. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 444 COMPOSITAE. Vol. 3. Doellingeria infirma (Michx.) Greene. Cornel-leaved Aster. Fig. 4382. Aster infirmus Michx. Fl. Bor. Am. 2: 109. 1803. Diplopappus cornifolius Less.; Darl. Fl. Cestr. 474- 1837- D. infirma Greene, Pittonia 3: 52. 1896. Stem slender, glabrous, or roughish above, sparingly branched at the summit, terete, ii°-3° high. Leaves entire, h
. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 444 COMPOSITAE. Vol. 3. Doellingeria infirma (Michx.) Greene. Cornel-leaved Aster. Fig. 4382. Aster infirmus Michx. Fl. Bor. Am. 2: 109. 1803. Diplopappus cornifolius Less.; Darl. Fl. Cestr. 474- 1837- D. infirma Greene, Pittonia 3: 52. 1896. Stem slender, glabrous, or roughish above, sparingly branched at the summit, terete, ii°-3° high. Leaves entire, hispid-margined, glabrous above, sparingly hispid on the veins beneath, the lower obovate, small, obtuse, usually ses- sile, the upper larger, oblong-lanceolate, acute, 2'-5' long, l'-ii' wide; heads few, about 1' broad, in a divergently branched terminal co- rymbose cluster; involucre broadly campanu- late, 2"-3" high, its bracts oblong-lanceolate, obtuse, sparingly pubescent, imbricated in about 4 series, the outer much shorter; rays 8-15, white; style-appendages subulate; pappus tawny; achenes nerved, glabrous. In dry, usually rocky soil, Massachusetts to New York, Georgia, Tennessee and Alabama. ept. 38. IONACTIS Greene, Pittonia 3: 245. 1897. Low, mostly branching, perennial herbs with numerous narrow, entire, i-nerved leaves, and rather large and showy heads of tubular and radiate flowers terminating the stem and branches. Basal leaves none. Involucral bracts coriaceous, imbricated in several series, appressed, their tips not herbaceous. Ray-flowers normally violet, pistillate. Disk-flowers perfect, the corolla with a campanulate limb. Achenes villous. Pappus double, the inner series of long capillary bristles, the outer much shorter. [Greek, violet rays.] Three known species, natives of North America, the following typical. i. Ionactis linariifdlius (L.) Greene. Stiff or Savory-leaved Aster. Fig. 4383. Aster linariifolius L. Sp. PI. 874. 1753. Diplopapp
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