

 gem. Bot. Zeits. 15: 137-145. S 1909. 



Leavitt,R.G. The genus Eria in the Philippine Islands, Philippine 

 Jour. Sci. 4: Bot. 2^1-245. /• ^-^^^ AU1909. 



Lingelsheim, A., Pax, F., & Winkler, H. Plantae novae bolivianae. 



II. Repert. Nov. Spec. 7: 107-114. 20 My 1909; IIL Repert. 

 Nov. Spec. 7 : 241-251. 20 S 1909. 



Includes 21 new species of spermatophyies. 



Lloyd, F. E. Overlapping habitats. Plant World 12 : 73-78. / /. 

 Ap 1909. 



MacDougal, D. T. Darwinism and experimentation in botany. Plant 

 World 12: 97-101. My 1909 ; 121-127. Je 1909. 



