172 



INDEX. 



Page. 



Heuchera Continued. 



parvifolia, Nutt 40 



eracium 



albiflorum, Hook 85 



Fendleri, Schultz 85 



triste, Willd 85 



Hierochloa 



borealis, R. & S 152 



Hippuris 



vulgaris, L 43 



Hoffmanseggia, Cav 



drepanocarpa, Gray 33 



Jamesii, T. &G 33 



Homalobus 



decunibens, Nutt 29 



Hordeum 



jubatum, L 151 



pratense, Huds 151 



Hosackia, Dougl 



Purshiana, Benth 21 



Humulus 



Lupulus, L 127 



Hutchinsia 



calycina, Desv... 8 



HYDROPHYLLACE.E 103 



Hydrophyllum 



Virginicum, L 103 



Hymenopappus 



tenuif olius, Pursh 75 



HYPERICACE.E 15 



Hypericum 



Scouleri, Hook 15 



Hypoxys 



juncea, Smith 133 



Hypnum 



aduncuin, Hedw 161 



albicans, Neck 160 



campestre, Br. & Sch 160 



collinum, Schp 160 



cupressif orme, Hedw 161 



diversif olium, Br. Eur 160 



eugyrium Schp 161 



filicinum, L 161 



fluitans, Dill 161 



giganteum, Schp 161 



hispidulum, Brid 161 



imponens, Hedw 161 



]setum, Brid 160 



laetum, Schp 160 



molluscum, Hedw 161 



nitens, Schreb 161 



nitidulum, Wahl 160 



orthocladon, Beauv 161 



pallescens, Schp 161 



paludosum, Sulliv 160 



radicale, Brid 161 



reptile, MX 161 



rugosum, Ehrh 161 



serpens, L 161 



strigosum, Hoffm 160 



subtile, Hoffm 161 



uncinatum, Hedw 161 



lonidium, Vent 11 



lineare, Torr 11 



Ipomsea 



leptophylla, Torr 108 



IRIDACEJS 133 



Iris 



tenax, Dougl 133 



Page. 



Iva 



axillaris, Pursh 69 



ciliata, Willd 69 



xanthiifolia, Gray 69 



Jamesia, T. &G 41 



Americana, T. & G 41 



JASMINES 114 



JUNCACE.E 135 



Juncus 



alpinus, Vill 137 



arcticus, Willd 136 



articulatm, Willd 137 



Balticus, Deth 136 



buf onius, L 137 



castaneus, Smith 136 



Drummondii, E. Meyer 136 



ensifolim, Hook 137 



Hallii, Engelm 136 



longistylis, Torr 137 



Mertensianus, Bong 137 



Menzlesii, Gray 137 



nodosus, L 137 



Parryi, Engelm 136 



triglumis, L 136 



xiphioides, E . Meyer 137 



Juniperus 



communis, L . 132 



Virginiana, L 132 



Kallstro3mia, Scop 17 



maxima, T. & G 17 



Kalmia 



glauca, Ait 88 



Kobresia 



scirpina, Willd 138 



Kceleria 



cristata, Pers 149 



Kuhnia 



eupatorioides, L 55 



LABIATJE 98 



Lathy rus 



linearis, Nutt 32 



ornatus, Nutt 



palustris, L 32 



polymorphus, Nutt 32 



pubescens, Nutt 32 



venosus, Muhl 32 



Lecanora 



Brunonis, Tuckerm 162 



calcarea (L.), Somf 162 



cervina (Pers.), Nyl 162 



chlorophana (Wahl.), Ach 162 



cinerea, L 162 



muralis (Schreb.), Schser 162 



rubina,Ach 162 



straminea, Wahl 162 



subf usca, Ach 162 



varia, Fr 162 



xanthophysa, Nyl 162 



Lecidea 



atro-brunnea (DC.), Schser 163 



confluens, Schaer 163 



contigua, Fr 163 



enteroleuca Fr 163 



lapicidea, Ach 163 



lugubris (Somf.), Nyl 163 



LEGUMINOS.E 19 



Lemna 



minor, L 132 



LEMNACE^E 132 



