180 MISC. PUBLICATION 101, U. S. DEPT. OF AGRICULTURE 
Dendromecon spp., Diervilla lonicera, Echinocactus spp., Hehinocereus spp., 
Edwinia americana, Epigaea repens, Eriodictyon californicum, Fendlera rupi- 
cola, Leucothoé davisiae, Lonicera spp., Lycium spp., Mammillaria spp., Odos- 
temon spp.. Opulaster spp., Opuntia spp., Philadelphus spp., Phyllodoce spp., 
Rhododendron californicum, Ribes spp., Robinia spp., Rosa spp., Sericotheca 
spp., Spiraea spp., Styrax californica, Symphoricarpos spp., Tecoma stans, 
Viburnum spp. 
POISONOUS SPECIES 
Aesculus californica, Aplopappus heterophyllus (=Isocoma wrightiti), Ar- 
temisia spinescens, Aster parryi (=Xylorrhiza parryi), Azalea occidentalis, 
Acaleastrum «aibifiorum, Baccharis ramulosa, B. sarothroides, Calycanthus 
occidentalis, Croton neomexicanus, Cytisus scoparius, Dendromecon rigida, 
Dodonaea viscosa angustifolia, Gutierrezia sarothrae, Hypericum spp., Kalmia 
microphylla, Ledum glandulosum, Leucothoé davisiae, Menziesia ferruginea, 
Menziesia glabella, Nicotiana glauca, Parosela spp., Prunus spp., Quercus spp., 
Rhododendron californicum, Robinia neomexicana, Sapindus drummondi, 
Sophora secundiflora (=Broussonetia secundifiora), Tetradymia glabrata, 
Toxicodendron spp., Ungnadia speciosa. 
SOME OUTSTANDING GENERA AND SPECIES OF HABITAT 
INDICATORS 
Alnus spp., Artemisia incompta, Artemisia tridentata, Atriplex spp., Bac- 
charis spp., Betula spp., Buwmelia spp., Chrysothamnus spp., Coleogyne ramosis- 
sima, Covillea tridentata, Eurotia spp., Gutierrezia spp., Hymenoclea monogyra, 
Salix spp., Sambucus spp., Sarcobatus vermiculatus. 
LITERATURE CITED 
(1) ABRAms, L. 
1923. AN ILLUSTRATED FLORA OF THE PACIFIC STATES, WASHINGTON, 
OREGON, AND CALIFORNIA. I OPHIOGLOSSACEAE TO ARISTOLOCHIA- 
CEAE. 557 p., illus. 
(2) Atpous, A. E., and SHaANTz, H. L. 
1924. TYPES OF VEGETATION IN THE SEMIARID PORTION OF THE UNITED 
STATES AND THEIR ECONOMIC SIGNIFICANCE. Jour. Agr. Research 
28: 99-128, illus. 
(3) AMERICAN JOINT COMMITTEPR ON HoRTICULTURAL NOMENCLATURE. 
1923. STANDARDIZED PLANT NAMES. Prepared by F. L. Olmsted, F. 
V. Coville, and H. P. Kelsey. 546 p. Salem, Mass. 
(4) Battery, L. H. 
1914. THE STANDARD CYCLOPEDIA OF HORTICULTURE. [Rewritten, enlarged, 
and reset.] 6 v., illus. New York. 
(5) Batiery, V. 
1923. SCURCES OF WATER SUPPLY FOR DESERT ANIMALS. Sci. Mo. 17: 
66—86, illus. 
(6) Beary, O. A. 
1919. PoIsSoONOoUS PLANTS. Ann. Meet. Soc. Prom. Agr. Sci.: Proe. 39: 
38947. 
(7) ——— 
1920. CHEMICAL AND PHARMACOLOGICAL EXAMINATION OF THE WooDy 
ASTER. Wyo. Agr. Expt. Sta. Bul. 128, p. [41]—66, illus. 
(8) 
1921. POISONOUS PLANTS OF WYOMING. Wyo. Agr. Hxpt. Sta. Bul. 126, — 
35 p., illus. a 
(9) BripweE LL, G. L., and Wooron, E. O. 
1925. SALTBUSHES. AND THEIR ALLIES IN THE UNITED STATES. U. S. a) 
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(10) Brack, O. F., and Ketry, J. W. 
1927. PSEUDO EPHEDRINE FROM EPHEDRA ALATA. Amer, Jour, Pharm. 
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(11) Buyru, A. W. | 
1884. OLD AND MODERN POISON LorRE. Internatl. Health Exhib. Lon- 
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