Index. 



55 



PAGE. 



Cyclocloma 43 



Cyrnopterus 18 



Cyperacese 50 



Cyperus 50 



Dactylis 52 



Dalea 10 



Datura 37 



Delphinium 4 



Deschampsia 52 



Distichlis 52 



Draba 5 



Dracocephalum 41 



Dysodia 26 



Eatonia 52 



Echinocystis 17 



Echinospermum 35 



Eleocharis 50 



Ellisia 34 



Elymus 53 



Epilpbium 15 



Equisetum 53 



Eragrostis 52 



Erigeron 22 



Eriogonuni 45 



Erodium 9 



Erysimum 5 



Euphorbia 46, 47 



Euphorbiacese 46 



Eurotia 44 



Eustoma 32 



Evolvulus 36 



Festuca ; .... 53 



Fragaria 13 



Franseria 23 



Froelichia 43 



Fumariacese 4 



Galiutn 19 



Gaura 16 



Gayophytum 15 



Gentiana 32 



Gentranacese 32 



Geraniaceae 8 



Geranium 8 



Gerardia 39 



Geum 13 



Gilia 33 



Glmx 31 



Glyceria 53 



Glycyrrlriza 11 



Gnaphalium 23 



Graminese 50 



.Grindelia 20 



Gutierrezia .. 20 



Gymnolomia 24 



Hedeoma 40 



Helen him ... ..26 



Helianthus 24, 25 



Heliotropium 34 



Heracleum 18 



Hordeum 53 



Humulus 47 



Hydrophyllacese 34 



Hymenatherum , 26 



Hymenopappus 26 



Ipomcea 36 



Iridaceaa 48 



Iris 48 



Iva 23 



Juncacege 49 



Juncus 49 



Koeleria ......... 52 



Krynitzkia 35 



Kuhnia 19 



Labiatse 40 



Lactuca 30 



Lathyrus 13 



Leguminosse 9 



Lemna 50 



Lemnacese...' 50 



Lepachys 24 



Lepidium (-> 



Lesquerella 6 



Leucocrinum '. 48 



Liatris. 20 



Liliaceae 48 



Linacese 8 



Linum '. 8 



Lippia. - 40 



Lithospernmrn 35, 36 



Loasacese 17 



Lobelia 30 



Lobeliacese 30 



Lonicera 19 



Lupinus 10 



Luzula 49 



Lychnis 7 



Lycopus 40 



Lygodesmia , 29 



Lythracese 15 



Lythrum 15 



Malva 8 



Malvaceae 8 



Malvastrum 8 



Mamillaria 17 



Marsilia 53 



Medicago 10 



Melilotus 10- 



Mentha 40 



Mentzelia 17 



Mertensia 35 



Mimulus 38 



Monarda 41 



