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GREENMAN—NORTH AMERICAN SENECIONE® 279 
Frutex erectus; caule tereti primo dense sordido-puberu- 
lento, sepissime lenticellis intermixtis, maturitate cortice 
brunneo tecto; foliis petiolatis vel supremis sessilibus circum- 
scriptione ovato-rotundatis vel ovato-oblongis palmato-3-5- 
nerviis distincte 5-11-lobatis supra crebe crispo-hirtellis subtus 
lanato-tomentosis basi cordatis vel subtruncatis, margine sinua- 
tis calloso-denticulatis ciliatis; petiolis usque ad 6 em. longis; 
inflorescentiis terminalibus paniculatis polycephalis subglandu- 
loso-hirtellis; capitulis 10-12 mm. altis parce calyculatis radiatis; 
bracteis involucri plerumque 8 (non-nunquam 7) oblongis vel 
subobovatis 5-6 mm. longis obtusis vel acutis extus crebe sub- 
glanduloso-hirtellis, interioribus late scarioso-marginatis; flos- 
culis femineis liguliferis, ligulis anguste oblongis 5-6 mm. longis 
flavis; floribus disci circiter 10 (7-13) quam involucrum bis tanto 
fere longioribus; pappi setis albis; achzeniis glabris. 
Specimens examined: 
Mexico: State of Oaxaca, mountains of Telixtlahuaca, altitude 
2375 m., 10 December, 1894, Rev. Lucius С. Smith, 368 
(Gray Herb., photograph and fragments in Mo. Bot. Gard. 
Herb.), түре; Sierra de San Felipe, altitude 2130-2440 m., 
17 November, 1894, Charles L. Smith, 210 (Mo. Bot. Gard. 
Herb.) ; Cerro de San Felipe, altitude 1900 m., 25 September, 
1895, C. Conzalli, 119 (Gray Herb.). 
This species is related to S. oaxacanus Hemsl., but differs 
from it in having distinctly lobed leaves which are thicker in 
texture, densely subglandular-hirtellous above and soft tomen- 
tose beneath; moreover, the leaf-margin of S. hypomalacus is 
markedly sinuate and the lobes show a tendency to become again 
lobate. С. and E. Seler’s No. 1581 from Tillantongo, which 
has been referred to S. oaxacanus Hemsl., is somewhat intermedi- 
ate between the two species, but it has the leaf-outline and 
thinner texture of Mr. Hemsley’s species. 
Senecio (§ Palmatinervii) Kerberi Greenm. Monogr. Senecio, 
pt. 1, 26. 1901; in Engl. Bot. Jahrb. 32: 22. 1902, nomen. 
Herbaceus robustus perennis usque ad 3m. altus; caule 
tereti erecto glabro vel parce tomentuloso; foliis petiolatis pal- 
mato-5-7-nerviis ovato-oblongis 5-10 em. longis 5-8 cm. latis 
5-7-lobatis carnoso-denticulatis reticulato-venosis supra sparse 
hirtellis subtus subarachnoideo-tomentulosis, lobis obtusis vel 
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