CON VO LVULA CEA E. 751 



2. Breweria aquatica (Wait.) A. Gray. Water Brewek.a. (I. F. f. 2940.) 

 Finely and densely silky-tomentose, the branches long and slender. Leaves 

 oblong, elliptic, or oblong-lanceolate, obtuse at both ends, mucronate or emargin- 

 ate, sometimes subcordate, 1-4 cm. long, 4-16 mm. wide; peduncles 1-3-flowered, 

 longer than the leaves, minutely bracted at the summit; sepals tomentose, oblong; 

 about 4 mm. long; corolla I-I.5 cm. long: style 2-parted nearly to the base. In 

 wet soil, Mo. to Tex., N. Car. and Fla. May- Aug. 



3. Breweria Pickeringii (M. A. Curtis) A. Gray. Pickering's Breweria. 

 (I. F. f. 2941.) Stem pubescent or puberulent, very slender, 3-6 dm. long. 

 Leaves puberulent or glabrous, narrowly linear, narrowed at the base, 2.5-6 cm. 

 long, 1-4 mm. wide; peduncles about as long as the leaves, with 1 or 2 linear 

 bracts at the summit; sepals pubescent or hirsute, ovate to oval, about 4 mm. long; 

 corolla white, about 2.5 cm. long; style 2-cleft; capsule ovoid, acute, pubescent. In 

 dry pine barrens, N. J. to N. Car. ; 111. to La. and Tex. June-Aug. 



3. EvdLVULUS L. 



Mostly silky-pubescent or pilose herbs, with small leaves, and axillary smal 

 flowers. Sepals nearly equal. Corolla funnelform, campanulate or rotate, the 

 limb plaited, 5 -angled or 5-lobed. Filaments filiform; anthers ovate or oblong. 

 Ovary entire, 2-celled; style 2-divided to the base, or near it, each division deeply 

 2-cleft; stigmas linear-filiform. Capsule 2-4-valved, 1-4-seeded. Seeds glabrous. 

 [Latin, unrolling.] About 85 species, of warm and tropical regions. Besides the 

 following, some 7 others occur in the southern U. S. 



1. E volvulus pilosus Nutt. Evoi.vulus. (I. F. f. 2942.) Perennial, silky, 

 pubescent or villous; stems 0.7-2.4 dm. high, very leafy. Leaves sessile, oblong, 

 lanceolate or spatulate. 6-18 mm. long; flowers solitary in the axils; peduncles 2- 

 bracted at the base, recurved in fruit, 2-4 mm. long; sepals acute or acuminate; 

 corolla funnelform-campanulate, purple or blue, 6-12 mm. broad; capsule 3-4 mm. 

 in diameter. On dry plains, Mo. to Kans., Mex. and Ariz. May-July. 



4. QUAMOCLIT Moench. 



Twining herbaceous vines, with petioled leaves, and peduncled axillary flowers. 

 Sepals 5, herbaceous, equal, acuminate, mucronate or appendaged. Corolla salver- 

 form (scarlet in the following species), the tube longer than the spreading 5-lobed 

 limb. Stamens and style exserted; stigma capitate; ovary 2-celled or falsely 

 4-celIed. 4-ovuled. Fruit usually 4-celled and 4-seeded. [Greek, dwarf kidney, 

 bean.] About 10 species, of warm and tropical regions; the following in N. Am. 



Leaves pinnately parted into very narrow segments. 1. Q. Quamoclit. 



Leaves cordate, acuminate, entire or angulate-lobed. 2. Q. coccinea. 



i. Quamoclit Quamoclit (L.) Britton. Cypress Vine. Indian Pink. 

 (I. F. f. 2943.) Annual, glabrous. Leaves ovate in outline, 5-18 cm. long, pinnately 

 parted into segments less than 2 mm. wide; peduncles slender, i-6-flowered; 

 pedicels thickening in fruit; sepals obtuse, usually mucronulate, 4-6 mm. long; 

 corolla 2.5-4 cm. long, the tube expanded above, the limb nearly flat, the lobes 

 ovate, acutish; ovary 4-celled; capsule ovoid, 4-valved, about 1 cm. high, twice as 

 long as the sepals. In waste and cultivated ground, Va. to Fla.. Kans. and Tex. 

 Sparingly escaped from gardens farther north. Nat. from tropical Am. July-Oct. 



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

 F. f. 2944.) Annual. Leaves ovate to orbicular, long-acuminate, 5-15 cm. long, 

 entire or angulate-lobed, slender-petioled; peduncles few-several- flowered; sepals 

 obtuse, about 4 mm. long, subulate-appendaged; corolla 2-4 cm. long, the limb 

 obscurely 5-lobed; ovary 4-celled; capsule globose, 4-valved, 6-8 mm. in diameter. 

 Along river-banks and in waste places, Penn. to Fla., Ohio, Kans., Tex. and Ariz. 

 Nat. from tropical America, or native in the Southwest. A hybrid with the pre- 

 ceding is sometimes cultivated. July-Oct. 



5. IPOMOEA L. 

 Twining trailing or rarely erect herbs, with large showy axillary flowers. 

 Corolla funnelform or campanulate, the limb entire, 5-angled or 5-lobed, the tube 



