Index to Recent Literature 569 





Bryolo- 



Rothrock, J. T. Poverty Pine, Table Mountain Pine, Prickly Pine 

 (Pinus pungens Michx. f.). Forest Leaves, 7 : 120. pi. Ap. 1900. 



Rowlee, W. W. North American Willows. Bull. Torr. Club, 27 : 

 247—257. pi. 9. My. 1900. 



Schrenk, H. von. A severe Sleet-Storm. Trans. Acad. Sci. St. 

 . Louis, 10: 143-160.//. 70, 11. 12 Ap. 1900. 



Sellards, E. H. Note on the Permian Flora of Kansas. Kans. 

 Univ. Quart. Ser. A. g : 63, 64. Ja. 1900. 



Scott, D. H. & Hill, T. G. The Structure of ftoetes Hystrix. Ann. 

 Bot. 14: 413-453.//. 23-24. S. 1900. 



Shear, C. L. Our Puff balls.— III. Asa Gray Bull. 8 : 49~53- pl-3- 

 Je. 1900. 



Shove, R. F. On the Structure of the Stem of Angiopteris evecta. 

 Ann. Bot. 14: 497-525.//. 28, 2p. S. 1900. 



Small, J. K. Notes and Descriptions of North American Plants. — 

 II. Bull. Torr. Club, 27 : 275-281. My. 1900. 



Smith, A. M. Fissidens in Northeastern North America, 

 gist, 3: 25-27. Jl. 1900. [Illust.] 



Thomas, E. N. Double Fertilization in a Dicotyledon — Caltha 

 palustris. Ann. Bot. 14: 527-535. //. 30. S. 1900. 



Timberlake, H. G. The Development and Function of the Cell 



Plate in higher Plants. Bot. Gaz. 30: 73-99- P L 8 > 9- *5 Au - 

 1900; 30: 154-170. 15 S. 1900. 



Tourney, J. W. An Inquiry into the Cause and Nature of Crown- 

 Gall. Bull. Univ. Ariz. Agric. Exper. Sta. 33 '■ 7-64-/ i~3i- *3 

 Ap. 1900. 



Dendrophagtts globosus gen. et sp. nov. (Mycetozoa). 



Underwood, L. M. Our Native Ferns and their Allies. Sixth 

 Edition, pp. viii, 158. New York. Jl. 1900. 



Includes Bottychium pumicola Coville and Polystichum Lemmotti sp. nov. 



Wager, H. On the Fertilization of Peronospora parasitica. Ann. 



Bot. 14: 263-279.//. 16. Je. 1900. 

 Wanner, A. & Fontaine, W. M. Triassic Flora of York County, 



Pennsylvania. Ann. Rept. U. S. Geol. Surv. 20 3 : 233-255.//. 



21-34- Jl- 1900. 

 Ward, L. F. Status of the Mesozoic Floras of the United States. 

 1st Paper: The Older Mesozoic. Ann. Rept. U. S. Geol. Surv. 



20* : 211-748. pi. 21-179. I 9°°- 



