510 Index to recent Literature 



Roth, G. iJbersicht iiber die Familie der Hypnaceen. Hedwigia 



(Beiblatt), 38: (3)-(8)- 28 F. 1899. 

 Rothrock, J. T. The JUack Spruce (^Picea !n\raUnV.). Forest 



T-eaves, 7 : 40. Je, 1899. [Illust.] 



Schrenk, H. von. A Disease of Ta.xoMi/m known as Peckiness, also 



a similar Disease oi Libocedius decurrcns. Rep. Mo. Bot. Card, ii: 



1-55. //. 1-6. 3 Je. 1899. 

 Schrenk, H. von. A sclerotioid Disease of Beech Roots. Rep. 



Mo. Bot. Card. 10: 61-70. pi. 55^ 5^- ^^99. 

 Scribner, F. L. New Species of North American Grasses. Circ. U. 



S. Dept. Agric. (Div. Agrost.) 16: 1-6./. /. i Jl. 1899. 



New species in Andropo:^on, rmaiullia, Poa, Dacfyloitcnium aiul ranicum. 



Scribner, F. L. Recent Additions to Systematic Agrostology. 

 Circ. U. S. Dept. Agric. (Div. Agrost.) 15 : i-io. /. 1-5. 14 Jl- 



1899. 



Selby, A. D., & Duvel, J. W. T. Sources of the Ohio Flora. 



Broc. Columlms Hort. Soc. 14: 35-59- ^^r. 1899.- 

 Smith, J. G. The Velvet Bean {Mi/atna iitilis). Circ. U. S. Dept. 



( 



/• /-?• 1899- 



Smith, J. G. Grazing Problems in the Southwest and how to meet 

 them'. Bull. U. S. Dept. Agric. (Div. Agrost.), 16: i-47- / ^-P- 



1899. 



Spegazzini, C. Nova Addenda ad Floram Patagonlcam. Anales 

 Soc. Cien. Argentina, 47 : 1 61-177. Ap. 1S99. 



Stone, G. E., & Smith, R. F. The Asparagus Rust in Massa- 

 chusetts. Bull. Mass. Fxp. Sta. 61: 1-20. //. /, 2. Ap. 1899. 



Sturtevant, E. L. Varieties of Corn. Bull. U. S. Dept. Agric. 

 (Exp. Sta.) 57:, 1-108. 1899. [Illust.]. 



Vail, A. M. Notes on Covi/ka and FagoNia. Bull. Torr. Bot. Club, 

 26 : 301-302. 17 Je. 1899. 



Covi/h« iridentata nom. nov. for Zy^ophyllum tridvntatum Mog. & Scssc. 



Williams, C. L. The Origin of the karyokinetic Spindle in Passi- 

 Pm coenilea Linn. Broc. Cal. Acad. Sci. III. i : 189-206. //. 



37-40. 15 ^P- 1899. 



«. 



[This Index is reprinted each niuutli by the Ciiaihrldge Botanical Supply Company 

 in card catalo<ruc form.] 



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