Characters of Tefcraclea, a new genus of Verbenaceas. Am. J. ScL, II, xvi, 97-98. 



Note on the parasitism of Comandra umbellata, Nutt. Am. J. Sci., II, xvi,. 

 250-251. [Ann. Nat. Hist, xn, 365-366.] 



Characters of some new genera of Plants, mostly from Polynesia, in the col- 

 lection of the United States Exploring Expedition under Captain Wilkes. Proc. 

 Am. Acad., Ill, 48-54, 127-129. 



1854. 



On the age of the large tree recently felled in California. Am. J. Sci., II, xvn, 

 440-443. 



Note on the genus Buckleya. Am. J. Sci., II, xvm, 98-100. 



Plantas Novas Thurberianas : The characters of some New Genera and Species 

 of Plants in a Collection made by George Thurber, Esq., of the late Mexican 

 Boundary Commission, chiefly in New Mexico and Sonora. Mem. Am. Acad., 

 n. s., v, 297-328. 



On the Affinities of the Genus Vavaea, Benth. ; also of Rhytidandra, Gray. 

 Mem. Am. Acad., n. s., v, 329-336. [Hook. Journ. Bot., vn, 189-190,] 



United States Exploring Expedition, during the years 1838, 1839, 1840, 1841,. 

 1842, under the command of. Charles Wilkes, U. S. N. Vol. xv. Botany. 

 Phanerogamia. With a folio Atlas of one huLdred plates. Parti. Philadelphia, 

 1854. 4°, pp. 775. 



Mammoth Trees of California. Am. J. Sci., II, xvm, 286-287. 



1855. 



The Smithsonian Institution. Am. J. Sci., II, xx, 1-21. 



Botanical Report, by John Torrey and Asa Gray, upon the Collections made by 

 Captain Gunnison, Topographical Engineers, in 1853, and by Lieutenant E. G. 

 Beckwith, Third Artillery, in 1854. Pacific R. R. Surveys, 11 115-132,with ten 

 plates. 



Report on the Botauy of the Expedition [under Captain John Pope], by John 

 Torrey and Asa Gray. Pacific R. R. Surveys, 11, 157-178, with ten plates. 



Note on the Development and Structure of the Integuments of the Seed of 

 Magnolia. Hook. Journ. Bot., vn, 243-245 ; viu, 26. 



1856. 



A Manual of the Botany of the Northern United States : Second Edition ; in- 

 cluding Virginia, Kentucky, and all east of the Mississippi ; arranged according 

 to the Natural System. (The Mosses and Liverworts by Wm. S. Sullivant.) With 

 fourteen plates, illustrating the genera of the Cryptogamia. New York, 1856. 

 8°. pp. xxviii, 739. 



Note on Obolaria virginica, L.. Journ. Lion. Soc, 1, 129-130. 



For what purpose were plants created ? (Addressed to Prof. Dana). Am. J. Sci., 

 II, xxi, 428, 429. 



Statistics of the Flora of the Northern United States. Am. J. Sci., II, xxn, 

 204-232; XXIII, 62-84, 369-403. 



Wild Potatoes in New Mexico and Western Texas. Am. J. Sci., II, xxn, 284, 

 285. 



1857. 



Centrostegia, Pacific R. R. Surveys, vn (Botany), 1 9. 



List of Dried Plants collected in Japan, by S. Wells Williams, Esq., and Dr. 

 James Morrow. Narrative of the Expedition of an American Squadron to the 

 China Seas and Japan, performed in the years 1852, 1853 and 1854, under the 

 command of Commodore M. C. Perry, 11, 303-329. 



Report of the Botany of the Expedition [under Lieutenant A. W. Whipple]. 

 (By John Torrey. The Compositas, Plantaginacese, Orobauchaceae, Scrophularia- 

 ceae and Bignoniaceas, by Asa Gray). Pacific R. R. Surveys, iv, 95-115, 117-122,. 

 with eight plates. 



