[Vor. 3 
144 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
62. 6. aquariensis Greenm.' 
An herbaceous perennial, glabrous or slightly tomentulose 
in the inflorescence; stems erect, solitary or closely cespitose, 
2 to 3.5 dm. high; lower leaves petiolate, ovate to oblong- 
lanceolate, 1 to 7 em. long, D to 2 em. broad, obtuse to acute, 
entire, glabrous on both surfaces; petioles 1 to 6 cm. long; 
stem-leaves petiolate and sublyrate to sessile, semiamplex- 
ieaul and more or less pinnatisect; inflorescence a terminal 
rather close corymbose cyme; heads numerous, 8 to 10 mm. 
high, sparingly calyculate, radiate; involucre campanulate ; 
bracts of the involuere 13 (—21), jawas lat, 5 to 6 mm. long, 
acute, glabrous; ray-flowers 10 to 12, rays yellow; disk-flowers 
numerous; achenes glabrous. 
Distribution: high plateaus of Utah. 
Specimens examined: 
Utah: Aquarius Plateau, alt. 3050 m., 5 Aug., 1875, Ward 
505 (Mo. Bot. Gard. Herb., Gray Herb., U. S. Nat. Herb., 
Phil. Acad. Nat. Sei. Herb., and Field Mus. Herb.), TYPE; 
Bear River Valley, coll. of 1877, Palmer 267V5 (Gray Herb., 
U. S. Nat. Herb. 782529 in part, and Mo. Bot. Gard Herb.). 
63. S. dimorphophyllus Greene, Pittonia 4:109. 1900; 
Rydb. Bull. Torr. Bot. Club 27:178. 1900; Greenm. Monogr. 
Senecio, I. Teil, 24. 1901, and in Engl. Bot. Jahrb. 32:20. 1902. 
S. heterodoxus Greene ex Rydb. Bull Torr. Bot. Club 
27:178. 1900; КІ. Colo. 396. 1906, in synonymy. 
S. aureus var. croceus Gray, Droe, Acad. Nat. Sci. Phil. 
15:68. 1863, i. e., Hall & Harbour No. 332, in part; Gray, Syn. 
Fl. N. Am. 12:391. 1884, and ed. 2, 1886, іп part; Porter & 
'Senecio aquariensis Greenm. ov. herbaceus perennis glabrus vel in 
inflorescentiis leviter tomentosus; e алы ereeti is 2-3 dm. altis solitariis vel dense 
eaespitosis; foliis inferioribus petiolatis "€ Na oblongo-lanceolatis 1-7 em 
1 . latis obtu 
o 
ad [pee abrupte cune atis vel raro sub E. peti olis 1-6 ¢ m. longis; foliis su- 
perioribus petiolatis et sublyratis vel — plus minusve e pinnatiseetis semi- 
amplexicaulibusque; infloreseentiis terminalibus conferte corymboso-cymosis ; 
capitulis numerosis 8-10 n altis e ea alyeulatis radiatis; involucris cam- 
panulatis erg pasce 3 (-21) laneeo olatis 5-6 mm. ongis aeutis glabris; 
floribus femineis 10- 12, gulis flavibus; floribus disci numerosis; achaeniis 
Pome —Colleeted on the Aquarius Plateau, m 3050 m an, а 1875, m 505 
(Mo. Bot. Gard. ч, St hw rb., U. 8. Nat. Herb., Phil. б 
Ge "Field Mus. b); B r River Valley, SCH of 1877, “Palmer 267% (Gray 
Herb., U. 8. Nat. Herb. 782529 in part, and Mo. Bot. Gard. bh. 
