774 
[Vor. 1 
270 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
oblongis ca. 8 mm. longis 4-5-nerviis; floribus disci са. 30; 
achaeniis glabris. 
Specimens examined: 
New Mexico: ravines between the copper mines and the Mim- 
bres, October, 1851, Charles Wright, 1289 (Gray Herb. 
and Mo. Bot. Gard. Herb.), түре; Santa Rita del Cobre, 
22 September, 1880, E. L. Greene (Mo. Bot. Gard. Herb.); 
among spruce, Lookout Mine, Sierra Co., altitude 2680 
m., O. B. Metcalfe, 1179 (Mo. Bot. Gard. Herb.). 
Senecio ($ Amplectentes) subauriculatus Greenm. Monogr. 
Senecio, pt. 1, 25. 1901; in Engl. Bot. Jahrb. 32: 21. 1902, 
nomen. Plate 14. 
Herbaceus perennis; caule erecto ramoso striato glabro; foliis 
in partibus superioribus caulinis anguste lanceolatis 5-15 cm. 
longis 0.5-1.5 em. latis acuminatis acutis integris vel remote 
apiculato-denticulatis sessilibus et auriculo-semiamplexicauli- 
bus vel basi іп petiolum sensim angustatis et subdecurren- 
tibus membranceis supra glabris juventate subtus floccoso- 
tomentosis denique plus minusve glabratis ; inflorescentiis ter- 
minalibus laxe subeorymboso-eymosis; pedunculis bracteatis, 
bracteis lineari-attenuatis; capitulis radiatis 12-14 mm. altis 
heterogamis; involucris campanulatis calyculatis albo-floccoso- 
tomentulosis, bracteolis calyculatis linearis acutis suberoso- 
marginatis; involucri squamis plerumque 21 lineari-lanceolatis 
са. 1 сіп. longis acutis et atro-penicillatis; flosculis liguliferis ca. 
13, ligulis oblongis flavibus; floribus disci numerosis (50-60); 
pappi setis albis; achzeniis pubescentibus. 
Specimen examined: 
Mexico: State of Oaxaca, mountains southeast of Miahuatlan, 
altitude 2750-3170 m., coll. of 1895, E. W. Nelson, 2526 
(Gray Herb.), TYPE. 
A well marked species related to S. Warszewiczit A. Br. & 
Bouché and to S. prionopterus Rob. & Greenm. 
Senecio ($ Mulgedifolii) alatipes Greenm. Monogr. Senecio, 
pt. 1, 25. 1901; in Engl. Bot. Jahrb. 32: 21. 1902, nomen. 
Herbaceus perennis ubique glabrus; caule tereti striato erecto 
l m. vel ultra alto; foliis parte inferiori ignotis, eis caulinis 
petiolatis vel sessilibus amplexieaulibusque oblongo-ovatis vel 
oblongo-lanceolatis 0.5-1.5 dm. longis 2-5 ст. latis acutis vel 
