April 14, 1908 
KEY TO THE SPECIES 
Corolla lobes ovate or orbicular (section Eucobaea Peter) 
Stamens but little exceeding the corolla 
Sepals broadly ovate or suborbicular 
Sepals orbicular, rounded and mucronate at 
the apex 
Sepals ovate, tapering to a broadly acuminate apex 
Sepals lanceolate or narrowly ovate-lanceolate 
Peduncles shorter than the leaves; sepals ciliate 
Peduncles longer than the leaves 
Calyx lobes glabrous 
Corolla violet; Colombian 
Corolla white; Nuevo Leon, Mexico 
Calyx lobes hirsute 
Stamens twice as long as the corolla 
Sepals lanceolate, slightly ciliate, tapering to 
the apex 
Sepals narrowly lanceolate with densely ciliate, par- 
allel margins and abruptly acuminate apex 
Corolla lobes long and linear 
Corolla lobes linear from an ovate base 
(section Aschersoniophila Brand) 
Corolla lobes linear, not expanded at the base 
(section Rosenbergia Peter) 
= 
23 
. scandens 
. stipularis 
. minor ‘ 
Trianaei 
Pringlei 
. campanulata 
. macrostoma 
. triflora 
. Aschersoniana 
Flowers greenish; corolla lobes 5-6 cm. long TOn ice 
Flowers yellowish; corolla lobes 3-4.cm. long Ir. R. 
1. Rosenbergia scandens (Cav.)* 
Cobaea scandens Cav. Ic. 1: 11. pls. 76, 77. 1791.—Bot. 
Mag. pl. 857.—Bot. Repos. pl. 742.—Engl. & Prantl. Nat. 
Pflanzenfam. IV. 3a: £ 79.—Brand, Pflanzenreich IV. 
Fam. 250: 25. 1907. 
Mexico: Orizaba, Bottert 294 (G). 
C. C. Deam 60, 1900 (G). 
2. Rosenbergia stipularis (Benth.) 
Cobaea stipularts Benth. Pl. Hartw. 45. 1840.—Lindl. Bot. 
Reg. 1841. f/. 25.—Benth. in DC. Prodr. 9: 322. 1845.— 
Brandl. Cc. 26. 
Mexico: Orizaba, Mueller 634, 1853 (Y). 
Bottert 150 (G). 
penduliflora 
gracilis 
Cuernavaca, Morelos, 
Dr. Couléer 928 
(G). 
*In the citation of specimens (C) indicates the herbarium of Columbia Uni- 
versity; (Y) the New York Botanical Garden, and (G) the Gray Herbarium of 
Harvard University. 
