484 COMPOSITAE. Vot. LIL. 
18. Helianthus méllis Lam. Hairy Sun- 
flower. Fig, 4478. 
«Helianthus mollis Lam. Encycl. 3: 85. 1789. 
Perennial; stem stout, simple or sparingly’ branched 
above, densely hirsute, 2°-4° high. Leaves ‘ovate or 
ovate-lanceolate,, closely sessile and somewhat clasp- 
ing by a broad cordate base, pinnately veined, 3- 
nerved above the base, all opposite, or the upper 
alternate, ascending, acute or acuminate, scabrous or 
cinereous-pubescent above, densely and finely pubes- 
cent beneath, serrulate, 2-5’ long, 1-23’ wide; heads 
solitary or few, 2’-3’ broad; involucre hemispheric, 
its bracts lanceolate, acuminate, densely villous-ca- 
nescent, somewhat spreading; disk yellow; rays 15- 
25; chaff canescent at’ the summit; mature achenes 
nearly glabrous; pappus of 2 lanceolate scales. 
In dry barren soil, Massachusetts to New Jersey, Geor- 
gia, Iowa, Missouri, Kansas and Texas. Aug.—Sept. 
1g. Helianthus doronicoides Lam. Oblong- 
leaved Sunflower. Fig. 4479. 
Helianthus doronicoides Lam. Encycl. 3: 84. 1789. 
Perennial by slender rootstocks; stems stout, rough, 
or finely rough-pubescent, branched above, 3°-7° high. 
Leaves oblong, ovate-oblong, or ovate, thick, ascend- 
ing, serrate or serrulate, acute or acuminate at the 
apex, narrowed at or below the middle to a sessile or 
slightly clasping base, rough. on both sides, or finely 
pubescent beneath, 3-nerved, 4’-8’ long, 1’-23’ wide; 
heads commonly numerous, 23’-4° broad; involucre 
hemispheric, its bracts lanceolate, acuminate, pubescent 
or hirsute, somewhat spreading; disk yellow; rays 12- 
20, 4-6” wide; achenes glabrous; pappus of 2 subu- 
late awns. 
In dry soil, Ohio to Missouri and Arkansas. Recorded 
from Michigan. Aug.—Sept. 
Hleianthus decapetalus L. Sp. Pl. 905. 1753. 
Perennial by branched, sometimes thickened root- 
stocks; stem slender, glabrous or nearly so, branched 
above, 1°-5° high; branches puberulent. Leaves 
thin or membranous, 3’-8’ long, 1-3’ wide, ovate or 
ovate-lanceolate, the lower all opposite and slender- 
petioled, the upper commonly alternate, all usually 
sharply serrate, roughish above, finely but often 
sparingly pubescent beneath, acuminate, the rounded 
or truncate base decurrent on the petiole; heads nu- 
merous, 2’-3’ broad; involucre hemispheric, its bracts 
linear-lanceolate, acuminate, hirsute, long-ciliate, 
spreading, often longer than the yellow disk; rays 
8-15, light yellow; chaff entire or 3-toothed, pubes- 
cent at the apex; achenes glabrous; pappus of 2 
subulate awns. 
In moist woods and along streams, Quebec to Michi- 
gan, Georgia, Tennessce and Missouri. Aug.—Sept. 
Helianthus scrophulariaefélius Britton, from near 
Woodlawn, New York, differing by laciniate-serrate 
leaves, is probably a race of this species. 
