Potamogeton crispus. L.; Marsilea quadrifolia. L. Am. J. Sci., II, xxx, 139, 140. 



Discussion between two readers of Darwin's Treatise on the Origin of Species. 

 Am. J. Sci.. II, xxx, 226-239. [Design versus Necessity. — Discussion between 

 two readers of Darwin's Treatise on the • Origin of Species, upon its natural the- 

 ology. Darwiniana, pp. 62-86.] 



1861. 



Note on the species of Nissolia. Journ. Linn. Soc, v, 25-26. 



Characters of some Compositse in the collection of the United States South Pa- 

 cific Exploring Expedition under Capt. Wilkes; with observations, etc. Proc. 

 Am. Acad., v. 114-146. 



Notes on Lobeliacete, Goodeniaceae, etc., in the collection made by the South 

 Pacific Exploring Expedition. Proc. Am. Acad., v, 146-152. 



Enumeration of a collection of dried plants made by L. J. Xantus, at Cape San 

 Lucas, etc.. in Lower California, between Aug, 1859. and Feb., 1860. Proc. Am. 

 Acad., v, 153-173. 



A cursory examination of a collection of dried plants made by L. C. Ervend- 

 berg around Wartenberg, near Tantoyuca, in the ancient province of Tluasteca, 

 Mexico, in 1858 and 1859. Proc. Am. Acad., v, 174-190. 



Note on the genus Graphephorum. Desc, and its synonymy. Proc. Am. Acad., 

 V, 190-191; Ann. Bot. Soc. Canada, I. 55-57. 



Notes upon a portion of Dr. Seemann's recent collection of dried plants gathered 

 in the Feejee Islands. Proc. Am. Acad., v. 314-321. 



Characters of new or obscure species of plants of Monopetalous orders in the 

 coUection of the United States Pacific Exploring Expedition ; with occasional re- 

 marks, etc. Proc. Am. Acad., v. 321-352; vi, 37-55. 



Heath (Calluna vulgaris) in North America Am. J. Sci., IT, xxxn, 290, 291 ; 

 xxxvm, 122-124; 428, 429: xxxix, 228; xliii, 128, 129. [Calluna atlantica, 

 Seem.; also Seemann's Journ. Bot., v, 84, 85.] 



Aira caryophyllea in the United States. Am. J. Sci., II, xxxn, 291. 



1862. 



Plantse Vitienses Seemaunianee. Remarks on the Plants collected in the Vitian 

 or Fijian Islands by Dr. Berthold Seemann. Bonplandia, x. 34-37. 



Enumeration of the Plants of Dr. Parry's collection in the Pocky Mountains in 

 1861. Am. J. Sci., II. xxxin, 237-243, 404-411 ; XXXIV, 249-261, 330-341. 



Notes upon the "Description of New Plants from Texas by S. B. Buckley." 

 Proc. Phila. Acad. Nat. Sci. 1862, 161-168. 



A Report upon Mr. S. B. Bucklev's "Description of Plants, No. 3. Gramineae." 

 Proc. Philad. Acad., 1862, 332-337. 



Additional note on the genus Rhytidandra. Proc. Am. Acad., vi, 55-56. 



Synopsis of the genus Pentstemon. Proc. Am. Acad., vr, 56-76. 



Revision of the North American species of the genus Calamagrostis, sect. Dey- 

 euxia. Proc. Am. Acad., vi, 7 7-80-. 



Fertilization of Orchids through the Agency of Insects. Am. J. Sci., II. xxxrv, 

 420-429. 



1863. 



Darlingtonia Californica, Torr. Am. J. Sci., II, xxxv, 136-137. 



Botanical Collections in the Rocky Mountains. Am. J. Sci.. II, xxxv, 137. 



Species considered as to Variation, Geographical Distribution and Succession. 

 Ann. Nat. Hist., xir. 81-97. [Darwiniana, pp. 178-204.] 



Enumeration of the species of plants collected by Dr. C. C. Parry and Messrs. 

 Elihu Hall and J. P. Harbour, during the summer and autumn of 1862, on and 

 near the Rocky Mountains, in Colorado Territory, lat. 36°-41°. Proc. Philad. 

 Acad. Nat. Sci., 1863. 55-80. 



Structure and fertilization of certain Orchids. Am. J. Sci.. II, xxxvi, 292-294. 



Manual of the Bofany. etc. Fourth revised Edition. To which is added 

 Garden Botany, an Introduction to a knowledge of the common cultivated Plants. 

 With twentv-twc plates, illustrating the Grasses, Ferns, Mosses, etc. New York, 

 1863, pp. ci, 743. 



Synopsis of the species of Hosackia. Proc. Acad. Philad., 1863, 346-352. 



