. Gray's new manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada. Botany. A. high ; leaves lanceolate, elongated, taper-pointed and tapering at the base, dm. long; heads very numerous in com- pound flat corymbs; bracts rather close, oliiusish, srarcely hunger than the aclienes. {Diplopappus Hook. ; Doellingeria Nees.) — Moist thickets; common, especially norlhw. Aug., Sept. Fjg. 966. Var. preens Gray. Lower surface of the leaves and the branchlets tomentulose. —Upper Mich, to Neb. and Man. Var. lati
. Gray's new manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada. Botany. A. high ; leaves lanceolate, elongated, taper-pointed and tapering at the base, dm. long; heads very numerous in com- pound flat corymbs; bracts rather close, oliiusish, srarcely hunger than the aclienes. {Diplopappus Hook. ; Doellingeria Nees.) — Moist thickets; common, especially norlhw. Aug., Sept. Fjg. 966. Var. preens Gray. Lower surface of the leaves and the branchlets tomentulose. —Upper Mich, to Neb. and Man. Var. latifblius Gray. Leaves shorter, ovate-lanceolate to ovate, less narrowed or even rounded al base. (Diplopap- pus amygdalinus Hook.; Doellingeria humilis Britton.) —Pine barrens, etc., N. J., I'a., and southw. 51. A. infirmus Michx. Stem slender, often flexuous, 1 m. or less higli, less leafy, bearing few or several heads on divergent peduncles ; leaves obovate to ovate or vblong-lanceolate, narrowed at base and ciliate, the midrib hairy beneath ; bracts more imbricated, thicker and more obtuse ; rays sometimes creamy ; pappus more rigid. (Doellingeria Greene; Diplopappus cornifolius Less.)—Open wood- lands, 0. Mass. to S. C. and Ala. July-Sept. Fig. 967. § 5. IAnTHE Gray. Pappus less distinctly double, inner bristles not thickened at top, outer shorter; bracts well imbricated, oppressed, without herbaceous tips ; rays violet or rarely white ; achenes narrow, villous ; leaves numer- ous, rigid, small, linear, 1-nerved and veinless. 52. A. linariifftlius L. Stems 1-6 dm. high, several from a woody root; heads solitary or terminating simple branches, rather large ( cm. high); leaves 2-3 cm. long, rough-margined, passing above into the rigid aoutish bracts. (Diplopappus Hook.; lonactis Greene.) — Dry soil, centr. Me. to Wise, and southw., except in the mountains. Fig. 968. § 6. 0RTH6MERIS T. & G. Pap- pus simple ; bracts imbricated, oppressed, without he
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