100 House : North American Convolvulaceae 



Resembling the preceding : stems retrorsely strigose-pubes- 

 cent : leaf-blades deltoid-ovate, cordate, entire or somewhat 3- 

 lobed, glabrous above, pubescent beneath : peduncles 1- or loosely 

 few-flowered ; bracts ovate, obtuse : sepals herbaceous, similar to 

 the bracts but smaller, sometimes acute, 1 cm. long or less : corolla 

 subsalverform, scarlet, 3-4 cm. long; limb 2.5-3 cm - t> roa d : sta- 

 mens and style exserted. (Plate i, figure #.) 



Type locality : St. Domingo. 



Distribution : St. Domingo and Cuba. 



Specimens examined: Cuba, C. Wright 3096 (in herb. Gray). 



urn velutifolium 



A 



Stems vel- 



vety-pubescent above : leaf-blades oblong-ovate, obtuse, rounded 

 at the base, entire or irregularly crenate-lobed toward the base, 

 6-30 mm. long, velvety-pubescent; petioles 2-5 mm. long: flowers 

 2 or 3 together, sessile or nearly so near the ends of the branches ; 

 bracts and sepals linear-lanceolate : sepals subequal, acuminate, 

 7-8 mm. long, tomentose : corolla crimson, glabrous, 3 cm. long 

 or less, slightly constricted at the throat, the slightly spreading 

 limb with 5 rounded lobes, 5-6 mm. long and as broad : stamens 

 and style protruding. (Plate i, figure b.) 



^Mexico : Oaxaca, west side of the valley of Cuicatlan, 2000- 

 4000 ft. alt., E. W. Nelson 1887, Nov. 9, 1894 (type in herb. Gray ; 

 dupl. in Nat. Herb.). 



G 



264. 1838 



Ipomoea bracteata Cav. Ic. 5 : 51. pi. ^7. 1799. 



Ipomoea spicata 



3: 112. 1819. 



Ipomoea cincta Roem. & Schult. Syst. 4: 254. 1819. 

 Convolvulus obvallatus Spreng. Syst. 1 : 595. 1825. 



spicatum 

 9: 347- 1845 



128. 1837. — In D C - 



Exogonhim Olivae Barcena, Viaje Cav. Cacahuam. 29. 1874 



bractifl< 



1887 



Mazatlan. M 



Distribution : Lower California and western Mexico to 

 Central America. 



Specimens examined: Sonora, Palmer 313, 1890, io % 189°^ 



Sinaloa, W. G. Wright 1258, 1899, Palmer 1787, 1891 , Lambj52x 





