Dicotyledons. 



G38 



5400 



Robinson, B. L. Two varieties of 

 Sisi/mhrium oih'cntale in America. I.e. 7, 

 1905, (101-10.3j. 



A new Fanunculus \R. 



Allenii n. sp.] from north-eastern 

 America. I.e. (219-222). 



and Greenman, J. M. 



Re\'i8ion of the genus Sahaz'm. Boston, 

 Mass., Proc. Amer. Acad. Arts Sci., 40, 

 1904, (3-6). 



Mexican and Central 



American species of Tr'ixis. I.e. (6- 

 U). 



■ • ifexican and Central 



American species of Ilierachun. I.e. 

 (14-21). 



Rosner, A. Heilung der Begonieu- 

 Kraukheit. MoUers D. Giirtnerztg, 

 Erfurt, 19, 1904, (19-5). 



Rogenhofer, E. Variationsstatistische 

 Untersuchungen an Gentiana verna L. 

 and Genliaua fergestinn Beck. Wien, 

 Verh. ZoolBot. Ges., 55, 1905, (257). 



Rogers, W. JI. Fulms Xcirhouldii 

 Bab. J. Bot., Loudon, 43, 1905, (364- 

 365). 



and Linton, E. F. French 



and German views of British Ruhi. I.e. 

 (198-205). 



Rojas-Acosta, N. Sertum argentinum 

 (Enumeratio plantarum). Mans (le), 

 Bui. Acad, iiiternat. geog. bot., 1905, 



(78-84). 



Rose, J. N. Mexican and Central 

 American plants. Washington, D.C., 

 Smithsonian Inst., Nation. Mus., Cont. 

 Nation. Herb., 8, 1905, (i-vii + 281- 

 339 -i- ix, with pi., text-fig.). 



Five new species of ilexican 



plants [nn. spp. in PoJiantlies, Xolinn, 

 Pavncissia, lleuchcra and Dahlia'\. 

 Washington, D.C., Smithsonian Inst, 

 Nation Mus., Proc, 29, 1905, (437- 

 439). 



Two new umbelliferous 



plants from the coastal plain of Geoi'gia. 

 [Flarperia nodosa n. gen. and sp. and 

 Zizia aren'tcola n.sp.] I.e. (1 1. + 441- 

 442, with 1 pi.). 



and House, H. D. Three 



Mexican violets. Le. (443-444, witli 

 pl.j. 



RosendaM, C. 0. Die nordamerikani- 

 schen Saxifraginae und ihre Verwandt- 

 schafts-Verhaltnisse in Beziehung zu 

 ihrer geographischen Verbreitnng. Bot. 

 Jahrl)., Leipzig, 37, 1905, Beiblatt 

 No. 83, (1-87, m. 2 Taf.). 



A new species of Razou- 



mofshya. Minn. Bot. Stud., Minneapolis, 

 Minn., (Ser. 3), Pt. 2, 1903, (271-273. 

 Ti-ith pi.). 



Ross, H. Schiidigungen des Hasel- 

 strauches und deren Bekampfung. 

 Prakt. Bl. Pflanzenschutz, Stuttgart, 3, 

 1905, (49-53). 



Rothe, R. MagnoVia stellata ilax. 

 Gartenflora, Berlin, 52, 1903, (409-410). 



Rother, W. 0. Phyllokakteen- 

 Plauderei. Monatschr. Kakteenk., Neu- 

 damm, 15, 1905, (9-10, 27-28). 



CercH.s latnproehlorus Lem. 



I.e. (112-113). 



Echinocereen. I.e. (161). 



Ech'nweereus Salmiarnis 



und E. Sahn-Dyek'iamis. I.e. (175-176). 



und Voss, A. Caet)i3 



Gaertneri ein Blatt- oder Ketten-Kaktus ? 

 D. Gartenrat, Berlin, 2, 1904, (202). 



Rothmaler. Gelbsucht bei Ferkeln 

 nach Vicia ri/Zo-'^a-Futterung. 111. 

 landw. Ztg, Berlin, 22, 1902, (252). 



Rouy, G. Notices floristiques. Paris, 

 Bui. soc. bot., 52, 1905, (85-87). 



Un dernier mot sur la 



notation Ornitliopiis exstiptdatus Thore. 

 I.e. (190-191). 



Rudow. Schildlaus an lledera Helix. 

 Insektenborse, Leipzig, 21, 1904, (332). 



Ruska, J. Zur Pflanzenteratologie. 

 [Scahiosn Columharia.l Naturu. Schule, 

 Leipzig, 4, 1905, (419-423). 



Russell, W. Principes actifs de la 

 garauce. Rev. gen. bot., Paris, 17, 

 1905, (254-259). 



Rydberg, P. A. Rocky mcnnitain 

 flora. New York, N.Y., ]?ull. T(irrey 

 Bot. CI., 31, 1904, (555-575, 631-655) ; 

 [Compositae.] I.e. 32, 1905, (123-138). 



Astragalus and its segre- 

 gates as rei)resented in Colorado. I.e. 

 32, 1905, (657-668). 



Sabransky, H. Veihhennora Steier- 

 marks. Allg. bot. Zs., Karlsruhe, 11, 

 1905, (162-165). 



