75 2 FLORA. 



plaited. Stamens included. Ovary entire, 2-4-celIed, 4-6 ovuled ; style filiform, 

 included; stigmas I or 2, capitate or globose. Capsule usually septifragally 2-4- 

 valved, 2-4-seeded. [Greek, worm-like.] About 350 species, of wide distribu- 

 tion. Besides the following, some 25 others occur in southern and western N. Am. 



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

 Leaves cordate ; stems trailing or twining. 



Perennial from an enormous root ; corolla 5-8 cm. long. i. /. pandurata. 



Annual ; roots fibrous; corolla 8-20 mm. long, white. 2. /. lacunosa. 



Annual; corolla 2.5-4, cm. long, pink or purple. 3. 7. Carolina. 



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

 Ovary 3-celled ; stigmas 3; leaves cordate ; annuals. 



Leaves entire ; corolla 5-7 cm. long. 5. I^$urj>urea. 



Leaves deeply 3-lobed, corolla 2.5-4 cm - l n g 6. /. Keaeracea. 



1. Ipomoea pandurata (L.) Meyer. WILD POTATO VINE. (I. F. f. 2945.) 

 Glabrous or puberulent; stems 0.5-4 m. long. Leaves acuminate, 5-15 cm. 

 long, slender petioled, entire, sometimes contracted in the middle, or some of the 

 later ones rarely dentate or 3-lobed; peduncles 1-5 -flowered, much elongated in 

 fruit; sepals oblong, 12-16 mm. long, glabrous; corolla funnelform, white, or with 

 pinkish purple stripes in the throat, the limb 5-lobed; capsule ovoid, 2-valved, 

 2-4-seeded, the seeds woolly on the margins and pubescent on the sides. In dry 

 soil, Ont. to Conn., Fla., Mich., Kans. and Tex. ^lay-Sept. 



2. Ipomoea lacunosa L. SMALL-FLOWERED WHITE MORNING-GLORY. (I. 

 F. f. 2946.) Pubescent or hirsute, rarely glabrous; stem 0.5-3.5 m. long. Leaves 

 slender-petioled, acute or acuminate, entire, angled or 3-lobed, 5-10 cm. long, the 

 lobes acute; peduncles i-3-flowered, shorter than the leaves; sepals oblong or 

 lanceolate, acute or acuminate, pubescent or ciliate, about i cm. long; corolla 

 funnelform, white, or the limb purple; stigma capitate; capsule globose, 2-valved. 

 In moist soil, Penn. to S. Car., 111., Kans. and Tex. July-Sept. 



3. Ipomoea Carolina (L.) Pursh. SMALL-FLOWERED PINK MORNING- 

 GLORY. (L F. f. 2947.) Similar in habit to the preceding species, but the leaves 

 usually more lobed; peduncles often longer than the leaves, i-3-flowered; sepals 

 lanceolate or oblong-lanceolate, acuminate, pubescent or ciliate; capsule glabrous 

 or pubescent. Kans. to Tex., east to S. Car. and Fla. [/. commutata R. & S.j 



4. Ipomoea leptophylla Torr. BUSH MORNING-GLORY. (I. F. f. 2948.) 

 Perennial from an enormous root, glabrous; stems rather stout, 6-12 dm. long, 

 much branched. Leaves narrowly linear, entire, acute, 5-8 cm. long, 2-6 mm. 

 wide; petioles very short; peduncles stout, nearly erect, usually shorter than the 

 leaves, i-4-fiowered; sepals broadly ovate, obtuse, 6-8 mm. long, or the outer shorter; 

 corolla funnelform, purple or pink, about 8 cm. long, the limb scarcely lobed; cap- 

 sule ovoid, acute, 1.5-2.5 cm. long, 2-celled; seeds pubescent. In dry soil, S. Dak. 

 to Wyo., Tex. and N. Mex. May-July. 



5. Ipomoea purpurea (L.) Roth. MORNING-GLORY. (I. F. f. 2949.) Stem 

 retrorsely hairy, 1-3.5 m - l n g- Leaves acute or acuminate, 5-10 cm. wide, slen- 

 der-petioled; peduncles i-5-flowered; sepals lanceolate or oblong, acute, pubescent, 

 or hirsute near the base, 12-16 mm. long; corolla funnelform, blue, purple, pink, 

 variegated or white; ovary 3-celled (rarely 2-celled); stigmas 3 (rarely 2); capsule 

 depressed- globose, about I cm. in diameter, shorter than the sepals. In waste 

 places, commonly escaped from gardens, N. S. to Fla., Ont., Neb. and Tex. 

 Adventive or nat. from trop. Am. July Oct. 



6. Ipomoea hederacea Jacq. IVY-LEAVED MORNING-GLORY. (I. F. f. 

 2950.) Stem 6-15 dm. long, slender, retrorsely hairy. Leaves ovate-orbicular in 

 outline, long-petioled, deeply 3-lobed, 5-13 cm. long, the lobes ovate, acuminate; 

 peduncles i-3-flowered, much shorter than the petioles; flowers opening in early 

 morning, soon closing; sepals lanceolate with long linear often recurved tips, 

 densely hirsute below, sparingly so above, 1.5-2.5 cm. long; corolla funnelform, 

 the tube usually nearly white, the limb light blue or purple; capsule depressed- 

 globose, 3-valved, about as long as the lanceolate portion of the sepals. In fields 

 and waste places, L. I. to Fla., Penn., S. Dak., Neb. and Mex, Nat. or adventive 

 from trop. Am. July-Oct. 



