154 University of California Publications in Botwiy [VOL. 7 



nevadensis Hark., 224. 

 oblongus Vize, 218. 

 occidentalis Diet., 219. 

 Peckianus Farlow, 191. 

 Polygon! (Pers.) Fuckl., 202. 

 prominens (DC) Pass., 222. 

 pulehellus Ell. and Ev., 207. 

 punctatus Schroet., 220. 



Euelliae Holw., 227. 

 Scirpi (Cast.) Burrill, 192. 

 Spragueae Hark., 205. 

 Trifolii (Hedw.) Lev., 221. 

 Zygadeni Peck, 200. 

 Uropyxis Amorphae (Curt.) Schroet., 



229, 

 sanguinea (Peck) Arth., 230, 60. 



VIII. INDEX TO HOST PLANTS 



Abies balsamea, 7, 177; concolor, 7; 



Fraseri, 7; grandis, 184; lasiocarpa- 



184; magnifica, 7; nobilis, 184. 

 Abronia pinetorum, 70. 

 Acacia Gregii, 181. 

 Acaena tridactyla, 185. 

 Achillea millefolium, 168. 

 Aconitum columbianum, 208. 

 Adenostegia pilosa, 140; rigida, 140. 

 Agoseris barbellata, 172; hirsuta, 



172; plebiea, 172. 

 Agropyron Parishii, 51. 

 Agrostis alba, 63; diegoensis, 63; 



pallens, 190. 

 Allium falcifolium, 82; precox, 85; 



serratum, 82; unifoliura, 196; vali- 



dum, 195, 196. 

 Althea rosea, 107. 

 Ambrosia psilostachya, 193. 

 Ainelanchier alnifolia, 18, 19; pallida, 



18, 232. 



Amorpha californica, 229. 

 Andropogon sorghum var. halypensis, 



65. 



Angelica tomentosa, 122. 

 Antirrhinum assurgens, 141; majus, 



141; nudicum, 141; Nuttalianum, 



141; vagans, 141; virga, 141. 

 Aplopappus squarrosus, 173. 

 Aquilegia truncata, 51. 

 Arabia areuta, 100; Breweri, 100; 



Holboelii, 100; palefacieus, 100; 



perennans, 100. 

 Arbutus Menziesii, 179. 

 Arctostaphylos Hookeri, 179; patula, 



179. 



Aristida bromoides, 49. 

 Armeria vulgaris, 225. 

 Artemisia californica, 156; Douglas- 



iana, 151; dracunculoides, 151; 



elatior, 151; heterophylla, 151, 156; 



Suksdorfii, 151; tridentata, 151. 

 Asarum caudatum, 92; Lemonii, 92. 

 Asparagus officinalis, 83. 

 Aster Chilensis, 11, 152; Menziesii, 



11; occidentalis, 72; radulinus, 11; 



sp., 11, 72. 

 Astragalus leucopsis, 220; lentigino- 



sus, 220; Menziesii, 220; Preussii, 



220; Purshii, 220; pychnostachys, 



220. 



Athyrium cyclosorum, 183. 

 Atriplex sp., 191. 

 Audibertia Palmeri, 136. 

 Avena barbata, 63, 66; fatua, 63; 



sativa, 63. 

 Baccharis consanguinea, 16; pilularis, 



16; viminea, 17. 

 Balsamorrhiza deltoidea, 153; sagit- 



tata, 153. 



Beloperone californica, 227. 

 Berberis nervosa, 230; pinnata, 54, 



230; repens, 230. 

 Beta chicla, 203; vulgaris, 203. 

 Bidens expansa, 228; pilosa, 228. 

 Boisduvalia densiflora, 117; sparsi- 



flora, 117. 



Brodiaea capitata, 87, 88, 197. 

 Bromus carinatus, 51; hordaceus, 51; 



marginatus, 51; villosus, 51. 

 Calochortus albus, 84; bisceptrum, 



84; elegans, 84; maweanus, 84; 



venustus, 84. 

 Caltha Howellii, 102. 

 Calylptridium umbellatum, 205. 

 Campanula persicifolia, 9. 

 Carex Douglasii, 73; marcida, 80; 



obnupta, 75; siccata, 81; usta, 73; 



sp., 72. 

 Castilleja douglasii, 12; foliolosa, 12, 



142; latifolia, 12; Martini, 12; min- 



iata, 12, 13 ; Wightii, 12. 



