448 CELASTRACEAE 



Locs. — Santa Barbara, J. E. Jxoadhousc ; Oxnard, Davy 7809; Santa Monica, Davy 2769; 

 Monrovia Canon, San Gabriel Mts., Peirson 313 ; Los Angeles, E. D. Palmer ; Swain Canon, Santa 

 Catalina Isl., Jepson 3054; Box Springs Mt., Riverside, M. F. Barnes; Cuyamaca Mts. (Bull. 

 N. Y. Bot. Gard. 6:403); La Jolla, Jepson 11,840; Soledad River, Jepson 1613; San Diego, 

 Jepson 6650. 



Refs.— Rhus integrifolia B. & W. Bot. Cal. 1:110 (1876) ; Jepson, Fl. W. Mid. Cal. ed. 2, 

 249 (1911), Man. 608, fig. 605 (1925). SiypJwnia integrifolia Nutt.; T. & G. Fl. 1:220 (1838), 

 based on spms. from San Diego and Santa Barbara, Nuttall. S. serrata Nutt.; T. & G. I.e., based 

 on spms. from San Diego and Santa Barbara, Nuttall. Toxicodendron integrifolium Ktze. Rev. 

 Gen. PI. 1:154 (1891). XeostypJwiiia integrifolia Shaf.; Britt. & Sliaf. N. Am. Trees 612 (1908). 



5. R. ovata Wats. Sugar-Bush. Kounded shrub, the crown often broader 

 than hipfh, or small thick-lieadod tree, 6 to 18 feet high; leaf -blades broadly ovate, 

 brifrlit ^rreen, shininpr, IVl to 21^ inches long, on petioles 4 to 6 lines long; panicle 

 dull-pubernlent or glabrate. 



Dry hills. 200 to 5000 feet : intermontane and cismontane Southern California, 

 most common back from the coast. East to Arizona, south to Lower California. 

 Apr.-May. 



Locs. — Santa Barbara, Dunn; Santa Catalina Isl. (Erythea 7:136); Millards Canon, San 

 Gabriel Mts., Peirson 106; San Bernardino, Parish 2018; San Jacinto River, Jepson 1258; Idyll- 

 wild, San Jacinto Mts., If. F. Spencer ; Temecula River, Jepson 1566 ; Indian Canon, Collins Valley, 

 ne. San Diego Co., Jepson; Warner Pass, e. San Diego Co., Jepson 8534; Mountain Springs grade, 

 e. San Diego Co., Jepson 11,824 ; San Diego, M. F. Spencer 137. 



Refs. — Rhus ovata Wats. Proc. Am. Acad. 20:358 (1885), "San Diego to Los Angeles Co;" 

 Jepson, Fl. W. Mid. Cal. ed. 2, 249 (1911), Man. 609, fig. 606 (1925). Neostyphonia ovata 

 Abrams, Bull. N. Y. Bot. Gard. 6:403 (1910). 



SCHINUS moUjE L. Pepper Tree. Dioecious tree ; leaves pinnate, with numerous lanceolate 

 serrate leaflets; flowers yellowish-green, borne in panicles; stamens 10; drupes globose, red, size 

 of a pea. — Native of Peru, cultivated as a street tree in California ; spontaneous in Santa Ana 

 Canon, Orange Co., and in Temescal Canon, Riverside Co., ace. J. T. Howell. 



KOEBERLINIACEAE. Koeberlinia Family 



Trees or shrubs. Leaves minute or scale-like, alternate, early deciduous. Flow- 

 ers in ours 5-merous, the stamens as many as the petals or twice as many. Ovary 

 superior, seated on a short fleshy stipe or base; placentae axial. — Genera 2, species 

 2, southwestern North America. 



Bibliog. — Loesener, Th., Canotia in Engler «fe Prantl, Nat. Pflzfam. Nachtrage 1:224-225, 

 fig. 128a (1897). Barnhart, J. H., Koeberliniaceae in N. Am. Flora 25 : 101-102 (1910). 



1. CANOTIA Torr. 



Leafless shrub or small tree with slender spinose branchlets. Flowers white in 

 small axillary racemes. Pedicels bracted and jointed above the base. Sepals, 

 stamens and petals 5. Ovary 5-celled; style 1; stigma 1. Capsule woody, septi- 

 cidally 5-valved, the valves 2-cleft. Seeds solitary in each cell, winged. — Species 1. 

 (The Mexican name.) 



1. C. holacantha Torr. (Fig. 225.) Eight to 18 feet high; flowers 2 lines 

 long; capsule oblong, beaked, 9 to 12 lines long, the seeds half as long. 



Dry hills, 4000 to 5000 feet : eastern Mohave Desert. East to Arizona. May- 

 July. 



Locs.— Providence Mts. (Bot. Cal. 1:190) ; Needles (Dav. & Mox., Fl. S. Cal. 214). 

 Refs. — Canotia holacantha Torr. Pac. R. Rep. 4:68 (1857), type loc. Williams River, Ariz., 

 Bigelow; Rothrock, Bot. Wheeler 81, p. 1 (1878) ; Jepson, Man. 609 (1925). 



CELASTRACEAE. Burning Bush Family 



Shrubs with angled branches and simple leaves. Flowers small, perfect in ours, 

 regular or a little irregular, 4 or 5 (or 6)-merous with jointed pedicels. Calyx 

 deeply parted, persistent. Petals inserted under the free margin of a very thick 

 and conspicuous disk which fills the saucer-like base of the calyx. Stamens com- 



