204 
LEGUMINOS#: Pulse family—Continued. 
Dalea spinosa,Gray. Four to 15 feet. 
Olneya Tesota, Gray. ‘‘Iron-Wood.” Small tree 15 to 20 feet high. 
Cercis occidentalis, Torr. Red-Bud, Judas tree. Small tree 10 to 15 feet high. 
Parkinsonia Torreyana, Watson. “Palo Verde.” A tree 20 to 30 feet high. 
Prosopsi juliflora,! DC. ‘Honey Mesquit.” <A tree 30 to 40 feet high. 
Prosopis pubescens,! Benth. ‘‘Screw-Pod Mesquit.” <A tree 15 to 30 feet high. 
Acacia Greggii,| Gray. Cat’s Claw. Small tree 10 to 20 feet high. 
Calliandra eriophylla, Benth. 
LILIACE: Lily family. 
Nolina Parryi, Watson. 
Nolina Bigelovii, Watson. 
Yucca baccata,? Torr. ‘‘Spanish Bayonet.” ‘Mexican Banana.”” Sometimes 20 feet. 
MaLvacE: Mallow family. 
Malvastrum Thurberi, Gray. Woody base. 
OLEACEZ: Olive family. 
Fraxinus dipetala, Hook. & Arn. Small tree. 
Forestiera Neo-Mexicana, Gray. 
PaLM: Palm family. 
Washingtonia filifera, Wendl. Twenty to 40 feet high and 2 to 3 feet in diameter. 
PAPAVERACEE: Poppy family. 
Romneya Coulteri, Harv. Four to 15 feet. 
Dendromicon rigidum, Benth. Two to 8 feet high. 
PLATANACE: Plane-tree family. 
Platanus racemosa, Nutt. “ Buttonwood.” Sycamore. Large tree, often 100 feet. 
POLYGALACEZ: Milkwort family. 
Krameria parvifolia, Benth. One to 2 feet high. 
Krameria canescens, Gray. One to 2 feet high. 
POLEMONIACEZ: Polemonium family. 
Gilia Californica, Benth. Shrub 2 to 3 feet high. 
Gilia pungens, Benth., var. Hookeri, Gray. Low shrub. 
RHAMNACEZ: Buckthorn family. 
Zizyphus Parryi, Torr. Four to 15 feet high. 
Zizyphus lycioides, var. canescens, Gray. 
Condalia spathulata, Gray. 
Rhamnus, crocea, Nutt. Three to 15 feet high. 
Rhannus crocea, Nutt., var. pilosa,® Trelease. 
Rhamnus Californica, Esch. Four to 18 feet high; var. tomentella more southern. 
Adolphia Californica, Watson. Two feet high. 
Ceanothus thyrsiflorus, Esch. 
Ceanothus sorediatus, Hook. & Arn. : 
Ceanothus cordulatus, Kellogg. 
- Ceanothus divaricatus, Nutt. 
Ceanothus integerrimus, Hook. & Arn. Two to 3 feet high. 
Ceanothus crassifolius, Torr. Four to 12 feet high. 
Ceanothus cuncatus, Nutt. Three to 12 feet high. 
Ceanothus rigidus, Nutt. Five feet. 
Ceanothus verrucosus, Nutt. 
RosacE&: Rose family. 
Prunus demissa,t Walpers. Wild Cherry. Shrub or small tree. 
Prunus ilicifolia, Walpers. ‘‘Islay.” A shrub 8 to 12 feet high; evergreen. 
Prunus fasciculata, Gray. Two to 3 feet high. 
Prunus Fremonti, Watson. 
Spirea discolor, Pursh., var. dumosa, Watson. Low shrub. 

i Seo pp.171,172. 2 Sco No. 88, p.189. * Sco Bull. Calif. Acad.,2d.S.I.,271. 4 See No. 47, p. 174. 

