[Vor. 3 
154 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
Gard. Herb.) ; Sapulpa, 29 and 30 April, 1895, Bush 1249, 975 
(Mo. Bot. Gard. Herb.); between Fort Cobb and Fort 
Arbuckle, Palmer 461 (U. S. Nat. Herb.) ; without definite 
locality, 16 April, 1898, Waugh 275 (Mo. Bot. Gard. Herb.) ; 
without locality, Stevens 34, 50.24, 120, 134, 146, 163, 179.6 А, 
210, 233, 286V5, 301V5, 420H, 469 (Geo. W. Stevens Herb.). 
Texas: rich woods, Dallas, March, 1882, Reverchon 556 
(Mo. Bot. Gard. Herb.) ; on prairie, Dallas, 15 April, 1900, 
Bush 606 (U.S. Nat. Herb. and Mo. Bot. Gard. Herb.) ; rocky 
prairies, Fort Worth, 21 April, 1902, Reverchon (Mo. Bot. 
Gard. Herb.) ; hillsides, Polytechnic, 5 March, 1913, Ruth 54 
(Mo. Bot. Gard. Herb.) ; Limestone Co., March, 1878, Joor 
(U. S. Nat. Herb.) ; College Station, Brazos Co., Ness 2083 
(Mo. Bot. Gard. Herb.) ; sandy prairies, Terrell, 6 April, 1903, 
Reverchon 3964 (Gray Herb. and Mo. Bot. Gard. Herb.); 
Round-top Mountain, Comanche Co., 9 May, 1900, Eggert (Mo. 
Bot. Gard. Herb.) ; Georgetown, March, 1890, Bodin 53 (U. S. 
Nat. Herb); Gillespie Co., ex Herb. Jermy (Mo. Bot. Gard. 
Herb.); New Braunfels, April, 1851, Lindheimer (Mo. Bot. 
Gard. Herb.) ; in patches on rocky high plains, Upper Guade- 
loupe, coll. of March, 1846, Lindheimer 445 (Gray Herb., U. 8. 
Nat. Herb., Phil. Acad. Nat. Sci. Herb., and Mo. Bot. Gard. 
Herb.). 
67. S. Willingii Greenm. Ottawa Nat. 25:117. 1911. 
An herbaceous perennial, somewhat glaucous; stems erect, 
2.5 to 3 dm. high, glabrous, striate, leafy; leaves oblong- 
lanceolate, 3 to 12 em. long, .7 to 2 em. broad, erenate-serrate 
to pinnately divided into oblong, entire or obtusely dentate 
lobes obtuse to rounded at the apex, in the early stages Йоссове- 
tomentulose along the midrib and lateral nerves beneath and 
on the margins of the petioles, later glabrate; inflorescence 
a terminal, rather dense, corymbose eyme; heads 8 to 10 mm. 
high, radiate; involuere eampanulate, calyculate, sparingly 
floccose-tomentulose, glabrate; bracts of the involucre about 
21, linear-lanceolate, 6 to 7 mm. long, acute; ray-flowers about 
12, rays yellow; disk-flowers numerous, 60 to 70; achenes 
glabrous. 
