. Cyclopedia of American horticulture : comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening; Horticulture; Horticulture; Horticulture. RUDBECKIA tremely durable and seem in harmony with such sur- roundings. Rudbeckias are easily increased by seeds, cuttings or division. y^ q Base of upper Ivs. cordate-clasp- ing. triloba Base of upper Ivs. not cordate- clasping. B. Color of disk brown or dark p
. Cyclopedia of American horticulture : comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening; Horticulture; Horticulture; Horticulture. RUDBECKIA tremely durable and seem in harmony with such sur- roundings. Rudbeckias are easily increased by seeds, cuttings or division. y^ q Base of upper Ivs. cordate-clasp- ing. triloba Base of upper Ivs. not cordate- clasping. B. Color of disk brown or dark purple: shape of disk never cylindrical. C. Bower Ivs. deeply S-cut. D. Duration biennial: disk black-purple I DD. Duration perennial: disk dull inmriiisli 3. suhtomen CO. Lower lix. ):>>! ,l,,/>l,i .:-fut. D. Plants l,ri,lh,-l„nr!l. E. Bayx '5-'4 (//. l;n<i 4. bicolor EE. Bays l-a in. long 5. hirta DD. Plants nearly glabrous. E. Bvs. mostly entire G. Mgida EE. Bfs. irregularly serrate. 7. speciosa B. Color of disk greenish or yel- lowish. c. Lvs. entire or barely dentate. D. Height 2-4 ft.: Ivs. bright DD. Height 4r-9 ft.: Ivs. glau- cous 9. maxima cc. Ia'S. (upper stem-lvs.) laciniata RUELLIA 1589 5. hirta, Linn. Black-eyed Susan. Yellow Daisy. Biennial or annual, 1-3 ft. high: Its. 2-5 in. long: rays golden yellow, sometimes orange at base. Dry and open ground; common over wide range. 3:416. Gn. 49 1035 Mn. 6:221. 7 specidsa, Wenderoth. Perennial, 1-3 ft. high: rays 1-20, becoming IK in. long. Moist soil. Pa. to Mich., .Ik and Ala. 11. 16:372 (heads 3-4 in. across, i\s more than 30, in 2 series). —if. Niwmani, Loud., ^ generally considered a synonym of this species. 8 nitida, Nutt. This and the next are southern per- lals, with lvs. entire or barely dentate: rays droop- ing, pure yellow, several or numerous; disk finally columnar, 1-2 in. long. Wet ground, Ga. to Fla. and Tex. Gn. 47:1006. 9. maxima, Nutt. Closely allied to B. nitida and d
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