INDEX. 



491 



Cassia Covesii, Gray, 47. 



nictitans, Linn., 47. 

 Cathesticum erectuui, Vasev & 



Hack., 80. 

 Celtis pallida.' Torr., 77. 

 Cenchrus echinatus, Linn., 80. 



myosuroides, HBK., 80. 



Palraeri, Vasey, SO. 



tribuloides, Linn., 80. 

 Cereus Pringlei, Watson, 52. 

 Cheilanthes myriophylla, Desv., 81. 



Prinirlei, Davenport, 8L 

 Chenopodium album, Linn., 72. 



ambrosioides, Linn., 



70 



Cliloris elegans, Kniith, 81. 

 Chlorjiyromucamide, 8, o2S. 

 Chlorpyromucic acids, 320. 



acid. /3, 330. 

 Chrome iron ore, the determination 



of chromium in, 88. 

 Chromium, the determination of, 



in chrome iron ore, 88. 

 Citharexylum flabellifolium, 67. 

 Cladothrix lanuginosa, Nutt., 71. 

 Cleome tenuis, 39. 

 Coahuila irons, crystalline struc- 

 ture of the, 30. 

 examination of irons, — 

 Allen Co., 33, 34. 

 Butcher (Coahuila), 30-32. 

 Chattooga Co., 34. 

 Maverick Co., 34. 

 Saltillo, .32. 

 Santa Rosa, 34. 

 figures, 30, 31, 32. 

 Cocculus diversifolius, DC, 38. 

 Coldenia angelica, 62. 

 brevicalyx, 62. 

 Palmeri, Gray, 62. 

 Collinsia Wrightii, 84. 

 Colabrina glabra, 44. 

 Communications, — 



W. D. Bancroft, 288. 



W. B. Bentley, 250. 



Arthur M. Comey, 14. 



Josiah Parsons Cooke, 202. 



Charles R. Cross, 94, 113. 



W. S. Hendrixson, 376 



Henry B. Hill, 320. 



Oliver W. Huntington, 30, 313. 



C. C. Hutchins, 125. 



C. Loring Jackson, 105, 234, 



2.56, 271, 288, .306, 320. 

 Leonard P. Kinnicutt, 88. 

 W. R. Livermore, 164. 

 Joseph Lovering, 185, 380, 441. 



George Dunning Moore, 256, 



271. 

 Daniel Edward Owen, 125. 



A. W. Palmer, 105, 

 G. H. Parker, 24. 

 Geoige W. Patterson, 88. 



B. O. Peirce, 146. 



W. S. Robinson, 1, 234. 

 Annie W. Sabine, 90, 94. 

 Arthur Searle, 26. 

 Samuel Sheldon, 176, 181. 

 John Trowbridge, 176, 181. 

 W. W. Warren, 250. 

 Sereno Watson, 36. 

 Arthur S. Williams, 113. 

 R. W. Willson, 148. 

 Conobea intermedia. Gray, 66. 

 Cordia Greggii, Torr., 61. 

 var. (?) Palmeri, 61. 

 Palmeri, 62. 

 Cottea pappophoroides, Kunth, 81. 

 Cracca Edwardsii, Gray, 46. 

 Crescentia alata, HBK., 66. 

 Cressa Cretica, Linn., 64. 

 Croton Pringlei, Watson, 77. 

 Cryptocarpus (?) capitatus, 71. 

 Crystalline concretions of mica, 318. 

 Crystalline growth, features of, 313. 

 " The Butcher Irons," 313. 

 Widmanstiittian figures in Spie- 

 gel Eisen, 315. 

 Crystalline plates in galena, 317. 

 Cncurbita cordata, 50. 

 Cuscuta Americana, Linn., 64. 

 Palmeri, 64. 

 umbellata, HBK., 64. 

 Cyperus aristatus, Rottb., 79. 

 articulatus, Linn., 79. 

 esculentus, Linn., 79. 

 ferax. Rich., 79. 

 laevigatus, Linn., 79. 

 speciosus, Vahl, 79. 



D. 



Dalea Emoryi, Gray, 46. 



megacarpa, Watson, 45. 



mollis, Benth., 46. 



Parryi, Gray, 46. 



Pringlei, Gray, 45. 

 Desmanthus Jamesii, Torr.& Gray, 

 var., 48. 



virgatus, Benth., 48. 

 Desmodium scopulorum, 47. 

 Dianthera Sonorse, 67. 



