Index to American botanical literature 349 



Murrill, W. A. Polyporaceae (conclusio). N. Am. Flora 9: 73- 



131- 12 Mr 1908. 



Includes new species in Coriolopsis (4), Cerrenella, InonoHis {3), Fomes, Pyro- 

 polyporm (10), Amauroderma (3), Ganoderma (11), Lenzites (2), and 'Gloeophyiium, 



Olive, E. W, Sexual cell fusions and vegetative nuclear divisions in 

 . the rusts. Ann. Bot. 22 : 331-360. pi. 22. Jl 190S. 



Pammel, L. H., & Robb, L. Notes on the histological structure and 

 specific gravity of the seeds oi Fyrus. Proc. Iowa Acad. Sci. 15: 

 . 47-53- P^' A 2. 1908. 



Pampanini, R. Una specie ed una varieta nuova di Tifhonia Desf. 

 Bull. Soc. Bot. ItaL 1908: 132-134. 31 D 1908. 



Ttthonia Vilmoriniana^ native in Mexico. 



r 



Pilger, R. Kleinere Beitrage zur Kenntnis der Meeresalgen — I, 

 Hedwigia 48 : 178-183. 28 N 1908. 



Includes Actinococctis exul and Niiophyllum Paessieri^ spp. nov. from south Chile. 



Ramaley, F. Climatology of the mesas near Boulder, Colorado. 

 Univ. Colorado Studies 6: 19-31. D 1908. 



. In ** Studies in mesa and foothill vegetation." 



Ramaley, F. The botanical opportunity in Colorado. Univ. Colo- 

 rado Studies 6: 5-10. D 1908. 



Reed, H. S. Fall blossoming of the apple induced by the black rot. 

 Plant World ii: 256, 257. N 1908. 



Rehder, A. Einige neue oder critische Geholze. Mitt. Deuts. Dendr. 

 Gessels. 1908: 157-163. 1908, 



Reiche, K. Zur Kenntnis der Dioscoreaceen-Gattung Epipetmm Phil. 

 Bot. Jahrb. 42 : 178-190. f, i-j, 29 D 1908. 



Robbins, W. W. Distribution of the deciduous trees and shrubs on the 

 mesas. Univ. Colorado Studies 6: 36-49./! i-io, D 1908. 



In ''Studies in mesa and foothill vegetation." 



Robbing, W. W,, & Dodds, G. S. Distribution of conifers on the 

 mesas. Univ. Colorado Studies 6; 31-36. f, i. D 1908. 



In '^.Studies in mesa and foothill vegetation." 



^ F 



Rose, J. N. A new Opuntia from Arizona. Smithson. Misc. Coll. 



^ - - t . 



52 : 153. //. 12, 6 O 1908. 



O, vivipara. 



Rose, J. N. On Opuntia Santa-rita, a species of cactus of ornamental 

 value. Smithson. Misc. Coll. 52 : 195, 196. //. 75. 29 D 1908. 



Rosenstock, E. Filices novae — IV. Repert. Nov. Spec. 6 : 1757-179- 

 31 D 1908. ^^ ' 



Includes 2 new species in Notochlaena and Polypodium, native in Bolivia. 



