CAPER FAMILY 11 



8755; Oceanside (Erythea 6:88); Pala Mission, Jepson; San Pasqual Valley, San Diego Co., 

 Jepson; Mt. Soledad, w. San Diego Co., Newlon 331. 



Var. globosa Cov. Capsules globose to broadly elliptic, abrupty short-pointed, 1 to 1% inches 

 long. — Coast Ranges from western Fresno Co. to San Diego Co. and east to the Tehachapi Eange, 

 500 to 4000 feet. This variety is merely an extreme form which is connected with the species by 

 intermediate states, although it ranges farther northward than the typical shrub. 



Locs. — San Diego; Santa Catalina Isl., Geo. B. Grant; Santa Rosa Isl. ; Redondo, Braunton 

 321 ; mts. above Castiac Lake near Tejon Pass, Jepson 8935 ; Rowen, Tehachapi Mts., Jepson 

 6735; Caliente, Heller 7628; Santa Maria; Mercy Creek, Little Panoche Pass, E. C. Van Byhe. 



Var. insularis Jepson vax. n. Capsules with tapering or salverf orm bases, the apical point or 

 cusp often very strong. — (Capsulae basi attenuatae vel hypocrateriformes, cuspibus apicalibug 

 saepe robustissimis.) — Santa Catalina Isl.; Santa Rosa Isl. (T. Brandegee, type). 



Var. angustata Parish. Capsules 1^^ to 2% inches long, little inflated or scarcely at all, 

 strongly attenuate to both ends, 1% to 2% inches long, 2i^> to 7 lines thick at the middle. — Te- 

 hachapi Mts. to west side of Colorado Desert. South to Lower California. 



Locs. — Tehachapi, Ahrams 10,789; Twenty-nine Palms, T. Brandegee; Borrego Sprs., T. 

 Brandegee. 



Refs. — IsOMERis AJiBORBA Nutt. ; T. & G. n. 1:124 (1838), tvpe loc. San Diego, Nuttall; 

 Cov. Contrib. U. S. Nat. Herb. 4:67 (1893) ; Abrams, Bull. N. Y. Bot. Card. 6:363 (1910) ; Jep- 

 son, Man. 407 (1925). Var. globosa Cov. Proc. Biol. Soc. Wash. 7:73 (1892), type loc. Caliente 

 Creek, Kern Co., Coville 1107; Contrib. U. S. Nat. Herb. 4:67, pi. 4 (1893) ; Jepson, Man. 407 

 (1925). 7. glohosa Hel. Muhl. 2:50 (1905). Var. insularis Jepson. Var. angustata Parish, 

 Muhl. 3:128 (1907), type loc. Palm Sprs., Parish. I. angustata Parish; Dav. & Mox. PI. S. Cal. 

 161 (1923). 



2. POLANISIA Raf. 



Viscid-glandular heavy-scented annuals. Leaves palmately 3 to 5-foliolate. 

 Flowers in a terminal raceme, with simple bracts. Stamens 8 to 32. Petals com- 

 monly clawed. Receptacle with a gland behind the ovary. Ovary sessile or short- 

 stipitate. Capsule linear to oblong, many-seeded, erect, on spreading pedicels. — 

 Species about 14, North America. (Greek polus, many, and anisos, unequal, re- 

 ferring to the stamens. ) 



1. P. trachysperma T. & G. Stem erect, branching from below, 7 to 12 inches 

 high; leaflets 3, narrowly ovate to oblanceolate, 6 to 9 lines long; petals white, 

 obovate, strongly notched, clawed; stamens 9 to 16; capsule linear-lanceolate, 

 turgid, 1 to 21^ inches long. 



Dry loose gravelly or sandy soil, 4500 to 5000 feet: northeastern Modoc Co. 

 South to Mexico, east to the Great Plains and north to Washington. July- Aug. 



Loc. — Granger Canon, foothills of the Warner Mts., L. S. Smith 1057. 



Eefs. — PoLANisiA TRACHYSPERMA T. & G. Fl. 1:669 (1840), type from Texas, Drummond; 

 Jepson, Man. 407 (1925). 



3. CLEOME L. Spider Plant 



Ours annuals. Leaflets 3, sometimes 5, entire. Flowers yellow or purple, in 

 racemes. Sepals distinct or united at base. Capsule oval to linear, pendulous or 

 erect. Seeds several to many, round-reniform. — Species about 110, all continents 

 in tropical and warm regions. (Ancient name of some European mustard-like 

 plant. ) 



Calyx 4-cleft; stamens longer than petals; capsule linear, pendent. 



Flowers purple 1. C. serrulata. 



Flowers yellow 2.C.lutea. 



Calyx of 4 distinct sepals. 



Stamens much longer than petals; capsule oval or oblong, pendent 3. C. platycarpa. 



Stamens not longer than petals ; capsule linear, erect on its stipe 4. C. sparsifolia. 



1. C. serrulata Pursh. Rocky Mountain Bee Plant. Stem erect, simple or 

 branching, 1 to 3 feet high; herbage glabrous; leaflets 3, oblong or oblong-lanceo- 

 late, entire, 1 to 2 inches long; flowering racemes dense; calyx-lobes mucronate or 



