482 



INDEX. 



Grindelia inuloides, Willd., 101. 



squaiTosa, Duii. (?), 101. 

 Guilleiniua illecebroidcs, HBK., 14 . 

 Gutierrezia microcepliala, Gray, 101. 



Texana, Torr. & Gray, 101. 

 Gymnogramme calomelanos, Desv., 

 184. 



Ebreubergiana, Klotzsch, 184. 



pedata, Kaulf., 184. 



tartarea, Desv., 184. 

 Gymuolomia tenuifolia, Bentliam & 



Hooker, 105. 

 Gymuosperma corymbosum, DC, 101. 



H. 



Habenaria volcana (?), 159. 



(?), 159. 



Halenia llotlirockii, Gray, 117. 

 Haploesthes Greggii, Gray, 109. 

 Hayes, A. A., notice of, 422. 

 Heat produced in iron and steel by 

 reversals of magnetization, 197, 

 205. 

 Hebantlie Palmeri, 144. 

 Hechtia glomerata, Zucc., 159. 

 Hedeoma costata, Henisl., 136. 



Drummondii, Beiith., 136. 



Palmeri, HemsL, 137. 



teneila, HemsL, 137. 

 Helenium amphibolum, Gi'ay, 108. 



elegans, DC, 108. 



microcepbaluni, DC, 109. 



oocliuium. Gray, 108. 



tenuifolium, Nutt., 108. 

 Heliantliella Mexicana, Gray, 106. 

 HeUantlius annus, Linu., 105. 



ciliaris, DC, 106. 



debilis, Nutt., 106. 



laciniatus. Gray, 106. 



Maximiliani, Sclirad., 106. 

 Heliopsis parvifolia, Gray, 105. 

 Heliotropium angustifolium, Torr., 

 120. 



confertifolium, Torr., 120. 



convolvulaceum, Gray, 121. 



Curassavicum, Linn., 121. 



glabriusculuni, Torr., 121. 



Greggii, Torr., 121. 



inundatum, Swartz, 120. 



Palmeri, Gray, 121. 



parviflorum, Linn., 121. 

 Hemicarpha subsquarrosa, Nees, 171. 

 Hemiphylacus, 165. 

 latil'olius, 164. 



Herpestis chamfEdrioides, HBK., 130. 

 monniera, HBK., 130. 

 rotundifolia, Pursh., 130. 

 Heteranthera Limosa, Valil, 166. 

 Mexicana, 166. 



reniformis, Ruiz & Pavon, 166. 

 Heteropogou contortus, Roem. & 



Sciiult., 173. 

 Heterotheca chrysopsidis, DC. (?), 

 102. 

 Laniarckii, Nutt., 102. 

 Heterotoma lobelioides, Zucc, 111. 

 Hesalectris aphylla, Baf., 159. 

 Hieraciuni crepidispermum, Pries., 

 110. 

 Mexicanum, Less., 110. 

 Hoffmanseggia Jamesii, Torr. & Gray, 



191. 

 Houstouia acerosa. Gray, 98. 

 angustifolia, Miclix., 97. 

 fasciculata. Gray, 98. 

 longipes, 97. 

 Palmeri, Gray, 97. 

 Hydrochloric acid, action of, on tur- 



merol, 11. 

 Hydrogen, action of nascent, on cur- 

 cumin, 1. 

 Hjmenatherum acerosnm, Gray, 108. 

 gnaphaliopsis, Gray, 108. 

 pentaclisetum, DC, 108. 

 Wrightii, Gray, 108. 

 Hymeuoclea mouogyra, Gray, 104. 

 Hymenopappus artemisieefolius, DC, 

 107. 

 flavescens, Gray, 107. 

 Hyoscyamus albus, Linn., 128. 

 Hypnum adnatuni, Hedw. (?), 190. 



Huffleri, Juratz, 190. 

 Hypopliosplio-molybdate of ammoni- 

 um, 232. 

 tungstates, 235. 

 Hypoxis decumbens, Linn., 161. 



I. 



Index error of a meridian circle on a 

 method of determining the, 

 284. 



Indigofera leptosepala, Nutt., 190. 



Inorganic acids, researches on the 

 complex, 232. 



Iodide of antimony, on the vapor- 

 density of the, 61. 



Ipomcea cardiophylla, Gray, 122. 

 I coccinea, Linn., 123. 



