[Vor. 1 
266 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
Senecio ($ Tomentosi) convallium Greenm. Monogr. Senecio, 
pt. 1, 24. 1901; in Engl. Bot. Jahrb. 32: 20. 1902, nomen. 
Herbaceus perennis ubique sericeo-pubescentes; caulibus 
cæspitosis erectis З dm. altis; foliis inferioribus rosulatis petiolatis 
elliptico-lanceolatis vel oblongo-oblanceolatis 2.5-6 cm. longis 
5-19 mm. latis acutis integris vel supra mediam partem pauci- 
dentatis basi longe cuneatis integriusculis juventate utrinque 
sericeo-pubescentibus ætate supra plus minusve glabratis, foliis 
superioribus spathulato-oblanceolatis angusti-petiolatis; inflores- 
centiis corymboso-cymosis paucicapitatis; capitulis circiter 1 
em. altis subradiatis; involucri bracteis 13-15 lineari-attenuatis 
7-9 mm. longis acutis sparse sericeo-tomentulosis; floribus 
femineis subligulatis; floribus disci 30-35; achaeniis 3.5 mm. 
longis striatis glabris. 
Specimen examined: 
Utah: Rabbit Valley, altitude 2130 m., August, 1875, L. F. 
Ward, 704 of the “U. S. Geological and Geographical Sur- 
vey of the Territories" (Gray Herb.), ТҮРЕ. 
Тһе species here characterized has been hitherto confused 
with S. canus Hook., from which it is readily distinguished by 
the subsericeous pubescence and technical characters of the 
head. 
Senecio ($ Tomentosi) kernensis Greenm. Monogr. Senecio, 
pt. 1, 24. 1901; in Engl. Bot. Jahrb. 32: 20. 1902, nomen. 
Herbaceus perennis ubique dense lanato-tomentosus; caule 
tereti erecto ca. 1 dm. alto; foliis inferioribus rosulatis petiolatis 
elliptico-oblongis vel oblongo-rotundatis 1-3 em. longis 3-10 
mm. latis apice obtusis vel rotundatis basi abrupte angustatis 
vel subtruneatis utrinque dense lanato-tomentosis, marginibus 
integris vel suberenato-dentatis revolutisque, foliis superioribus 
bracteiformibus multum reductis; inflorescentiis terminalibus со- 
rymboso-cymosis paucicapitatis; capitulis 8-10 mm. altis radiatis 
5-8 mm. (radii exclusis) diametro parce calyculatis; involucri 
squamis ca. 13 lineari-lanceolatis 5-6 mm. longis acutis floccoso- 
tomentulosis subglabratis; achaeniis glabris. 
Specimen examined: 
California: South Fork of Kern River, altitude 3760 m., Septem- 
ber, 1875, Dr. J. T. Rothrock, 334 of the ‘Explorations and 
Surveys west of the 100th Meridian" (Gray Herb.), ТҮРЕ. 
