1914] 
GREENMAN—NORTH AMERICAN SENECIONE 269 
Specimens examined: 
California: Rock Creek Сайоп, Basin of the Upper Kern River, 
Tulare Co., altitude 3050 m., July, 1904, H. M. Hall & 
H. D. Babcock, 5526 (Gray Herb.), түре; Natural Bridge, 
Voleano Creek, Basin of the Upper Kern River, altitude 
2985 m., July, 1904, H. M. Hall & H. D. Babcock, 5438 
(Gray Herb.); gravelly slopes, Little Kern River, altitude 
3045-3350 m., April-September, 1897, C. A. Purpus, 5240 
(Gray Herb. and Mo. Bot. Gard. Herb.); Castle Peak, 
near the highest point, altitude 2740 m., 5 August, 1903, 
A. A. Heller, 7102 (Gray Herb. and Mo. Bot. Gard. Herb.); 
Sierra Nevada, coll. of 1875, John Muir, 4452 (Mo. Bot. 
Gard. Herb.); near the summit of Silver Mountain, altitude 
3350 m., coll. of 1863, W. H. Brewer, 2050 (Gray Herb.); 
Ebbett’s Pass, W. H. Brewer, 2005 (Gray Herb.); Sonora 
Pass, W. H. Brewer, 2686 (Gray Herb.); Mono Pass, coll. 
of 1866, H. N. Bolander, 6140 (Gray Herb.). 
Nevada: Mt. Rose, Washoe Co., altitude 3200 m., 26 August, 
1911, A. A. Heller, 9882 (Mo. Bot. Gard. Herb.). 
Forma aphanactis, forma nova. 
Caulis сігейег 1 dm. altus; foliis petiolo incluso 1.5-2.5 cm. 
longis 5-7 mm. latis; capitulis discoideis. 
Specimen examined: 
California: mountain peak near Sonora Pass, altitude 3200 m., 
coll. of 1863, W. H. Brewer, 1905 (Gray Herb.), TYPE. 
Senecio ($ Tomentosi) Wrightii Greenm. Monogr. Senecio, 
pt. 1, 24. 1901; in Engl. Bot. Jahrb. 32: 20. 1902, nomen. 
S. fastigiatus Gray, Pl. Wright. ii. 99. 1853, not Nutt. 
Herbaceus perennis ubique subtomentosus; caule erecto 1-4 
dm. alto foliato; foliis oblongo-oblanceolatis vel lanceolatis 
indivisis et integris vel supra mediam partem paucidentatis 
juventate albo-tomentosis plus minusve glabratis, inferioribus 
basi integriusculis in petiolum sensim angustatis, eis caulinis 
sessilibus basi sspius ampliatim et irregulariter dentatis 
amplexicaulibusque; inflorescentiis terminalibus subeorymboso- 
cymosis multicapitatis; capitulis 8-10 mm. altis minute calycu- 
latis radiatis; involucris campanulatis basi subincrassatis 
tomentosis, bracteis involucri plerumque 13 lanceolatis 5-7 mm. 
longis acutis tomentulosis; flosculis liguliferis 6-8, ligulis anguste 
