494 



INDEX. 



H. 



Hsematoxylon boreale, Watson, 47. 

 Haplophytou Cimicidum, A. DC, 



59. 

 Helianthus annuus, 56. 

 Heliotropium Curassavicum, Linn., 

 63. 



phyllostachy'um, Torr., 63. 

 Hermannia pauciflora, Watson, 42. 

 Heteropogon contortus, R. & S., 80. 

 Hibiscus Coulteri, Gray, 41. 



denudatus, Benth., 41. 

 Hilaria cenchroides, HBK., 80. 



var. longifolia, 80. 

 Himantostennna Pringlei, Gray, 61. 

 Hirtea macroptera, DC., 43. 

 Hoffmanseggia microphylla, Torr., 

 47. 



var. glabra, 47. 

 Hofmeisteria crassifolia, 53. • 



pubescens, 54. 

 Horsfordia Palmeri, 40. 



Newberryi, Gray, 40. 



rotundifolia, 40. 

 Hosackia rigida, Benth., 45. 



strigosa, Nutt., 45. 

 Hydrogen, density of, 227. 



specific gravity of, 228. 

 Hyptis Emoryi, Torr., var., 68. 



Palineri, 68. 



I. 



Indigofera Anil, Linn., 46. 



inucronata, Spreng., 46. 

 Ionidium polyalsefolium, Vent., 40. 

 Ipomcea Bona-nox, Linn., 63. 



coccinea, Linn., 63. 



hederacea, Jacq., 63. 



leptotorna, Torr., 63. 



Palmeri, 63. 



triloba, Linn., var., 63. 

 Iresine alternifolia, 72. 

 Irons, Coahuila, crystalline struc- 

 ture of the, 30. 



J. 



Jacobinia ovata. Gray, 67. 



var. subglabra, 67. 

 Jacquinia pungens, Gray, 59. 

 Jacquernoutia Palmeri, 63. 



Jacquemontia Pringlei, Gray, 63. 



var. glabrescens, Gray, 63. 

 Janusia Calitornica, Benth., 4^5. 

 Jatropha canescens, Midi., 76. 



Palmeri, 76. 



spathulata, Miill., 76. 



var. sessiliflora, Miill., 76. 

 Juncus robustus, Watson, 79. 

 Jussisea octonervis, Lam., 49. 



K. 



Ketones, on the acidity of the sub- 

 stituted, 309. 

 Kosteletzkya Coulteri, Gray, 41. 

 Krameria canescens, Gray, var., 40. 



parvifolia, Benth., 40. 

 Krynitzkia angusti folia, 63. 



ramosissima, Greene, 63. 



L. 



Lagascea decipiens, Hemsl , 55. 

 Lantana Camara, Linn., 67. 

 Laphamia ( ?), 57. 

 Lepidium Palmeri, 39. 

 Leptochloa mucronata, Kunth, 81. 

 Leptosyne partlienioides, 56. 



var. dissecta, 56. 

 Lippia Palmeri, 67. 

 Lobelia splendens, Willd., 59. 

 Lobster, a preliminary account of 

 the development and histol- 

 ogy of the eyes in the, 24. 

 Loliuin perenne, Linn., 81. 

 Loranthus Sonorse, 73. 



spirostylis, DC, 73. 

 Los Angeles Bay, collection of 

 . plants made at, by Dr. E. 

 Palmer, in 1887, 36. 

 Louteridium Donnell-Smithii, Wat- 

 son, 85. 

 Lovering, Joseph, an address on 

 the presentation of Rumford 

 Medals to Prof. A. A. Mich- 

 elson, 380. 

 Lupinus, 45. 



Arizonicus, Watson, 45. 

 Lyciuin, 65. 



Andersoni, Gray, 65. 

 var. pubescens, 65. 

 barbinodum, Miers, 65. 

 carinatum, 65. 

 Richii, Torr., 65. 



