1916] 
GREENMAN—MONOGRAPH OF SENECIO 167 
1905, Collins & Fernald 147 (Gray Herb. and U. S. Nat. 
Herb.) ; limestone shingle near summit of Baldé, Bonaventure 
Co., 5, 6, and 8 Aug., 1904, Collins, Fernald & Pease (Gray 
Herb.) ; wet red sandstone bluffs and steep slopes, between 
Baldé and the Baie des Chaleurs, Bonaventure River, 5, 6, 
and 8 Aug., 1904, Collins, Fernald & Pease (Gray Herb.) ; 
ledgy banks of the Restigouche River, Metapedia, 19 July, 
1904, Collins & Fernald (Gray Herb.). The last three speci- 
mens cited are transitional forms between the variety and 
the species. 
70. S.flavovirens Rydb. Bull. Torr. Bot. Club 27:181, pl. 5, 
fig. 4. 1900, mainly ; Greenm. Monogr. Senecio, I. Teil, 24, 1901, 
and in Engl. Bot. Jahrb. 32:20. 1909. 
S. fulgens Rydb. Bull. Torr. Bot. Club 27:177, pl. 6, fig. 13. 
1900, not. Nichols. 
S. Rydbergu Nels. in Coulter & Nelson, Manual Cent. Rocky 
Mountains 582. 1909. 
S. Balsamitae Rydb. Mem. N. Y. Bot. Gard. 1:446. 1900, 
mainly, not Muhl.; Nelson in Coulter & Nelson, Manual Cent. 
Rocky Mountains 583. 1909, not Muhl. 
S. flavulus Rydb. Fl. Colo. 397. 1906, in part, not Greene. 
An herbaceous perennial, pale or yellowish green in the 
dried state, glabrous or slightly white-tomentulose along the 
margins of the petioles near their base and in the axils of the 
leaves; stems erect, 2 to 5 dm. high; lower leaves petiolate, 
oblanceolate to oval, 1 to 6 em. long, .5 to 2 em. broad, grad- 
ually narrowed into the petiole to abruptly constricted at the 
base, crenate to coarsely and unequally dentate, obtuse or 
rounded at the apex, glabrous on both surfaces; stem-leaves 
petiolate and more or less lyrate to sessile and pinnatisect; 
inflorescence a terminal few-headed corymbose cyme; heads 
Т to 9 mm. high, radiate; involucre campanulate, calyculate; 
bracts of the involucre 13 to 21, linear-lanceolate, 5 to 7 mm. 
long, pale or yellowish green and glabrous except at the 
brownish penicillate tip, becoming thickish in texture; ray- 
flowers 10 to 12, rays bright yellow; disk-flowers numerous; 
achenes glabrous or slightly hirtellous along the angles. 
