﻿Index to recent Literature 635 



C[lute], W. N. Notes for the Beginner. Fern Bull. 6: 28, 29, 



/. 7-5. Ap. 1898; 52-54. / 7-£. JL 1898; 76, 77. O. 1898. 



Notes on the study of ferns. 



Cockerell, T, D. A. Eschscholtzia Mexicana parvula. Bot. Gaz. 



26 : 279. 15 O. 1898. 

 Cogniaux, A. Orchidaceae. — V. Flora Brasiliensis, 123 : 1-188. 



//. 1-49. 1 Je. 1898. 



Descriptions of Laeliinae including 141 species of Epidendmm. 



Czapek, F. Weitere Beitrage zur Kenntniss der geotropischen Reiz- 



bewegungen. Jahrb. wiss. Bot. 32 : 175-308. /. 1-7. 1898. 

 Eaton, A. A. The Genus Rquisetum, with reference to the North 



American Species. Fein Bull. 6: 45~49- J 1 - l8 9 8 5 69-71. O.' 



1898. 

 Elmore, C. J. Some Results from the Study of Allium. Bot. Gaz. 



26 : 277, 278. 15 O. 1898. 

 Ewart, A. J. Can isolated Chloroplastids continue to assimilate? 



Bot. Centralb. 75 : 33-36. 1898. 

 Ewart, A. J. The Action of Cold and of Sunlight upon aquatic 



Plants. Ann. Bot. 12: 363-397. S. 1898. 

 Field, G. W. Methods in Planktology. Am. Nat. 32:" 735-745- 



O. 1898. [Illust.] 

 Fulmer, E. L. Cell Division in Pine Seedlings. Bot. Gaz. 26 : 



239-244. //. 23, 24. 15 O. 189S. 

 Gold,T. S. The Poison Vine. Median's Month. 8 : 166. N. 1898. 

 Greene, E. L. Studies in the Compositae.— VI. Pittonia, 3 : 243- 



246. 9 D. 1897;— VII. 264-272.. 25 F. 1898; 273-298. 21 Mr. 



1898. 



Ionartis gen. nov., notes on Tetraneuris, Rydbergia gen. nov., species of Antm- 

 ntria, Raniera gen. nov., western species of Erigeron. 



Greene, E. L. Corrections in Nomenclature.— II. Pittonia, 3: 



207-212. 25 S. 1897. 



Arngallm Necker adopted for certain species of Astragalus. 



Greene, E. L. Studies in the Cruciferae.— II. Pittonia, 3: 252- 

 256. 9 D. 1897. 



Nesodraba gen. nov. 



Greene, E. L. New Species of Convolvulus. Pittonia, 3 : 3 26 "333- 

 21 MV.-24 S. 1898. 



Fourteen species, mostly Pacific North American, described as new. 



Greene, E. L. New or noteworthy Violets. Pittonia, 3 : 313-318. 

 7 My. 1898. 



V. cuspidata, dactylifera, deltoidea, fsyc/wdes, subcordata and subsagittata new. 



