INDEX 



HEUCHERA, F, 47, 73 

 HIBISCUS, F, 66 

 HIERACIUM, F, 117 

 HIEROCHLOE, G, 11 

 HILARIA, G, 11 

 HIPPURIS, F, 73 

 HOFFMANSEGGIA, T&S, 52 

 HOFMEISTERIA, F, 117 

 HOLCUS, G, 9 

 HOLODISCUS, T&S, 50 

 HOLOSTEUM, F, 33 

 Homalobus 



acerbus, F, 58 



acutiiostris, F, 53 



aculeatus, F, 58 



brachycarpus, F, 58 



caespitosus, F, 58 



californicus, F, 53 



collinus, F, 54 



coltoni, F, 54 



convallarius, F. 54 



curvicarpus, F, 54 



decumbens. F, 56 



decurrens, F, 56 



detritalls , F, 54 



dispar, F, 58 



divergens, F, 56 



dodgeanus, F, 58 



episcopus, F, 55 



exilifolius, F, 58 



filipes, F, 55 



flexuosus, F, 55 



glabriusculus, F, 53 



grallator, F, 53 



humilis, F, 56 



hylophilus, F, 56 



inversus, F, 55 



junceus, F, 54 



junciformis, F, 55 



lancearius, F, 55 



lingulatus, F, 58 



lonchocarpus, F, 56 



macgregorii, F, 55 



macrocarpa, F, 56 



microcarpus, F, 56 



oblongifolius, F, 56 



paucijugus, F, 56 



plummerae, F, 55 



simplicifolius, F, 58 



strigulosus, F, 58 



subglaber, F, 54 



tegetarioides, F, 58 



tegetarius , F, 58 



tenellus , F, 58 



tenuifolius, F. 56 



uniflorus, F. 58 



vexilliflexus, F, 58 



wingatanus, F, 58 

 Homopappus, F, 115 

 Honeysuckle, T&S, 100 

 Hoorebekia, F, 115 

 Hookera , F, 16, 17 

 Hophornbeam, T&S, 21 

 Hops, F, 21 

 Hopsage, T&S, 29 

 Hop-tree, T&S, 64 

 HORDEAE, G, 7 

 HORDEUM, G, 8 



BRACHYANTHERUM, G, 8 



boreale, G, 8 



caespitosum, G, 8 



caput -medusae, G, 8 



DEPRESSUM, G, 8 



DISTICHON, G, 8 



elymoides, G, 8 



HYSTRK, G, 8 



gussoneanum, G, 8 



JUBATUM, G, 8 



CAESPITOSUM, G, 8 



LEPORINUM, G, 8 



murinum, G, 8 



nodosum, G, 8 



brachyantherum, G, 8 

 depressum, G, 8 



PUSILLUM, G, 8 

 PUBENS, G, 8 



STEBBINSH, G, 8 



trifurcatum, G, 8 



virginicus, G, 8 



VULGARE, G, 8 



TRIFURCATUM, G, 8 

 Horehound, F, 92 

 HORKELIA, F, 50 

 Horn wort, F, 35 

 Horsebrush, T&S, 123 

 Horse -purslane, F, 31 

 Horsetail, F, 2 

 Hosackia , F, 59 

 Hound's Tongue, F, 90 

 HOUSTONIA, T&S, 100 

 Huckleberry, T&S, 78 

 Huegelia, F, 82 

 HULSEA, F, 117 

 HUMULUS, F, 21 

 HUTCHINSIA, F, 42 

 Hydatica , F, 48 

 HYDROCHARITACEAE, F, 4 

 HYDROCOTYLE, F, 75 

 HYDROPHYLLACEAE, F, 86 

 HYDROPHYLLUM, F, 86 

 HYMENOCLEA, T&S. 117 

 HYMENOPAPPUS, F, 117 

 Hymenophysa, F, 40 

 HYMENOXYS, F, 117 

 HYOSCYAMUS, F, 93 

 HYPERICACEAE, F, 67 

 HYPERICUM, F, 67 



Ibidium, F, 19 

 IDAHOA, F, 42 

 ILIAMNA, F, 66 

 Dysanthes, F, 95 

 IMPERATA, G, 12 

 Incense-cedar, T&S, 2 

 Indian -- 



grass, G, 12 



hemp, F, 80 



potato, F, 76 



wheat, F, 100 

 Indian Paintbrush, F, 94 

 Indigo Bush, T&S, 59 

 INULA, F, 118 

 Inyonia , T&S, 120 

 Iodine Bush, T&S, 28 

 Ionactis, F, 106 

 Ipomopsis 



aggregata, F, 82 

 arizonica, F. 82 

 attenuata, F. 82 

 bridgesii, F, 82 

 formosissima, F, 82 



arizonica, F, 82 



bridgesii, F, 82 



congesta, F, 82 

 montana, F, 82 



depressa, F, 83 



frutescens, F, 82 



gunnisoni, F, 83 



laxiflora, F, S3 



longiflora, F, 83 



multiflora , F, 83 



polyantha, F, 83 



polycladon, F, 83 



pumilus, F, 83 



roseatus, F, 83 



spicata, F, 83 



tenuituba , F, 83 

 IRIDACEAE, F, 18 



IRIS, F, 18 

 ISATIS, F, 42 

 Isnardia, F, 70 

 Isocoma , F, 116 

 ISOETACEAE, F, 2 

 ISOETES, F, 2 

 rVA, F, 118 

 IVESIA, F, 50, 51 



Jacksonia, F, 46 



JAMES IA, T&S, 46 



JANUS IA, T&S, 64 



Jerusalemoak, F, 29 



Jimson Weed, F, 93 



Johnson Grass, G, 12 



Johnstonella , F, 89 



Jonesiella 



arctus. F, 57 

 asclepiadoida, F, 53 

 mearnsii, F, 57 

 pattersoni, F, 57 

 praelongus, F, 57 

 sabulosus, F, 58 



Joint -fir, T&S, 3 



JUG LANDAC E A E , T&S, 21 



JUGLANS, T&S, 21 



JUNCAGINACEAE, F, 4 



JUNCACEAE, GL, 15 



JUNCUS, GL, 15 



Juncoides, GL, 16 



June Grass, G, 9 



Juniper. T&S. 3 



JUNIPERUS, T&S, 3 



Jussieua, F. 72 



KALMIA, T&S, 78 



KELLOGGIA, T&S, 100 



Kentrophyta 



aculeata, F, 58 

 coloradensis, F, 55 

 impensa, F, 55 

 minima, F. 58 

 montana, F. 55 

 tegetarius, F, 58 

 ungulata. F, 55 

 virida, F, 55 



Kittentails, F. 93, 99 



KOBRESL\, GL. 15 



KOCHIA, F, 29 



KOELERIA, G, 9 



Knotweed, F. 26 



KRAMERIA, T&S, 52 



Krynitzkia 



affinis , F. 89 

 ambigua. F. 89 

 angustifolia, F, 89 

 barbigera, F. 89 

 circumscissa, F. 89 

 crassisepala. F. 89 

 cycloptera. F, 90 

 decipiens, F, 89 

 denticulata , F, 89 

 depressa, F, 88 

 dumetora, F. 89 

 echinoides, F, 88 

 fendleri, F, 89 

 fulvocanescens, F, 88 

 jonesii, F. S9 

 maritima, F, 89 

 mensana, F, 89 

 mixta , F. 89 

 multicaulis, F, 88 

 abortiva . F. 88 

 suffruticosa. F, 88 

 pattersonii. F, 89 

 racemosa, F, 90 

 ramosissima, F, 89 

 sericea, F, 89 

 setosissima, F, 89 



torreyana, F, 90 

 utahensis , F, 90 

 watsonii , F, 90 



LABIATAE, F, 92 

 Labrador Tea. T&S. 78 

 LACTUCA, F, 118 

 Ladiestresses. F, 19 

 Lady s thumb, F, 26 

 Ladyslipper, F, 19 

 LAGOPHYLLA, F, 118, 119 

 Lambsquarter s , F, 29 

 LAMIUM, F, 92 

 LANG LOIS IA, F, 83 

 LAPHAMIA, T&S, 118 

 Lappa . F, 103 

 LAPPULA, F, 90 

 Larch, T&S, 2 

 LARK, T&S, 2 

 Larkspur, F, 36 

 LARREA, T&S, 64 

 Lastarriaea. F. 22 

 Lasthenia. F, 114 

 LATHYRUS, F, 59 

 Laurel, T&S, 78 

 Laurentia, F, 102 

 Lavauxia 



flava. F. 72 



howardi, F, 71 



lobata , F, 73 



primiveris, F, 73 



wrightii. F, 71 

 LAYIA, F, 118 

 Lebetina, F. Ill 

 LEDUM, T&S, 78 

 LEERSIA, G, 11 

 Legouzia , F. 102 

 LEGUMINOSAE, F and T&S, 52 

 Leiostemon. F. 96 

 LEMNA, F, 15 

 LEMNACEAE, F, 15 

 LENTIBULARIACEAE, F, 99 

 Leontodon , F. 123 

 LEONURUS, F, 92 

 Lepachys , F, 120 

 Lepargyraea. T&S, 70 

 LEPIDIUM, F and T&S. 40, 42 

 LEPIDOSPARTUM, T&S. 118 

 Leptasea 



austromontana, F. 48 



chrysantha. F, 48 



flagellarisT F, 48 



tolmiei . F, 48 

 Leptilon . F. 110 

 LEPTOCHLOA, G, 11 

 LEPTODACTYLON, T&S, 83 

 Leptoseris, F. 119 

 Leptosiphon. F. 84 

 Leptotaenia, F. 75 

 LESQUERELLA, F, 43 

 Lettuce, F, 118 

 Leucanthemum, F, 107 

 LEUCELENE, F, 118 

 Leucocraspedum, F. 79 

 LEUCOCRINUM, F, 17 

 Leucosyris, F. 106 

 LEWISIA. F, 32 

 LIBOCEDRUS, T&S, 2 

 Licorice, G, 59 

 LIGUSTICUM, F, 75 

 Ligusticella, F. 77 

 LILAEACEAE, F, 4 

 LILAEA, F, 4 

 LILIACEAE, F, 16 

 LILIUM, F, 17 

 Lily— 



alp, F, 17 



bead, F, 17 



Columbia, F, 17 



152 



