Species of Solidogo in Relation to Cyllene R0bz`a»z'ae 11 _
6, (9) Flowers partly in the axils, but not shorter than the
. , leaves, partly forming a terminal thyrse.
7 ` 7. (8) Rays white.
; . Solidago bieelor. Stem pubescent. Leaves lanceolate,
- i serrate. Ray flowers, 6-11. Disc flowers, 10-11. Achcnes
, _ smooth. Hills with sandy soil. Locally common. Septem-
. l ber 9th to 20th.
, _ Oarter, Madison, Metc@’e, Rockcastle. ‘
T ¢ 8. (7) Rays yellow, or cream yellow. Stem smooth, except
l ( above. ·
_ 1 Solidtzgo crecta. Leaves laneeolate and nearly entire above,
i' ;» firm, crcnate and oblanceolate below. Ray flowers, 5-9, some-
S Q times cream yellow. Disc iiowers, 9. Achenes smooth, col- .
A  A umnar. Local. September 13th to October 3d.
5 Meade, Metcalfe, Rockeastle, Wliitleyt.
 l 9. (6) Flowers in terminal panicles. i
;_   10. (29) Panicles not corymbed.
L » A 11. (21) Leaves not evidently triple-nerved. Rays nerved.
;_ E Rays oval. Stem slightly hairy, or smooth. I .
it l  12. (1S) Branches of paniele close flowered. Heads in a more
st · or less spreading panicle. —
A 13. (20) Stem illlt-l leaves smooth.
t· L. 14. (19) Leaves not pellueid dotted. '
t'   15. (16) Ray flowers, 4-6. Leaves largely, strongly serrate, the
·‘ lower rather abruptly narrowed.
I Solidago m·gutu·. Achenes smooth, or very slightly setu-
r- A lose. Stem smooth below, often purplish. Ray flowers, .
e-  _ 4-6. Disc liowers, 11-16. lnvoluere, el-5 mm. high. Rock-
b- I castle county, August 16, 1917, and Natural Bridge, \Volfe
st  · county, August 29, 1915.
i`  16. (17) Ray flowers, 1.-5. Leaves finely serrate, ovate or lau-
 · ceolate, upper entire.
.v-   b'0l[