494 



INDEX. 



H. 



Haematoxylon boreale, Watson, 47. 

 Haplophyton Cimicidum, A. DC, 



59. 

 Heliaiithus aiinuus, 56. 

 Heliotropium Curassavicum, Linn., 

 6:i 



phyllostachyum, Torr., 63. 

 Hermannia pauciflora, Watson, 42. 

 Heteropogon contortus, R. & IS., 80. 

 Hibiscus Coulteri, Gray, 41. 



denudatus, Benth., 41. 

 Hilaria ceiichroides, HBK., 80. 



var. lougifolia, 80. 

 HimantostenimaPringlei, Gray, 61. 

 Hirtea macroptera, DC, 43. 

 Hoffmanseggia microphylla, Torr., 

 47. 



var. glabra, 47. 

 Ilofmeisteria crassifolia, 58. 



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. 



Palmeri, 68. 



I. 



Indigofera Anil, Linn., 46. 



mucronata, Spreng., 46. 

 lonidium polyalsefolium. Vent., 40. 

 Ipomoea Bona-nox, Linn., 63. 



coccinea, Linn., 63. 



hederacea, Jacq., 63. 



leptotoma, Torr., 63. 



Palmeri, 63. 



triloba, Linn., var., 63. 

 Iresine alternifolia, 72. 

 Irons, C'oahuila, crystalline struc- 

 ture of the, 30. 



J. 



Jacobinia ovata, Gray, 67. 



var. subglabra, 67. 

 Jacquinia pungens. Gray, 59. 

 Jacquemoutia Palmeri, 63. 



Jacquemontia Pringlei, Gray, 63. 



var. glabrescens. Gray, 63 

 Janusia Calitornica, Benth., 43. 

 Jatropha canescens. Mull., 76. 



Palmeri, 76. 



spathulata, Miill., 76. 



var. sessiliflora, Mull., 76. 

 Juncus robustus, Watson, 79. 

 Jussiasa octonervis, Lam., 49. 



K. 



V 



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. 



Lagascea decipiens, Hemsl , 55. 

 Lantana Camara, Linn., 67. 

 Laphamia ( ?), 57. 

 Lepidiura Palmeri, 39. 

 Leptochloa mucronata, Kunth, 81. 

 Leptosyne parthenioides, 56. 



var. dissecta, 56. 

 Lippia Palmeri, 67. 

 Lobelia splendens, Willd., 59. 

 Lobster, a preliminary account of 

 tlie development and histol- 

 ogy of the eyes in the, 24. 

 Lolium perenne, Linn., 81. 

 Loranthus Sonorje, 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. 

 Levering, Joseph, an address on 

 the presentation of Rumford 

 Medals to Prof. A. A. Mich- 

 elson, 380. 

 Lupinus, 45. 



Arizonicus, Watson, 45. 

 Lycium, 65. 



Andersoni, Gray, 65. 

 var. pubescens, 65. 

 barbinodum, Miers, 65. 

 carinatum, 65. , 



Richii, Torr., 65. 



