484 
Wiegand, K. McK. The Structure of the Fruit in the Order Ranun- 
culaceae. Proc. Am. Micros. Soc. 1894: 69-100. p/. 7-8. 1894. 
Williams, T. A. Native Trees and Shrubs of South Dakota. Bull. 
S. Dak. Exp. Sta. 43: pp. 32. My. 1895. 
Briefly describes 117 species. 
Wilson, F. Variations in Viola. Asa Gray Bull. 3: 13. Ap. 1895. 
Wolf, T. Die Galapagos-Inseln. Verhandl. d. Gesellsch. f. Erdk. z. - 
Berlin, 22: 246-265. p/. 37. 1895. 
Contains references to the flora. 
Zahlbruckner, A. Lobeliaceae Brasilienses. Medd. Nat. Foren. 
Kobenh. 1895: 67-71. 1895. 
Enumeration of the species collected by Dr. Glaziou; Lobelia Glazioviana is de- 
scribed as new. 
Zeissold, H. Kakteen Neuheiten. Monats. Kakteenk. 5: 69-75 ; 
86-90. My. Je. 1895. 
Illustrations are given of Cereus Eruca, C. Cochal, Pilocereus Sargentianus and 
Mamillaria Halei, 
