House: North American Convolvulaceae 103 



Type locality : Cuba. 



Distribution : Cuba and the Bahamas. 



Specimens examined : Cuba, C. Wright jop./ (co-type in 

 herb. Columbia Univ.), Brittoii, Briiton, & SJiafcr jj^, 1903; 

 Bahamas, Andros, Noj'throp 3^4, 1890, Brace 6J36, 1907 ; Great 

 Exuma, Britton & Millspmigli 2Q2j, 1905 ; Eleuthera, Brittoii & 

 Millspaugh 3Sg4, 1905 ; Conception Island, Britton cr Miiispaugh 

 6o2g, 1907 ; Long Cay, Brace 4010, 41 7J, 1905 ; Acklin's Island, 

 Brace 4280, 1906; New Providence, Curtiss 2 n , 1903. 



Exogonium microdactylum integrifolium var. nov. 



IpojJioca repamii GrlsQh. I. c. 204. Not /. repanda Jacq. 1760. 



Leaf-blades nearly or quite entire, oblong-ovate, subcordate, 

 truncate or sometimes obtuse at the base. 



Cuba: C. Wright j 102 (co-type in herb. Columbia Univ.), 



Cook 46, 1906, Combs 6oy, 1895, Baker 2i-/i, 1904. Bahamas: 



New Providence, Britton & Millspaugli 2103, 1905, Britton & 



Brace 800, 1904 ; Crooked Island, Brace 4627, 4J^g, 1906 ; Rum 



Cay, Brace jg82, 1905 ; Berry Islands, Britton &■ Millspaugh 



2^36, 1905 ; Inagua, NasJi & Taylor 1238, ijio, 1904; Andros, 



Brace 6p88, 1907; Great Bahama, Brace jjSp, 3701, 1905; 



Abaco, Brace ijg3, 1904. Watling's Island, Wilson 7212, 1907 ; 



North Caicos, IVilsoii yyi6, 1907; Mariguana, Wilson JS21, 1907. 



Florida : Pinelands near Cutler, Small & Carter j88, 816, 1903. 



Long Key, Small & Wilson ipyi, 1903. 



II. Exogonium luteum sp. nov. 



A stout, woody, twining vine, minutely pubescent : leaf- blades 

 triangular-ovate, acuminate, 5-8 cm. long, minutely but densely 

 pubescent above, velvety-pubescent beneath ; petioles short : ped- 

 uncles 5—10 cm. long, tomentose, cymosely many-flowered ; pedi- 

 cels 1.5-3 cm. long: sepals slightly unequal, ovate, obtuse, glab- 

 rous or the outer tomentose, 4-6 mm. long : corolla 3—5 cm. 

 long, golden yellow, the straight tube 5 mm. in diameter, the 

 spreading limb divided to the top of the tube into 5 lanceolate, 

 acute lobes about 15 mm. long, each with a small tuft of white 

 hairs at the tip : stamens and style long-exserted ; the sagittate 

 anthers 3.5 mm. long. (Plate 2, figure c.) 



Mexico : Oaxaca, Cuesta de Chiquihuetlan, 3300 ft. alt., Con- 



zatti & Gonzales 668, Sept. 2, 1895 (type in herb. Gray). . 



