CONVOLVULACEAE. 347 



corolla white or pale blue, about 7 mm. broad; capsule globose, about 2.5 mm. 

 in diameter; seeds brown. 



Red soil in open places, Mangrove Cay, Andros, Crooked Island, Mariguana and 

 North Caicos : Cuba. Brace's Evolvulus. 



4. Evolvulus nummularius L. Sp. PI. ed. 2, 391. 1762. 



Diffuse, herbaceous, the stems 5-20 cm. long, branched, the branches 

 rooting at the nodes, pilose or glabrate. Leaves orbicular or broadly oval, 

 4-20 mm. long, rounded or retuse at the apex, obtuse or subeordate at the base, 

 short-petioled, pilose or glabrate; peduncles 1-flowered, much shorter than the 

 leaves; sepals oblong or oblong-obovate, obtuse, about 2 mm. long; corolla 

 pale blue or white, 5-8 mm. in diameter; capsule globose, 2 mm. in diameter. 



Shaded moist places and red-lands, New Providence, Eleuthera, Cat Island, Wat- 

 ling's, Mariguana, Great Exuma, Crooked Island and North Caicos : Cuba to St. 

 Jan and Grenada; Mexico to Colombia. Moxeywokt Evolvulus. 



5. Evolvulus sericeus Sw. Prodr. 55. 1788. 



Herbaceous, erect or ascending, usually branched from near the base, 

 slender, silky -pubescent, 1-3 dm. high. Leaves linear, lanceolate or narrowly 

 oblanceolate, nearly sessile, 1-2.5 cm. long, about 3 mm. wide or less, acute or 

 acuminate; peduncles 1-flowered, much shorter than the leaves, often shorter 

 than the calyx; sepals lanceolate to ovate-lanceolate, acute or acuminate, 3-4 

 mm. long; corolla white or pale blue, 6-10 mm. broad; capsule subglobose, 

 about as long as the .calyx. 



Fine-lands and palmetto-lands, Great Bahama and New Providence : south- 

 eastern United States ; Jamaica ; Cuba to Anegada and St. Vincent. Silky Evolvulus. 



6. Evolvulus glaber Spreng. Syst. 1: S62. 1S25. 



Evolvulus mucronatus Sw. ; Wikstr. Vet. Akad. Handl. Stockh. 1827: 61. 

 1827. 



Finely silky-jmbescent when young, becoming glabrate, branched, the 

 branches very slender, prostrate or ascending, 4 dm. long or less. Leaves 

 oblong to obovate, 1-3 cm. long, mucronate, short-petioled; peduncles nearly 

 filiform, as long as the leaves or longer; pedicels longer than the flowers; 

 sepals oblong or ovate-oblong, acute, 3-4.5 mm. long; corolla rotate, white, 

 7-10 mm. broad; capsule subglobose, 2-2.5 mm. in diameter. 



Margins of salinas and salt ponds, Long Island, Fortune Island, Acklin's, Mari- 

 guana, Caicos, Grand Turk and Inagua : Florida; Cuba; West Indies and northern 

 South America. Smooth Evolvulus. 



^ 7. Evolvulus alsinoides L. Sp. PI. ed. 2, 392. 1762. 



Villous; stems usually several from a deep root, slender, simple or branched, 

 prostrate or ascending, 1-4 dm. long. Leaves oblong or oblong-lanceolate, 0.8- 

 2.5 cm. long, more or less pubescent with long hairs, blunt or acutish at the 

 apex, rounded or narrowed at the base, the petioles 1-2 mm. long; peduncles 

 filiform, 1-5-flowered, mostly longer than the leaves; pedicels filiform; sepals 

 lanceolate or ovate-lanceolate, acuminate, about 2 mm. long; corolla pale blue 

 or white, 6-8 mm. broad; capsule somewhat longer than the calyx. 



Waste and cultivated ground, Andros. New Providence, Eleuthera, Cave Car, 

 Great Exuma, Long island. Great Ragged Island. Crooked island. Mariguana, Inagua 

 and Anguilla Isles: Florida to Texas: Cuba; Bispaniola ; Aruba ; Curacao; Mexico 

 and South America; Old World tropics. Chickweed Evolvulus. 



8. Evolvulus linifolius L. Sp. PL ed. 2, 392. 1762. 



Pubescent or glabrate; stems several or many from a rather slender root, 

 simple or few-branche.l, diffuse or nearly erect, 4 dm. long or less. Leaves 

 lanceolate, linear-lanceolate or linear-oblong, 1-2 cm. long, acute or mucronate, 



