LXDEX TO RECENT LITERATURE 557 



Magnus, P. Ueber die bei verwandten Arten auftretenden Modifi- 

 cationen der Charaktere von Uredineen-Gattungen. Ber. Deutsch. 

 Bot. Ges. 17: 178-184.//. 12. 26 Je. 1899. 



Matruchot, L. & Dassonville, C, Sur le Champignon de V 

 Herpes (^Tj'ichophyton') et les formes voisine, et sur la classification 

 des Ascomycetes. Bull. Soc. Mycol. de France. 15 : 240-253. f. 

 A, 31 Jl. 1899. 



Meehan, T. Mammillaria vivipara. Meehan's Monthly, 11 : 129, 

 130. //. g, S. 1899. 



Malicky W. S. The State and Forestry. Forester^ 5: 179-181. 

 Au. 1899, 



Molisch, H. Ueber das Vorkommen von Indican im Chlorophyll- 

 korn der Indicanpflanzen. Ber. Deutsch. Bot. Ges. 17: 228-233. 

 //. j8, 26 Jl. 1899. 



Nelson, A. Some Species of Tctrancuris and its Allies. Bot. Gaz. 

 28: 126-130. 24 Au. 1899. 



Tetraneuns acaulis cacspiiosa n. var. ; 7", suiiplex^ T. incajia^ T, Ma7tcosensisy 

 «nd ricradenia niacrantha ^ new species. 



Niedenzu, F. De Generc Stigmatophyllo. Pars prior. (Disser- 

 tatio.) 1-16. Brunsbergae, 1899. 



Pammel, L. H. Horse Nettle as a troublesome Weed in Iowa. 

 Bull. Iowa Agric. Exper. Sta. 42: 130-136./ 7-j. 1899. 



Pammel, L. H. Two other troublesome Weeds. Bull. Iowa Agric. 

 Exper, Sta. 42 : 137-140./ 5, 6. 1899. 



Convolvulus cD'vensis and Tribulus terrestrh, 



Pammel, L. H. Some germination Study of Cereals. Proc. Soc. 

 Pro. Agric. Sci. for 1898: 194-203. 1899. 



Pammel, L. H. Some ecological Notes on Iowa Grasses. Proc. 

 Soc. Pro. Agric. Sci. for 1898: 204-211. //. 1899. 



Pammel, L. H. Notes on Grasses of Nebraska^ South Dakota and 

 Wyoming. Proc. Dav. Acad. Nat. Sci. 7 ; 229-245. //. 11-16, - 

 1899. 



Melica FammenU Scrib., Poa Wyopuingcnsts Scrib., and Hordetwi cat'spitosum 

 Scrib., new species. 



Pammel, L. H* Anatomical Characters of the Seeds of Leguminosae, 

 chiefly Genera of Gray's Manual. Trans. St. Louis Acad. Sci. g : 

 91-273. //, 7-35. 1899. 



Pammel, L, H. , Some ecological Notes on the Muscatine Flora. 



Plant World, 2: 182-186. Au. 1899. 



