[Vor. 1 
268 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
lanceolatis 6.5-8 mm. longis acutis; flosculis liguliferis ca. 12, 
ligulis oblongis 8 mm. longis 3 mm. latis 4—5-nerviis; floribus 
disci numerosis са. 50; acheniis in angulis sursum hispidulis. 
Specimen examined: 
New Mexico: Pinos Altos Mountains, 6 May, 1880, Edward Lee 
Greene (Gray Herb.), TYPE. 
A plant similar in habit to S. neo-mexicanus Gray, to which 
Dr. Greene's specimen was referred by Professor Gray in estab- 
lishing that species. А careful study of all the original material, 
which has been made possible through the courtesy of Dr. B. 
L. Robinson, has shown that the S. neo-mexicanus of Dr. Gray 
consisted of at least three recognizably distinet forms of which 
Wright's No. 1415, as the first specimen cited, must be taken as 
the type. With the Wright plant several specimens at hand аге 
almost the exact counterpart. The Greene plant in question, 
namely S. oreophilus, differs in several important particulars, 
notably in its essentially naked stem, oblong-cuneate leaves 
with subentire or sinuate-dentate margin, and a marked ten- 
dency for the foliage to become glabrous with age. 
Senecio (§ Tomentosi) oreopolus Greenm. Monogr. Senecio, 
pt. 1, 24. 1901; in Engl. Bot. Jahrb. 32: 20. 1902, nomen. 
Plate 11. 
Herbaceus perennis ubique albo-tomentosus; caulibus cæs- 
pitosis simpliee vel ramosis 0.8-3 dm. altis; foliis inferioribus 
petiolatis ovato-ellipticis vel elliptico-lanceolatis vel rarius sub- 
obovatis 0.8-3.5 ст. longis 5-18 mm. latis obtusis vel supra 
mediam partem paucidentatis basi abrupte vel longe cuneatis 
integriusculis juventate utrinque albo-tomentosis state supra 
paululo subinde glabratis, petiolatis 1-6.5 em. longis, foliis 
supremis grosse reductis petiolatis vel sessilibus integris vel 
rarius irregulariter dentatis basi sepe expansis et subauricu- 
laribus; inflorescentiis corymboso-cymosis; capitulis plerumque 
са. 1 em. (8-14 mm.) altis radiatis parce calyculatis; involucri 
squamis plerumque 13 (9-13) lanceolatis vel lineari-lanceolatis 
5-7 mm. longis acutis glabris vel leviter tomentulosis ; flosculis 
liguliferis 5-13; floribus disci 20-30; pappi setis albis bracteis 
involucri longioribus; achzeniis 3-3.5 mm. longis glabris. 
