RUDBECKIA 



tremely durable and seem in harmony with such sur- 

 roundings. Rudbeckias are easily increased by seeds, 

 cuttings or division. y^ q Egan. 



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.) S-cleft .W. 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. B.B. 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. G.C. 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 differing as indicated in the key. Moist 

 pine woods and plains, Ark., La., Tex. Gn. 

 47:1018. 



10. Iacini4ta, Linn. Perennial, 2-7 ft. high: 

 lower stem-lvs. 3-5-parted, upper ones 3-cleft: 



)1587. rays yellow, few or several, soon drooping; 

 disk cvlindric in fruit. Moist ground, Canada 

 to Fla.. west to" Mont, and New Mex. G.F.2:281. Golden 

 Glow is a full double form. Fig. 2218. Gng. 5:5, 117; 

 6:370. A.F. 12:274, 275. Gn. 50, p. 411. G.C. III. 20:339. 

 B. angustifilia, Linn., is Helianthus angustitolius.— J^. pin- 

 ndta, Vent., is Lepachys pinnata. — R. ptirpurea, Linn., is 

 Echinacea purpurea. tff^ ji_ 



HUE. See B 



grav. 



olens. 



nitida 



laciniata, 10. 

 maxima, 9. 

 Neiemani, 7. 

 nitida, 8. 



amplexicaulis, 

 bicolor. 4. 

 fulsida, 6. 

 Golden Glow, 1 

 hirta, 5. 



1. amplexicaulis, Vahl. Annual, 1-2 ft. high: rays 

 X in. long or more, yellow, often with a brown-purple 

 base; disk brownish, finally somewhat cylindrical. 

 Low grounds. La. and Texas. B.B. 3:418. 



2. triloba, Linn. Fig. 2217. Biennial, 2-5 ft. high, 

 bright green: lvs. thin: rays 8-10, deep yellow, base 

 sometimes orange or brown-purple : chaff awned. Moist 

 soil, N. J. to Mich., south Ga. to La. and Mo. B.B. 

 3:415. B.R. 7:525. -Blooms the first year from seed. 



3. subtomentdsa, Pursh. Perennial, 2-5 ft. high, ashy 

 gray: Ivs. thick: rays 15-20, yellow, sometimes with a 

 darker base: chaff blunt. Prairies, 111. to Tex. B.B. 

 3:415. 



4. bicolor, Nutt. Annual, 1-2 ft. high: lvs. 1-2 in. 

 long: rays yellow, with a blackish purple base or all 

 yellow. Pine woods or sandy soil. Ark., Tex., and east 

 to Ga.-Var. sup^rba, Hort. Haage & Schmidt, has 

 heads 2 in. across : ravs yellow above, purplish brown 

 below. Gt. 47, p. 220. S.H. 2, p. 169. 



EUE ANEMONE. See Syndesmon. 



EUE, GOAT'S. Galega officinalis. 



BU£LLIA (after Jean de la Ruelle, a French botanist). 

 AcanthAcew. A genus of about 150 species of herbs or 

 shrubs, mostly American, pubescent, villous or rarely 

 glabrous: lvs. opposite, mostly en- 

 tire: fls. violet, lilac, white, red or 

 rarely yellow. The 1 

 or nearly so in axils of lvs. or 

 bracts; they are solitary, fascicled, 

 or in spreading, paniculate cymes. 

 Bracts herbaceous, loose or im- 

 bricated, usually small and nar- 

 row, rarely oblong or 

 lanceolate. Corolla- 

 limb 5-lobed, equal, 

 or with the upper 

 lobes connate at the 

 base; stamens 4: cap- 

 sule oblong or club-shaped, 

 terete or compressed, 6-20- 

 seeded: seeds corapres.scd. 



B. Lvs 



c. Fls. blue, 1)4-2 in. long. 



cilidsa, Pursh. A hardy 

 perennial herb, about 1)4 ft. 

 high, erect or prostrate, hir- 

 sute or pubescent: lvs. 

 hairy, ciliate, usually ob- 

 long, sessile or short-peti- 

 oled, VA-'i in. long: fls. sol- 

 itary or clustered, axillary, 

 blue, \)/i-2 in. long. Aug., 

 Sept. In dry, light soil, N. 

 J., south and west. B.B. 3: 

 203.— Prop, by seeds or di- 

 vision. 

 CC. Fls. rosy, 2-6 in. long. 



macrintha. Mart. It forms 

 a compact, many-stemmed Rudbeckia triloba (X %). 



