1916] 
GREENMAN—MONOGRAPH OF SENECIO 117 
New Mexico: Mogollon Mountains, 25 April, 1881, Greene 
(Gray Herb., Greene Herb., Kew Herb., Torrey Ны; Field 
Mus. Herb., KS Mo. Bot. dani Herb.), түре; Mogollon Mou 
tains, Willow Creek, 8 Aug., 1900, Wooton (U. S. Nat. Herb. 
139065). 
50. Ж cyclophyllus Greenm. Field Col. Mus. Bot. Ser. 
2:276. 1907. 
An ка perennial; stem simple, 3.5 to 5 dm. high, 
sparingly tawny tomentulose at the base and in the axils of 
the leaves, otherwise glabrous, striate, somewhat purplish; 
radical and lowermost stem-leaves subrotund, 4 to 7 cm. 
long, equally broad, deeply cordate, crenate-dentate, green 
and glabrous above, purple beneath, petioles 5 to 8 em. long; 
upper stem-leaves sessile, amplexicaul, pinnately divided into 
narrowly obovate-cuneate, unequally dentate lateral divisions 
and a relatively large subreniform terminal division; inflo- 
rescence a terminal many-headed subeorymbose суше; heads 
7 to 9 mm. high, radiate; involucre campanulate, sparingly 
ealyeulate with minute bracteoles, glabrous; bracts of the 
involucre about 21, lance-linear, 5 to 6 mm. long, acute, more 
or less purple-tipped; ray-flowers about 13, rays yellow; disk- 
flowers 50 to 60; mature achenes 2 mm. long, hispidulous. 
Distribution: northeastern Mexico. 
Specimens examine 
Nuevo Leon: near — coll. of 1906, Pringle 10230 
(Gray Herb., photograph in Field Mus. Herb. and Mo. Bot. 
Gard. Herb.), type; Cerro la Scilla, near Monterey, 20 March, 
1902, Nelson 6672 (Gray Herb.). 
51. S. quebradensis Greenm.! 
'Senecio quebradensis Greenm. sp. nov., herbaceus perennis glabrus vel 
praesertim in axillis foliorum albo-floccosus ; caule simpliee vel ramoso 1.5-4 dm 
alto да glabro; foliis inferioribus petiolati is rotundo-ovatis vel oblongo- -ovatis 
mque cordatis crenato-dentatis utrinque glabris 
vel ert parce Яоесово- tomentulosis et mox glabratis subinde purpurascenti- 
bus; foliis inferioribus plus minusve pa А et amplexieaulibus; inflo- 
rescentiis terminalibus corymboso-cymosis; capitulis paucis vel nu merosis 8-10 
m. altis radiatis; involucro campanulato- cen glabro; bracteis aa 
13-21 putes lanceolatis 5-6 mm. lo ongis acutis pend floseulis liguliferis 
8-10, ligulis flavis; floribus disei numerosis; achae valde eostatis glabris.— 
Collected at Quebrada Honda, State of Durango, Martes 20 and 21 May, 1906, 
Palmer 213 (Gray Herb., Field Mus. Herb., and Mo. Bot. Gard. Herb.), TYPE. 
