CARDUACEAE 1361 
with a very long tube and a yellow ligule. Disk-corollas with a funnelform 
throat and a shorter mis i. lanceolate. Filaments nearly as long as the 
anthers or longer. Stigmas elliptic or ovate-elliptic. Achene stout, glabrous 
ribbed. Pappus of many apie bristles.—About 6 species, North American.— 
Sum.-fall 
Involucre over 5 mm. thick: achene about 3 mm. long. O. grandiflorus. 
Involucre less than 5 mm. thick: achene about 2 aa long. . O. Jacksonii. 
1. O.grandiflorus (Raf.) Small. Stem 4-15 dm. tall, rough-pubescent: leaf-blades 
thick, those of the upper stem-leaves’ rp to ovate, 2-13 em. long, closely 
pubescent, pd toothed or essentially 
bra of the involucre dp, 
T outer e: disk-corollas 5.5—6.5 
ioe.  achene ils -ribbed. [Solidago rigida 
authors not L.].—Dry sandy soil and gravelly 
ba EM various provinces N of Coastal Plain, 
Ga. to "Tex., Man., and Md., and E nA 
Mass. Nat. of W N. A. —F all. 
O. Jacksonii (Kuntze) Small. Stem 3- 
tall, glabrous or nearly so below: 
ose 0 e 
ry 
banks and stony soil, Appalachian. Plateau and adj. provinces, Ga. to Ala. 
. and Ohio | 
33. BRACHYCHAETA T..& G. Perennial herbs, resembling species of 
Solidago. Leaves alternate: blades broad, toothed. Heads numerous, thyrsoid. 
Involuere narrow, few-flowered: braets va- 
rious, the outer ones broad, fee inner longer ' 
and seguir narrower. Ray-flowers few: 
corollas with a very slender tube an 
mall yellow ligule, Disk-corollas with a 
ae throat and a tube nearly as 
long as the throat: lobes triangular-lanceo- 
£o 
late. che 
like bristles shorter than the achene.—One 
species. 
l. B. sphacelata (Raf.) Britton. 
6-15 dm. tall, pubescent: leaf-blades orbicular- aie P e on uni s part 
of ii stem, ovate to oval or elliptic above: involuc 4 mm. long. 
dat — (FALSE GOLDENROD.)—Woods, m pui N of on 
Plain, Ga. to Ala., Ind., and S. Va.—Sum.-fall. 
34. ASTRANTHIUM Nutt. Annual or perennial, caulescent herbs. 
Leaves alternate: blades commonly broadened upward, entire or toothed. 
86 
