GENUS 3. 



MORNING-GLORY FAMILY. 



43 



2. Quamoclit coccinea (L.) Moench. Small Red Morning-glory. Fig. 3429. 



Ipomoea coccinea L. Sp. PI. 160. 1753- 

 /. hederaefolia L. Syst. Ed. 10, 925. 1759. 

 Quamoclit coccinea Moench, Meth. 453. 1794. 



Annual, glabrous or puberulent, stem twining 

 to a height of several feet or trailing. Leaves 

 ovate to orbicular, deeply cordate, long-acumi- 

 nate, 2 '-6' long, entire or angulate-lobed, slender- 

 petioled ; peduncles few-several-flowered, usu- 

 ally not longer than the leaves ; sepals oblong, 

 obtuse, about 2" long, subulate-appendaged ; co- 

 rolla scarlet, salverform, io"-2o" long, the limb 

 obscurely 5-lobed; stamens and style slightly 

 exserted; ovary 4-celled with i ovule in each 

 cell ; capsule globose, 4-valved, 3 "-4" in diameter. 



Along river-banks and in waste places, Rhode 

 Island to Pennsylvania, Florida, Ohio, Missouri, 

 Texas and Arizona. Naturalized from tropical 

 America, or native in the Southwest. A hybrid of 

 this species with the preceding is sometimes culti- 

 vated. American jasmine. July-Oct. 



4. IPOMOEA L. Sp. PL 159. 1753. 



Twining trailing ascending or rarely erect herbs, annual or perennial, with large showy 

 axillary solitary or cymose flowers. Sepals equal or unequal. Corolla funnelform or cam- 

 panulate, the limb entire, 5-angled or 5-lobed, the tube more or less plaited. Stamens equal 

 or unequal, included; filaments filiform, or dilated at the base; anthers ovate, oblong, or 

 linear. Ovary entire, globose or ovoid, 2-4-celled, 4-6-ovuled ; s.tyle filiform, included; stigmas 

 i or 2, capitate or globose. Capsule globose or ovoid, usually septifragally 2-4-valved, 2-4- 

 seeded. [Greek, worm-like.] 



About 400 species, of wide geographic distribution. Besides the following, some 30 others 

 occur in southern and western North America. Known as Morning-Glory or False Bindweed. 

 Type species : Ipomoea pes-tigrinis L. 



Ovary 2-celled (rarely 4-celled) ; stigma entire or 2-lobed.- 

 Leaves cordate ; stems trailing or twining. 



Perennial from an enormous root ; corolla 2' -3' long. i. I. pandurata. 



Annual ; roots fibrous ; corolla 4." 6" long, white. 2. /. lacunosa. 



Annual; corolla i'-ij^' long, pink or purple. 3. /. trichocarpa. 



Leaves linear ; stems ascending or erect. 4. /. leptophylla. 



Ovary 3-celled ; stigmas 3 ; leaves cordate. (Genus PHARBITIS.) 



Leaves entire; corolla 2'-2 l / 2 ' long. 5. I.purpurea. 



Leaves deeply 3-lobed, corolla i'-i l /i' long. 6. / hederacea. 



i. Ipomoea pandurata (L.) Meyer. Wild Potato Vine. Fig. 3430. 



Convolvulus panduratus L. Sp. PI. 153. 1753. 

 I. pandurata Meyer, Prim. Fl. Esseq. 100. 1818. 



Perennial from an enormous fleshy root, glabrous 

 or puberulent ; stems trailing or feebly climbing, 

 2-i2 long. Leaves broadly ovate, cordate, acumi- 

 nate at the apex, 2'-6' long, slender-petioled, entire, 

 sometimes contracted in the middle, or some of the 

 later ones rarely angulate-dentate or 3-lobed; pe- 

 duncles i-5-flowered, much elongated in fruit ; 

 sepals oblong, obtuse or acutish, 6"-8" long, gla- 

 brous ; corolla funnelform, white, or with pinkish 

 purple stripes in the throat, 2'-3' long, the limb 

 5-lobed ; ovary 2-celled ; capsule ovoid, 2-valved, 

 2-4-seeded, the seeds densely woolly on the margins 

 and pubescent on the sides. 



In dry soil, in fields or on hills, Ontario to Con- 

 necticut, Florida, Michigan, Kansas and Texas. Oc- 

 curs rarely with double flowers. Man-of-the-Earth. 

 Mecha-meck (Indian X Wild sweet potato. Man-root. 

 Wild jalap. Scammony. May-Sept. 



