190 ELEMENTS OF BOTANY. 



III. QUAMOCLIT. 



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Annual herbs; stems slender, twining; leaves petioled, 

 entire or pinnatifid ; j&owers solitary or clustered on axillary 

 peduncles ; sepals 5, sriort-awned or awnless ; corolla salver- 

 form, the tube long and somewhat enlarged above ; stamens 

 inserted in the base of the tube, exserted, filaments dilated 

 below ; ovary 4-celled, style 1, stigma globose, 2-lobed ; fruit 

 a 4-celled, 4-seeded capsule. 



1. Q. QuAMocLiT (L.) Britt. Cypress Vine. Stem slender, 

 smooth, twining high ; leaves dark green, pinnatifid, the divisions 

 linear, smooth ; peduncles slender, as long as the leaves, 1-5-flow- 

 ered ; pedicels thickened upward ; sepals ovate or oblong, mucronate ; 

 corolla bright scarlet or sometimes yellowish-white, salver-form, the 

 tube 1-1 J in. long, the limb flat and spreading, ^-| in. wide; sta- 

 mens and style exserted ; capsule ovoid, twice the length of the 

 sepals. May-October. Common in gardens. 



2. Q. cocciNEA (L.) Moench. Small Red Morning-glory. 

 Stems twining or trailing, smooth or pubescent ; leaves cordate, acumi- 

 nate at the apex, basal lobes somewhat angled ; petiole slender, 

 nearly as long as the blade ; peduncles o-5-flowered, longer than the 

 petioles ; sepals awned ; corolla salver-form, slightly lobed, scarlet, 

 sometimes yellowish, 1 in. long; capsule globose, as long as the 

 sepals. June-September. Usually in cultivated ground. 



IV. IPOMCEA. 



Annual or perennial herbs ; stems twining or trailing, or 

 rarely erect ; leaves from sagittate or cordate to nearly lin- 

 ear; flowers showy, white or purple, axillary, solitary, or in 

 few-flowered cymes ; sepals 5, sometimes unequal ; corolla 

 bell-shaped or funnel-form, 5-plaited and convolute in the 

 bud, the limb entire, 5-angled or 5-lobed ; stamens included, 

 often unequal; ovary 2-4-celled, style slender, included, 

 stigmas capitate, 2-lobed; fruit a 1-4-seeded capsule, seeds 

 smooth or hairy. 



1. I. PANDURATA (L.) Meyer. Wild Potato Vine. Perennial, 

 from a very large tuberous root; stem trailing or twining, smooth or 

 slightly pubescent, 5-10 ft. long; leaves broadly cordate, with the apex 

 slender and obtuse, sometimes fiddle-shaped or 3-lobed ; petioles slen- 

 der ; peduncles longer than the petioles, 1-5-flowered ; sepals oblong, 

 obtuse, smooth, mucronate, the 2 outer ones shorter ; corolla white 



