ASCLEPIADEA, 325 
OREGON; CALIFORNIA ; ARIZONA.—MExi00, valley of Mexico (Bourgeau, 63 ; Schaffner, 
331), Chiapas &c. ( Ghiesbreght). Hb. Kew. 
21. Asclepias neglecta, Hemsley, n. sp. 
Erecta, puberula, foliis breviter petiolatis ovato-oblongis (usque ad 4 poll. longis) conspicue venosis, 
umbellis interpetiolaribus multifloris breviter pedunculatis, corollz lobis reflexis, cucullis supra 
columnam longiusculam sessilibus antheras vix equantibus, ligula angusta longiuscule exserta, 
ovariis glabris, folliculis parce pilosulis. 
Herba erecta, puberula, caulibus subsimplicibus, robustiusculis. Folia opposita vel subopposita, 
breviter petiolata, crassiuscula, ovata vel oblonga, 2-4 poll. longa, 1-2 poll. lata, basi rotundata, 
leviter cordata vel interdum leviter cuneata, apice acuta, obtusa vel rotundata, simul apiculata, 
supra cito glabrata, subtus plus minus puberula, conspicue venosa, venis primariis lateralibus 
utrinque 4-5. Flores mediocres, umbellati ; umbellee interpetiolares, pedunculate, multiflore, 
1-1§ poll. diametro; pedunculi 6-18 lineas longi; pedicelli 4-8 lineas longi; bracte nullz 
vel paucee, parve ; calycis segmenta lanceolata, acuta, extus pilosula ; corolla lobi oblongi, arcte 
reflexi, extus primum parce pilosuli; cuculli (corone squamz) supra columnam lineam longam 
sessiles, antheris breviores, lati, apice truncati; ligula angusta, arcuata, incurva, longiuscule 
exserta, antheras paulo superans ; ovaria glabra, levia. Folliculi nondum maturi parce pilosuli, 
leeves, angusti, acuminati, ad 3 lineas longi. 
SourH Mexico, Zimapan (Coulter, 984), valley of Mexico (Bourgeau, 319), Tlalpux- 
ahua (Graham), Rio Blanco, region of Orizaba (Bourgeau, 2714), and a specimen from 
Ruiz and Pavon’s herbarium, labelled Asclepias amena—N. E. (2, e. Nouvelle Espagne). 
Hb. Kew. 
It is possible that Coulter’s 984, a specimen in young fruit, may be a different species ; 
but the foliage matches so well that we have not hesitated to associate it with the other 
specimens. 
22. Asclepias nivea, Linn. ; DC. Prodr. viii. p. 566; non Bot. Mag. 1181. 
Nortu Mexico, Caracol Mountains, south-east of Monclova (Palmer, 812).—Cusa; 
Jamaica. Hb. Kew. 
23. Asclepias nummularia, Torr. Bot. U.S. & Mex. Bound. Surv. p. 163, t. 45; 
A. Gr. Synop. Fl. N. Am. ii. p. 92. 
New Mexico.—Norra Mexico, Chihuahua (Parry), Sonora (Smith), without locality 
(Coulter), region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 580). Hb. 
Kew. 
24. Asclepias ovata, Mart. et Gal. in Bull. Acad. Brux. xi. p. 363. 
SoutH Mexico, oak-forests of El Sabino, near Ismiquilpan, at 6500 feet (Galeotti, 
1554). 
25. Asclepias pratensis, Benth. Pl. Hartw. p. 45; DC. Prodr. viii. p. 568. 
Sout Mexico, Morelia, Michoacan, 6000 feet (Galeotti, 1549; Hartweg). Hb. Kew. 
26. Asclepias puberula, A. Gr. in Proc. Am. Acad. xvi. p. 104, 
NortH Mexico, near Morales, San Luis Potosi (Schaffner, 60). Hb. Kew. 
