1208 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



26. Ipomoea anisomeres Robins. & Bartl. Proc. Amer. Acad. 43: 57. 1907. 

 Puebla. Guatemala ; type from Gualiin. 



Glabrous vine; leaves ovate-cordate, 6 to 11 cm long, acute; peduncles elon- 

 gate, many-flowered; corolla 6.5 to 7 cm. long, white with purple throat. 



27. Ipomoea oligantha Choisy in DC. Prodr. 9: 380. 1845. 

 Oaxaca. South America ; type from Peru. 



Stems puberulent; leaves deltoid-ovate, 5 to 10 cm. long, caudate-acuminate, 

 deeply cordate at base, the basal lobes acute; peduncles 3 to 5-flowered. 



28. Ipomoea chenopodiifolia (Mart. & Gal.) Hemsl. Biol. Centr. Amer. Bot. 

 2: 3S5. 1882. 



Calonyction chenopodiifoUum Mart. & Gal. Bull. Acad. Brux. 12^: 269. 1845. 

 Type from Juquila, Jalisco. 



Stems woody, muricate, hirsute; leaves 8 to 12 cm. long, pilose beneath, 

 hastate at base; peduncles short, l-flowered; corolla purple, 5 to 8 cm. long. 



29. Ipomoea morelii Duchass. & Walp. Linnaea 23: 752. 1850. 

 Chiapas. Panama (type locality) and Colombia. 



Glabrous vine, the stems often woody; leaves ovate-cordate, 6 to 9 cm. long, 

 long-acuminate, often hastate-lobate ; peduncles elongate, 1 to 5-flowered; 

 corolla 5 to 6 cm. long. 



30. Ipomoea robinsonii House, Ann. N. Y. Acad. Sci. 18: 257. 1908. 

 Type from Cuernavaca, Morelos. 



Woody glabrous vine; leaves elliptic-oblong, 6 to 8 cm. long, obtuse; 

 peduncles short, l-flowered ; corolla 6 to 8 cm. long. 



31. Ipomoea dimorphophylla Greenm. Proc. Amer. Acad. 33: 482. 1898. 

 Morelos and Oaxaca ; type from Cuernavaca, Morelos. 



Slender vine, fruticose below, more or less pubescent; leaves ovate-cordate, 

 4 to 10 cm. long, entire or lobate; peduncles short, 1 or several-flowered; 

 corolla 6 to 8 cm. long. 



8. TURBINA Raf. Fl. Tellur. 4: 81. 1836. 



1. Turbina corymbosa (L.) Raf. Fl. Tellur. 4: 81. 1836. 



Convolvulus oorymbosus L. Syst. Nat. ed. 10. 923. 1759. 



Convolvuhis sidaefolius H. B. K. Nov. Gen. & Sp. 3: 99. 1819. 



Ipomoea sidaefolia Choisy, Mem. Soc. Phys. Hist. Nat. Gen&ve 6: 459. 1833. 



Ipomoea antillana Millsp. Field Mus. Bot. 2: 84. 1900. 



Sinaloa to Tamaulipas, Yucatdn, Tabasco, and Oaxaca. Widely distributed 

 in tropical America. 



Woody vine; leaves long-petiolate, broadly ovate-cordate, 4 to 8 cm. long, 

 short-acuminate, entire, glabrous or pubescent ; peduncles few or many-flowered, 

 sepals scarious, about 1 cm. long; corolla white, campanulate, 2 to 3 cm. long; 

 stamens included; seed 1, finely pubescent. " Pascua," "flor de Pascua " 

 (Tabasco); " aguinaldo de Pascua" (Cuba); "campanilla" (El Salvador). 



143. POLEMONIACEAE. Jacob's-ladder Family. 



Refekence: Brand in Engl. Pflanzenreich IV. 250. 1907. 



Shrubs or usually herbs; leaves alternate or opposite, entire, dentate, 

 pinnatifid, or palmatifid; flowers perfect, terminal or axillary; calyx 5-lobate, 

 inferior ; corolla gamopetalous ; stamens 5, inserted on the corolla ; style 

 filiform, with 3 stigmas; fruit a capsule, 3-celled, luculicidal. 



