654 Index to Recent Literature 



Cowell, J. F. David Fisher Day. Bot. Gaz. 30: 347, 348. por- 

 trait. 15 N. 1900. 



Crandall, C. A. The tall green Orchis {Habenaria hyperborea) vis- 

 ited by Mosquitoes. Plant World, 3 : 6, 7. Ja. 1900. 



Crawford, J. Notes on Ophioglossum. Plant World, 3: 154* I 55- 

 O. 1900. ; - 



Crepin, F. Note upon a probable Hybrid of Rosa Carolina L. and 

 Rosa nitida Willd. Rhodora, 2: 112, 113. 21 Je. 1900. 



Creevey, C. A. Plant Juices and their commercial Values. Plant 

 World, 2: 161-165. Jl. 1899; 187-189. Au. 1899; 200-204. S. 

 1899; 3 : 9 -12 - J a - 1900; 26-28. F. 1900; 42-44. Mr. 1900; 

 58-59. Ap. 1900. 



Curtiss, A. H. The Water Hyacinth in Florida. Plant World, 3 : 

 38-40. Mr. 1900. 



Curtiss, A. H. Some nameless Plants. Plant World, 3: 105-107. 

 Jl. 1900. 



Czapek, F. Ueber den Nachweis der geotropischen Sensibilitat der 

 Wurzelspitze. Jahrb. wiss. Bot. 35: 313-365.//. 8. 1900. 



Davis, K. C. A taxonomic Study of North American Ranuncu- 

 laceae, 1-8, 13-18, 21-28. 19 My. 1900. 



Includes descriptions of our species of Crossosoma, Hydrastis, Caltha (2 species 

 new), Trolling Cammarmn, Nigella, Isopymm, Copt is Xanthorrhiza, Anemonopsis, 

 Cimicifuga, Actaea, Hepatica, Syndesmon, Myosurus, Trautvetteria, and Adorns, in- 

 cluding several new varieties. 



Davis, K. C. A synonymic Conspectus of the native and garden 

 Thalictrums of North America. Minn. Bot. Stud. 2: 509-5 2 3- 



World 



15 Au. 1900. 



Davis, K. C. Wild and garden Paeonies in America. Planl 

 3 : 22-25. F. 1900. 



One species American. 



Davis, K. C. Native and Garden Delphiniums of North America. 

 Minn. Bot. Stud. 2 : 431-457. 15 Au. 1900. 



Delphinium Treleasei Bush, new species. D. bicolor Nelsoni, D. bicolor cognation, 

 Z>. bicolor glareosum, Z>. decorum gracilentum, D. hesperium recurvatum, D. varie- 

 gatum Blochmanae, D. variegation Emiliae, D. Geyeri Wootoni y D. Geyeri geranifo- 

 Hum, D. camporum Penardi^ Z>. camporum macroseratilis, D. scopulorum diversifo- 

 hum and D. Nutallii leucophaeum, species reduced to varieties. 



Davis, K. C. Native and cultivated Ranunculi of North America 

 and segregated Genera. Minn. Bot. Stud. 2: 459-507- x 5 ^ u * 



1900 



McCallai 



