824 APPENDIX. 



1875. Do Varieties wear out or tend to wear out ? III. ix. 

 109-114. 



1875. Bentham on the Recent Progress and Present State of 

 Systematic Botany. III. ix. 288-294 ; 346-355. 



1875. ^Estivation and its Terminology. III. x. 339-344. 



1877. Notice of Darwin on the " Effects of Cross and Self Fer- 

 tilization in the Vegetable Kingdom." III. xiii. 125-141. 



1877. Notes on the History of Helianthus tuberosus. III. 

 xiii. 347-352 ; xiv. 428-429. 



1878. Forest Geography and Archaeology. III. xvi. 85-94 ; 

 183-196. 



1878. De Candolle's New Monographs. III. xvi. 325 ; xxxiv., 

 490. 



1878. Shortia galacifolia rediscovered. III. xvi. 483-^85. 



1879. Pertinacity and Predominance of Weeds. III. xviii. 

 161-167. 



1880. De Candolle's Phytography. III. xx. 150, 241. 



1881. C. Darwin and F. Darwin, "Power of Movement in 

 Plants." III. xxi. 245. 



1882. Remarks concerning the flora of North America. III. 

 xxiv. 321-331. 



1883. Review of De Candolle's Origin of Cultivated Plants. 

 III. xxv. 241-255 ; 370-379 ; xxvi. 128-138. 



1883. Points in Botanical Nomenclature ; a review of De 

 Candolle's " Nouvelles Remarques sur la Nomenclature Bota- 

 nique." III. xxvi. 417-437. 



1884. Gender of Names of Varieties. III. xxvii. 396-398. 

 1884. Characteristics of the North American flora. III. 



xxviii. 323-340. 



NOTE. During the fifty and more years Dr. Gray was a con- 

 tributor to the " American Journal of Science," in addition to 

 the foregoing articles, he printed in its pages 380 communica- 

 tions, devoted chiefly to critical reviews of works on botany and 

 kindred subjects, and to biographical sketches of botanists. In 

 1888 appeared, as an appendix to Volume XXXVI., a list of 

 42 pages of the writings of Asa Gray, chronologically arranged. 

 This list, with an index, has been issued in separate form. 

 In addition to the above, Dr. Gray contributed to the " Na- 

 tion " from 1868 to November, 1887 ; and many articles to 

 the following journals and magazines : The New York Semi- 



