30 Bulletin Santa Barbara Society of Natural History. Vol. I 



Dendromecon flexile, Greene, Santa Cruz Island. 



Lavatera assurgentiflora, Kellogg, Channel Islands, introduced to main land. 



Malvastrum Thurberi, Gray, sides of canons in mountain regions. 



Malvastrum Thurberi, variety laxiflorum, Gray, Santa Cruz Island. 



Malvastrum exile, Gray, Santa Cruz Island. 



Malvastrum splendidum, Kellogg, Bartlett Cafion. 



Fremontia Califurnica, Torrey, Alaqueda Cafion, San Rafael Mountains. 



Ceanothus thyrsiflorus, Eschscholtz, mountain sides. 



Ceanothus spinosus, Nutt., throughout the county. 



Ceanothus dentatus, Torr., and Gray, dry hills near Santa Barbara. 



Ceanothus hirsutus, Nutt., near Santa Barbara. 



Ceanothus divaricatus, Nutt., throughout the county. 



Ceanothus crassifolius, Torr., Santa Cruz Island and mountains of main land. 



Ceanothus arboreus, Greene, Santa Cruz Island. 



Ceanothus cuneatus, Nutt., common near Santa Barbara. 



Ceanothus rigidus, Nutt., Point Sal. 



Ceanothus rigidus, Nook, and Am., San Rafael Mountains. 



Rhamnus Purshiana, D. C, Santa Ynez Mountains. 



Rhamnus Californica, Eschscholtz, throughout the county. 



Rhamnus insularis, Kellogg, Santa Cruz Island. 



Rhus diversiloba, Torr. and Gray, throughout the county. 



Rhus integrifolia, Benth. and Hook., along the sea coast. 



Rhus aromatica, variety trilobata, Gray, Rincon Cafion. 



Rhus laurina, Nutt., throughout the county. 



Rhus ovata, Watson, Channel Islands. 



Lupinus arboreous, Sims., islands and main land. 



Lupinus rivularis, Dougl., variety latifolius, Watson, river bottoms. 



Lupinus Chamissonis, Esch., islands, common on main land. 



Lupinus, Douglasii, Agardh., throughout the county. 



Pickeringia montana, Nutt., Santa Cruz Island and San Rafael Mountains. 



Amorpha Californica, Linn., cafions near the sea. 



Prunus occidentals, Lyon, Santa Cruz Island. 



Prunus demissa, Walpers, San Rafael Mountains. 



Prunus ilicifolia, Walpers, common throughout the county. 



Prunus Andersonii, Gray, sandy hiils near Purissima Mission. 



Prunus emarginata, Walpers, San Rafael Mountains. 



Rubus ursinus, Cham., Santa Cruz Island and main land. 



Rubus Nutkanus, Mocino, Summit of Tranquillon Mountain. 



Nuttalia cerasiformis, Torr. and Gray, common on mountain sides. 



Spirea discolor, Pursh., Santa Ynez and San Rafael Mountains. 



Spirea discolor, variety ariasfolia, Watson, near Purissima Mission. 



Cercocarpus parvifolius, Gray, mountains of the county. 



Cercocarpus parvifolius, Gray, var. glaber, Watson, Santa Cruz Isl. and main land. 



Adenostoma fasciculatum, Hook, and Am., throughout the county. 



Rosa Californica, Cham, and Schlect., widely distributed. 



Rosa gymnocarpa, Nutt., mountain slopes. 



Heteromeles arbutifolia, Rcemer. Channel Islands and main land. 



Lyonothamnus asplenifolius, Greene, confined to Santa Cruz Island. 



Amelanchier alnifolia, Nutt., San Rafael Mountains. 



Philadelphus Gordonianus, Lindl., rare in this county. 



Ribes speciosum, Pursh., throughout the county. 



Ribes Menziesii, Pursh. , islands and main land. 



Ribes subvestitum, Hook, and Am., Santa Cruz Island. 



Ribes sanguineum, Pursh., throughout the county. 



Ribes sanguineum, variety malvaceum, Gray, Santa Cruz Island. 



Ribes divaricatum, Dougl., Santa Ynez Mountains. 



Ribes aureum, Pursh., near Carpinteria. 



Ribes cereum, Dougl., San Rafael Mountains. 



Cornus Californica, Meyer, banks of Santa Ynez Mountain streams. 



Garrya flavescens, Watson, northeastern portion of the county. 



