CONVOLVULACE^. (CONVOLVULUS FAMILf.) 335 



axillary 1-flowcred peduncles, (Name from koKv^, calyx, and areya, to cover, 

 alluding to the bracts enclosing the calyx.) 



1. C. sepiuin, E. Br. (Hedge Bindweed.) Smooth; stem twining; 

 leaves broadly arrow-shaped or triangular-halbord-form, pointed, the lobes at the 

 base obliquely truncate and often somewhat toothed ; peduncles 4-angled ; co- 

 rolla white, or rose-color (l^'-2' long). (Convolvulus sepium, L.) — Var. 

 iit:FEN9 (Convolvulus repens, L.) is more or less prostrate, the flowers tinged 

 with pink ; a form growing on gravelly shores. — Moist grounds ; common. 

 June, July. (Eu.) 



2. C> spithitniffea) Fursh. (Low Bindweed.) Downy ; stem low and 

 mostly simple, upright or ascending (6' -12' long) ; leaves oblong, with a more or 

 less heart-shaped or auricled base, obtuse or pointed at the apex ; peduncles 

 usually longer than the leaf ; corolla white (2' long). Open sandy woods and 

 plains, Maine to Wisconsin and southward. July. 



5. STYLISMA, Eaf. ^tylisma. 



Styles 2 (rarely 3), distinct and simple, or united to above the middle : stig- 

 mas (small) depressed-capitate. Otherwise as in Convolvulus and Evolvulus. 

 — Stems slender, branched, prostrate or spreading. Corolla white, somewhat 

 downy outside. (Name compounded of o-rCXor, style, and ur/ia, foundation ; per- 

 haps because the style is divided to the base in theoriginal species.) 



1. S. evolvilloides, Choisy. Soft-pubescent; leaves linear, lanceolate, 

 or oblong, obtuse at both ends or obscurely heart-shaped at the base (i'-lj' 

 long), shoit-petioled ; peduncles 1 - 5-flowered ; bracts awl-shaped, shorter than the 

 pedicels; styles distinct or nearly so. U (Convolvulus aquations, Walt. C. tri- 

 chosanthes, Miclix. C. tenellus, iam., ^c.) — Sandy woods, Ohio, EiddeUil), 

 Virginia, and southward. June - Sept. — Corolla 5" - 8" long. 



2. S. Pickerjngii. Soft and loosely pubescent ; leaves narrowly linoai", 

 naiTowed at the base, scarcely petioled ; peduncles mostly 1-flowered ; bracts re- 

 sembling the leaves, equalling the flower ; styles united to fir above the middle, y. 

 (Convolvulus Pickeringii, Torr.) — Sandy pine ban'ens. New Jei-sey (and N. 

 Cai-olina) . July - Sept. — Stems prostrate, 2° - 3° long. Corolla 3" - 5 '' long. 



6. DICHONDBA, Forst. Dichondka. 



Calyx 5-parted. Corolla broadly bell-shaped, 5-cleft. Stamens included. 

 Styles, ovaries, and the utricular 1 - 2-seeded pods 2, distinct. Stigmas thick. — 

 Small creeping perennial herbs, soft-pubescent, with kidney-shaped entire leaves, 

 and axillary 1-flowered bractless peduncles. Corolla small, yellowish or white. 

 (Name composed of Si's, double, and xwSpoy, grain, or roundish mass; from the 

 fruit.) 



1. D. repens, Forst. : var. Carolinensis, Choisy. Leaves round- 

 kidney-shaped, pubescent, green both sides; corolla not exceeding the calyx 

 (l"-li" long). (D. Carolinensis, A/i'cAx.) — Moist ground, Virginia, near Nor- 

 folk, and southward. (Widely diffused in tlio Southern hemisphere.) 



