. 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. , W. to *+ ^-^ Cauline leaves (at least the lowest) conspicuously contracted into a winged petiole-like base or auriculate-clasping ⢠involucre lax. 47. A. tardiflftrus L. Glabrous or subpubescent, m. high; leaves ovate- or oblong-lanceolate, sharply serrate in the middle, narrowed at both ends, the lower to a winged petiole, not auriculate or only obscurely so ; heads loosely panioled ; involucre 5-7 mm. high; bracts
. 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. , W. to *+ ^-^ Cauline leaves (at least the lowest) conspicuously contracted into a winged petiole-like base or auriculate-clasping ⢠involucre lax. 47. A. tardiflftrus L. Glabrous or subpubescent, m. high; leaves ovate- or oblong-lanceolate, sharply serrate in the middle, narrowed at both ends, the lower to a winged petiole, not auriculate or only obscurely so ; heads loosely panioled ; involucre 5-7 mm. high; bracts subequal or 2-3-seriate, linear or linear-subulate ; rays light blue. { Lam.) â â N. B. to Pa., commonest northw. Fig. 963. Var. ves- TiTus Fernald. Stems densely vil- lous ; leaves somewhat so beneath. â N. B. to Vt. 48. A. prenanthoides Muhl. Stem 1 m. or less high, corymbose- panicled, hairy above in lines; leaves rough above, smooth under- neath, ovate to lanceolate, sharply cut-toothed in the middle, con- spicuously taper-pointed, and rather abruptly narrowed to a long con- tracted entire portion, which is abruptly dilated into a conspicu- ously auricled base; heads on short divergent pedun- cles ; involucre 5-8 ram. high ; bracts narrowly linear, tips recurved-spreading; rays violet. â Borders of streams and rich woods, w. N. E. to Va. and Ky., Minn, and la. Fig. 964. 49. A. puniceus L. Stem tall and stout, m. high, rough-hairy all over or in lines, usually purple below, panioled above ; flowering branches (in well developed plants) much exceeding the subtending leaves; leaves oblong-lanceolate or lanceolate, not narrowed or but slightly so to the auricled base, regularly and coarsely ser- rate to sparingly denticulate in the middle, rough above, generally hispid on the midrib beneath, pointed; heads subsessile or short-pediceled; involucre 7-12 mm. high; bracts thin, narrowly linear, attenuate, loose, subequal, in about 2 rows,
Size: 1114px × 2244px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublisher, booksubjectbotany
