P. Duchartre. — Asa Gray. 139 



Notes of a botanical excursion to the mountains of North Carolina 

 (Amer. Journ. of Scien., XLII, 1842, 49 p.). 



The Botanical Text-book for collèges, schools and private students 

 (2 e édit. des Eléments of Botany) ; 8", New York; 1842. 



The chemistry of végétation. New York, 1845; ^° de 4 2 P- (North Ame- 

 rican Review). 



Chloris boreali-americana, decas 1,4° de 56 p., 10 tab. color. Cambridge; 

 1846. 



Gênera Florae Americce boreali-orientalis illustrata; 2 in-8°, 1848, 184g, 

 230, 239 p., tab. 1-186 paris. Sprague. 



A Manual of the Botany of the northern United States, from New England 

 to Wisconsin and south to Ohio and Pennsylvania inclusive. Boston and 

 Cambridge, 1848, 8° de lxxii et 710 p. — 2 d édition including Virginia, 

 Kentucky and ail east of the Mississippi. New York, 1856, 8° de xxvm et 

 739 p., 14 tab. — Edit. V, including the district east of the Mississippi and 

 north of North Carolina and Tennessee. New York, 1868 ; 8° de 701 p. , 20 tab. 



Plantae Wrightianae Texano-neo-Mexicana;, anaccountofa collection ot 

 Plants made by Charl. Wright, in the summer and autumn of 1849, with 

 critical Notices and characters of other new and interesting Plants of adja- 

 cent régions; 4 . Part I, 1852, 146 p., tab. 1-10 ; Part II, Plants collected in 

 western Texas, New Mexico and Sonora, in the years 185 1- 1852 ; 1853, 

 119 p., tab. 11-14 (Smithsonian Contributions, III et V). 



Botany of the United States Expédition, 1838-1842, under the command 

 of Charl. Wilkes. Philadelphie, 1854; 4 , 777 p.; 100 tab. in-folio. 



Statistics of the Flora of the northern United States (Amer. Journal of 

 Scien., 1856 et 1857). 



First Lessons in Botany and vegetable Physiology. New York, 1857; 

 8°, vu et 236 p. 



How Plants grow ; a simple Introduction to structural Botany. New 

 York, 1858; 8°, 233 p., fig. 



Account of the Botanical species collected in the Expédition of the 

 American squadron to the China Seasand ]apan, performed in 1852-1854 

 under the command of Commodore M. C. Perry; in Narrative, &c. Wash- 

 ington, 1856; 4°, vol. II, p. 203-352. 



Account of the Botanical specimen-list of dried Plants collected in Japan ; 

 4 , 1859. 



Report upon the Colorado River of the West, explored in 1857 and 

 1858 by Lieutenant Jos. Ives. Washington, 1861, 4 ; Part IV, Botany, 30 p. 



Field, Forest and Garden Botany. 8°, 1868. 



Plants of United States and Europe (Appendix to the Address to the 

 American Association, 1872). 



Notes on Compositae and characters of certain Gênera and Species 

 (Proceed. of the Amer. Acad. of Arts and Scien. of Boston ; new séries, I, 



1874). 



Revision of the genus Symphoricarpus (Journ. of the Linn. Soc, XIV, 



i875). 



How Plants behave; 1875. 



