﻿116 Index to recent Literature 



Ule, E. Dipladenia atro-violacea Mull. Arg. und Begonien als Epiphy- 

 ten. Ber. deutsch. bot. Gesellsch. 15 : (79)-86. pi. 20. 24 N. 1897. 



Underwood, L. M. Additions to the Published Lists of Indiana Cryp- 

 togams. Proc. Ind. Acad. Sci. 1896: 171,172. 1897. 



I 



Urban, I. Plantae novae americanae imprimis Glaziovianae. I. Bot. 

 Jahrb. Beiblatt. 57. 23: 1-42. 1897. 



Vail, A. M. Studies in the Asclepiadaceae.— II. Bull. Torr. Bot. Club, 

 25 : 3°-39- 25 Ja. 1898. 



Revision of the genus Acerates in the United States. Acer at es Rusbyi, new. 



Waugh, F. A. The enzymic Ferments in Plant Physiology, Science 

 II. 6: 950-952. 24 D. 1897. 



