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JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



H. doronicoicles , Lam. — Stems 5 to 8 feet high, densely 

 pubescent and scabrous ; leaves opposite, or the upper ones 

 alternate, ovate, tapering to both ends, sessile, serrated, rough 

 on both surfaces ; flowers most crowded, on short peduncles ; 

 bracts of the involucre lanceolate-acute, ciliate on back as well 

 as margins. Late-flowering species. (Tuberosus hybrid, Dod ; 

 cinereus var. Sullivantii, Torr and Gray ; pubescens, Hook, 

 Bot. Mag., t. 2778.) Dry ground, Ohio to Missouri. 



§§§ Involucral bracts nearly as long again as in the last, section 

 loose, someiohat squarrose, lanceolate- subulate, or gradually 

 attenuate from a narrow base. 



H. angustifolius, L. — Stems 2 to 5 feet high, scabrous or 

 hispid, slender, and sparsely leafy ; leaves thick, entire, with 

 somewhat revolute margins ; upper stem- leaves sessile, linear- 

 lanceolate, slightly narrowed at base, from 1 to 7 inches long and 

 2 to 4 lines wide, shiny dark green above, paler and smooth 

 beneath, opposite or mostly alternate, the lower and radical 

 leaves more lanceolate ; bracts of the involucre linear-lanceolate, 

 acute or attenuate-acuminate, margins ciliate ; ray florets gene- 

 rally about 18 in number, an inch long, orange-yellow ; disc 

 black-purple. (Bot. Mag., t. 2051. Coreopsis angustifolia, L.; 

 Budbeckia angustifolia, L. ; Leighia bicolor, Cass.) Wet ground ; 

 Pine-barrens, New Jersey and Kentucky to Florida and Texas. 



H. orgyalis, D.C. (fig. 8). — Stems 6 to 10 feet high, smooth 

 and glabrous, purplish, glaucous, very leafy to the summit ; 

 leaves alternate, narrow, linear, acute, entire or obscurely 

 serrate, recurved, 6 to 12 inches long, thin, glabrous ; the lower 

 ones narrowed into a petiole ; flowers deep golden -yellow ; ray 

 florets an inch long ; disc purple ; bracts of the involucre linear- 

 attenuate, loose, more or less squarrose, reaching up to half the 

 length of the rays ; margins minutely ciliate. Dry plains, 

 Nebraska to Arkansas and Texas, west to S.E. Colorado. 



H. grosse-serratus, Martens. — Stem smooth and glaucous, 

 7 to 9 feet high ; leaves lanceolate-acuminate, coarsely serrated, 

 green above, woolly beneath, stalked ; lower leaves opposite, upper 

 alternate ; ray florets 1 inch long, deep yellow ; bracts of the 

 involucre slender. A very distinct late-flowering species. Dry 

 plains and prairies, Ohio to Dakota, Missouri to Texas. 



