118 CONVOLVULACEAE 



Bracts inserted less than their length below the calyx. 



Low herbaceous plant ; herbage puberulent ; leaf -blades 14 to 1 inch long ; co- 

 rolla yellowish, 1 inch long 10. C. polymorphus. 



Strong woody climber ; herbage glabrous or nearly so ; leaf -blades 1 to 2 or 3 



inches long; corolla white or usually so, 1 to 2 inches long 



11. C. ■purpuratVfS. 

 Bracts distant twice or at least more than their length below the calyx ; leaf -blades 

 V2 to 2 inches long. 

 Stems erect and feebly twining; leaf -blades linear -hastate, less than 3 lines 



wide; corolla white, 1 inch long 12. C. longipes. 



Stems prostrate ; leaf-blades elliptic or oblong-sagittate, very obtuse, more than 

 3 lines wide; corolla white, purplish outside, 8 to 10 lines long 



13. C. arvcnsis. 

 Flowers small, 3 lines long ; leaf -blades linear- to oblong-oblanceolate, without basal lobes ; annual. 



14. C. simnlans. 



1. C. soldanella L. Beach Mokning-glory. Stems prostrate, % to 1% feet 

 loug from deep-seated rootstoeks; herbage glabrous and slightly succulent; leaf- 

 blades thick, decidedly reniform, retuse, mueronulate, deep green and shining, 

 prominently veined, % to 1 or 2V2 inches broad, broader than long, the petioles stout, 

 1 to 3 times as long; eal.yx enclosed in broad membranous bracts 4 to 8 lines long, 

 and about as broad as long; corolla broadly funnelform, pinkish or pale purple, 

 1}^ to 2I0 inches broad and about half as long as broad; capsule 6 to 7 lines long; 

 seeds triquetrous, rounded on outer face, 2 or 3 lines long, very finely puberulent. 



Beaches and dunes along the coast : San Diego Co. to Humboldt Co. North to 

 Washington. Widely distributed in the Pacific Islands; also in Euroj^e. Apr.- 

 June. 



Locs. — Coronado Beach, San Diego, Jepson ICIO; Del Mar, T. Brandegee : Newport, Alice 

 King: Playa del Eey, Parish 11,879; Surf, K. Brandegee; Pacific Grove, Chandler 339; West 

 Berkelev, Ilavy 861 ; Pt. Arena, I)avy<S- Blasdale 6049 ; Pudding Creek, Fort Bragg, Jepson 17,765 ; 

 Little Eiver, Humboldt Co., Tracn 4803. 



Befs. — Convolvulus soldanella L., Sp. PI. 159 (1753), type European; Jepson, Fl. W. Mid. 

 Cal. 386 (1901), ed. 2, 325 (1911), Man. 776 (1925). Calyste'gia soldanella and C. reniformis R. 

 Br., Prod. 484 (1810). 



2. C. sepium L. Hedge Bindweed. Stems from a slender horizontal root- 

 stock, often several feet long, climbing on herbaceous plants or trailing; herbage 

 glabrate, sometimes glaucous; leaf -blades ly^ to 2^/^ inches long, ovate-lanceolate 

 to strietl}' lanceolate, acuminate at apex, hastate at base, the basal lobes angled or 

 squarish; petioles slender, shorter than the blade; peduncles often longer than the 

 leaves, 1-flowered; bracts % to % inch long, ovate, acuminate at apex, cordate at 

 base, completely enclosing the calyx; corolla piuk, 2 to 2% inches long. 



Marshes or river bottoms, 1 to 50 feet : San Francisco Bay region. Naturalized 

 from the eastern United States. June. 



Locs. — Suisun Marshes, Jepson 14,522; Martinez, Davy 6664. 



Var. pubescens Fer. Herbage soft-puberulent ; leaf -blades 2% to 3% inches long, sagittate, 

 the basal lobes rounded; corolla piuk or whitish. — Swamps and creek bottoms, 10 to 1000 feet: 

 coastal Southern California. East to Florida, thence to Quebec. May-July. 



Locs. — San Bernarduio, Parish 6435; Riverside, Hall; Chino, Condit; Los Angeles, conim. 

 E. D. Palmer; Wintersberg, Orange Co., Pcirson 7086 ; Huntington Beach, Booth 1359. 



Var. binghamiae (Greene) Jepson comb. n. Herbage finely puberulent, appearing glabrous ; 

 leaves small, 1 to 1% inches long, oblong-ovate, abruptly acute ; bracts oval, 4 lines long, appressed 

 to the calyx, which they only half conceal. — Santa Barbara; a distinct localized variety, rarely 

 collected. 



Refs. — CONVOLTULUS SEPIUM L., Sp. PI. 153 (1753), type European; Jepson, Fl. W. Mid. 

 Cal. 387 (1901), ed. 2, 325 (1911), Man. 776 (1925), in part. Cahjstegia sepinm R. Br., Prod. 

 483 (1810). Convolvulus limnnphilus Greene, Pitt. 3:329 (1898), type loc. "marshes about north- 

 ern end of San Francisco Bay." Var. pubescens Per., Ehod. 10:55 (1908). Calystegia sepium 

 var. puhesccns Gray, Man. ed. 5, 376 (1867). Convolvulus repens L., Sp. PI. 158 (1753), tv^pe loc. 

 "in Americae maritimis." C. sepium var. repens Gray, Syn. Fl. 2:215 (1878). Calystegia cates- 

 biana Pursh, Fl. 729 (1814), type loc. "in Carolina, Cateshy." Convolvulus sepium Jepson, Man. 



