350 CONVOLVULACEAE. 



2. Calonyction Tuba (ScMecht.) Colla, Nov. Sp. Calon. 15. 1840. 



Convolvulus Tuba Schlecht. Linnaea 6: 735. 1831. 



Calonyction grandiflorum Choisy, Mem. Soc. Phys. Geneve 6 : 442. 1833. 

 Ipomoea tuha G. Don. Gen. Syst. 4: 271. 1838. 



Calonyction album House, Bull. Torr. Glub 31: 591. 1904. Not Ipomoea 

 alba L. 1753. 



Glabrous, fleshy, usually climbing, sometimes 10 m. long. Leaves ovate- 

 orbicular^ slender-petioled, 6-10 cm. long, acute or short-acuminate at the apex, 

 deeply cordate at the base; peduncles stout, 1-2-flowered, shorter than the 

 leaves; sepals ovate-oblong, obtuse, appressed, about 2 cm. long; corolla white, 

 its tube stout, cylindric, 5-6 cm. long, the limb 5-6 cm. broad, with 5 narrow 

 greenish bands; capsule subglobose, 2-2.5 cm. in diameter; seeds densely 

 puberulent, villous on the angles and at the hilum. 



Sandy shores, Abaco, Frozen Cay, South Cat Cay, Andros, New Providence, Ship 

 Channel Cay, Eleuthera, Conception, Watling's, Rum Cay, Long Island:, Mariguana, 

 Inagua, Gibb's Cay, Anguilla Isles. Water Cay and Cay Sal : — Florida ; Cuba to 

 St. Jan and Martinique ; .Jamaica ; continental tropical America and Old World 

 tropics. Recorded by Mrs. Northrop as Ipomoea grandiflora Lam. Coast Moon-vine. 



4. QUAMOCLIT [Tourn.] Moench^ Meth. 453. 1794. 



Twining herbaceous vines, with petioled leaves, and peduncled axillary 

 flowers. Sepals 5, herbaceous, equal, acuminate, mucronate or appendaged. 

 Corolla salverform (scarlet in the following species), the tube longer than the 

 spreading limb. Stamens and united styles exserted; stigma capitate; ovary 

 2-celled or falsely 4-celled, 4-ovuled. Capsule usually 4-celled and 4-seeded. 

 [Greek, dwarf kidney-bean.] About 10 species, of warm and tropical regions. 

 Type species: Ipomoea coccinea L. 



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



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



1. Quamoclit Quamoclit (L.) Britton, in Britton & Brown, 111. Fl. 3: 22. 1898. 



Ipomoea Quamoclit L. Sp. PI. 159. 1753. 



Quamoclit vulgaris Choisy, in DC. Prodr. 9: 336. 1845. 



Annual, glabrous. Leaves ovate in outline, 5-18 cm. long, pinnately parted 

 into segments less than 2 mm. wide; pedunoles 1-6-flowered; pedicels thick- 

 ening 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. 



Waste and cultivated ground. Abaco near Marsh Harbor : — Virginia to Florida, 

 Kansas and Texas : West Indies ; Mexico to continental tropical America ; Old World 

 tropics. Cypress Vine. 



2. Quamoclit coccinea (L.) Moench, Meth. 453. 1794. 



Ipomoea coccinea L. vSp. PI. 160. 1753. 



Annual. Leaves ovate to orbicular, long-acuminate, 5-15 cm. long, entire 

 or angulate-lobedj, slender-petioled ; pedun<iles 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. 



Waste grounds, New Providence, near Nassau : — Pennsylvania to Arizona, Texas 

 and Florida ; West Indies ; Mexico and continental tropical America. Small Red 

 Morning-glory. 



