. Contributions from the New York Botanical Garden. Plants. 667 Vail : Studies in the Asclepiadaceae in herb. Kevv : Oaxaca, Gliiesbreght (also in herb. Kew). The last two specimens are cited in Hemsley, Biol. Centr. Am. 2 : 329 under Roulinia Jacqjiini. Differing from R. nnifaria and R. racemosa in its more woody stem and lighter green thicker leaves. It has the crown-segments of R. racemosa but the pollinia of R. nnifaria. i 6. Rouliniella foetida (Cav.) Asclcpias foetida Cav. Ic. 2 : 45. //. ij8. 1793. Cynanchuni foetidnni Nov. Gen. Sp. 3 : 202. 1818 ? Roulinia Jacqidfiii T)Q. Prodr.
. Contributions from the New York Botanical Garden. Plants. 667 Vail : Studies in the Asclepiadaceae in herb. Kevv : Oaxaca, Gliiesbreght (also in herb. Kew). The last two specimens are cited in Hemsley, Biol. Centr. Am. 2 : 329 under Roulinia Jacqjiini. Differing from R. nnifaria and R. racemosa in its more woody stem and lighter green thicker leaves. It has the crown-segments of R. racemosa but the pollinia of R. nnifaria. i 6. Rouliniella foetida (Cav.) Asclcpias foetida Cav. Ic. 2 : 45. //. ij8. 1793. Cynanchuni foetidnni Nov. Gen. Sp. 3 : 202. 1818 ? Roulinia Jacqidfiii T)Q. Prodr. 8: 517. 1844. Excl. syn. A slender twining vine. Stems glabrous or with a narrow puberulent line : petioles slender, 3—7 cm. long : leaves opposite ; blades ovate or some of the smaller ones ovate-lanceolate, 5—ii cm. long, acuminate at the slender apex, cordate at the base with open sinus and rounded basal lobes, puberulent on the veins be- neath : flowers 8-12 mm. in diameter in small sub-umbellate clusters; buds ovate: peduncles minutely puberulent, 2-3 cm. long, commonly shorter than the petioles: calyx mm. long; segments linear-oblong, acutish at the apex, minutely ciliate, with a large gland in each sinus : corolla 6-7 mm. long, dull-greenish, fleshy, glabrous on the outer surface, whitish or cream color ? with two raised puberulent callous ridges or crests along the upper portion within ; crown- segments white, very thin, 5, the lateral margins infolded and adnate to the inner surface, the long ligulate apex very slender, as long as the corolla segments or nearly so : anther-wings long and narrow : pollinia oblong, on short broad pale yellow caudicles ; corpuscle reddish, rounded at the apex, narrowet at the bifid base : stigma barely conic, 5-rayed : follicles angled and winged. Mature follicles not seen, [Fig- ^O Mexico : Oaxaca, Ga/cotti, ijj8 (in herb. Kew); near Oaxaca, alt. 1600 m., 1896, C. Conzaiti, 2iy ; Valley de Etla, Sept. 1895, C. Ahmrcz, j68; Huitz
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectplants, bookyear1899
