468 Index to American botanical literature 



Cockerell, T. D. A. Florissant : a Miocene Pompeii. Pop. Sci. Mo. 



73: 112-126. Jl 1908. [Illust.] 

 Cogniaux, A. Melastomaceae peruvianas Bot. Jahrb. 42 : 1 31-148. 



Jl 28 1908. 



Many new species described. 



Cogniaux, A. Cucurbitaceae peruvianas Bot. Jahrb. 42: 173, 174- 

 28 Jl 1908. 



Guraniopsis longipedicellata gen. et sp. nov. 



Conard, H. S. Homology of tissues in ferns. Pro. Iowa Acad. Sci. 



14: 85-87. [Au 1908.] 

 Coulter, J. M. The embryo sac and embryo of Gnetuvi Gnetnon. 



Bot. Gaz. 46: 43-49- pl- 7- 2 3 J 1 I( 

 ishman, J. A. A synopsis of the New 

 terias. Rhodora 10 : 97-1 11. 15 Jl 



New varieties and new combinations published. 



Micros 



ivis, B. M. Polar organization of plant cells. Am. Nat. 42 : 5 0l ~ 

 504. [Au] 1908. 



ldgeon, W. A study of the variation of the number of ray flowers of 

 certain Compositae. Proc. Iowa Acad. Sci. 14 : 89-106. [* 



u 



Bot. 



1908.] [Illust.] 

 Durand, E. J. The development of the sexual organs and sporogonium 

 in Marchantia polymorphs Bull. Torrey Club 35 : 3 2I_ 335- P l 2l ~ 

 25. 30 Jl 1908. 



Gates, R. R. A study of reduction in Oenothera rubrinervis. 



Gaz. 46: 1-34. pl. i-j. 23 Jl 1908. 

 Gilg, E. Marcgraviaceae Americae tropicae. Bot. Jahrb. 42: * 2 4 



128. 28 Jl 1908. 



New species Marcgravia (3), Norantea (5), and Souronbea. 



Gow, J. E. Studies in karyokinesis. Proc. Iowa Acad. Sci. 14 : I0 > 



Jl 



3. /. 1-46. [Au 1908.] 



J. E. Studies in Araceae. Bot. Gaz. 46: 35-4 2 - //. 4~ 6 - 



n 



Gtirke, M. Pilocereus Schottii (Engelm.) Lem. Monats. Kakteeo • 

 18: 99, 100. 15 Jl 1908. [Illust.] 



Harms, H. Legumbwsae andinae. Bot. Jahrb. 42: 88-97- 2 

 1908. 



10 new species and the new genus Fitbrigiella. - 



Harms, H. Passifloracea peruviana. Bot. Jahrb. 4 2 : J 3 ' I ^ 1 ' 

 Jl 1908. 



P. macrochlamys sp. nov. 



