Professor Asa Gray from the Rocky Mountains, which 
flowered in the Royal Gardens in September, 1878. 
Drscr. A stout erect herb, 1-2 feet high, hoary with 
down on glabrate, paniculately. branched and _ glandular 
above. Stem grooved, leafy. Leaves alternate, petioled, 
about two inches long and broad, twice ternately cut into 
linear or obovate laciniate acute or obtuse recurved lobes. 
Heads an inch in diameter, on stout glandular peduncles 
which are naked or have one or more imperfect leaves. 
Involucre hemispherical, glandula; bracts in about three series, 
linear oblong, acute or acuminate, margins scarious, the inner 
ones more membranous; receptacle slightly convex, papillose. 
Rayflowers fifteen to twenty; tube short, glandular ; limb 
cuneate, deeply 3-lobed, bright yellow, lobes obtuse; style arms 
short, recurved, obtuse. Disk flowers numerous, very glandu- 
lar ; lobes five, obtuse ; style arms flattened, obtuse. Achenes 
narrowly _ obconic, four-angled and many-ribbed, young 
glandular, ripe dark brown, ribs rugulose, angles smooth. 
mt. 2 ff. 
_Fig. 1, section of receptacle; 2, ray flower; 3, another with three styles; 5, 
disk flower with irregular corolla; 6, disk flower with abnormal achene ; 7, style 
arms of disk flower :—all enlarged. 
