SOUTHERN CALIFORNIA ACADEMY OF SCIENCES 35 
Gnaphalium leucocephalum, Gray. Chase Chase. 
Melampodium cinerum, Gray. Frequent. 
Parthenium incanum, H. B. K. Above Metealf. 
Iva dealbata, Gray. Hachita, N. M. 
Iva ambrosiaefolia, Gray. Generally distributed. 
Ambrosia aptera, D. C. Dunean. 
Zinnia anomala, Gray. Hachita, N. M.; September. 
Zinnia grandiflora, Nutt. Common. 
Zinnia pumila, Gray. Frequent 
Sanvitalia aberti, Gray. Shady eround above 4000 ft. alt. 
Eclipta alba, Hass. Duncan. 
Gymnolomia multiflora hispid>, Greene. Chase Creek. 
Viguiera helianthoides, H.B.!\. Blue River; September. 
Encelia farinosa, Gray. Frequent. 
Encelia frutescens, Gray. Dry banks. 
Verbesina rothrockii, Rob. & G. Hachita, N. M.; Sept. 
Verbesina encelioides, B. & H. Comiaon. 
Bidens bipinnata,.. Above Metealf. 
Heterospermun pinnatum, Gray. Carfield, Blue River. 
Layia elegans, T. & G. Common. 
Baileya multiradiata, H. & G. Very common. 
Laphamia ambrosoefolia, Greene. In clefts of sandstone rock, 
just south of Clifton; September. 
Eriophyllum lanosum, Gray. Clifton. 
Bahia absinthifolia dealbata, Gray. Lh. 
Bahia chrysanthemoides, Gray. Dry washes. 
Hymenothrix wislizeni, Gray. Rocks near Dunean. 
Hymenothrix wrightii, Gray. Frisco River, Clifton. 
Hymenopappus flavescens. Ward’s Canyon. 
Chenactis carphoclinia, Gray. Common. 
Picradenia davidsoni, Greene. Common, on Frisco and Gila 
River sands. Type loeality, April. 
Gaillardia pulchella, Foug. Frequent. 
Flaveria repanda, Lag. Dunean. 
Pectis prostrata, Cav. Sheldon: September. 
Pectic angustifolia, Torr. Common: September. 
Pectis filipes, Gray. Metcalf; September. 
Pectis longipes, Gray. Metealf: Mey. 
Artemesia ludoviciana, Nutt. Frequent. 
Artemesia mexicana, Willd. Common. 
Bebbia juncea, Greene. River canyons. 
Senecio Neo-mexicanus, Gray. Common. 
Senecio eremophilus, Richards. Tanner’s (pyvon: November. 
Senecio dougiasii, D. C. Common. 
Senecio parryi, Gray. Metealf and Blue Rivers: September. 
