C0MP0S2TAE. 9 8 7 



4. Rudbeckia monticola Small. Mountain Cone-flower. Perennial by 

 a woody root; stem hirsute, simple or with long, slender branches, 4-7 dm. high. 

 Leaves thin, rough-pubescent on both sides, the basal and lower ones with oval to 

 oblong, obtuse or obtusish blades tapering into margined petioles, the upper ovate 

 to ovate-lanceolate, serrate, acute to acuminate, 6-12 cm. long, sessile and partly 

 clasping, or narrowed into broad clasping petioles; heads very long-peduncled, 

 8-10 cm. broad; involucral bracts narrowly lanceolate to linear, half as long as the 

 rays, or less. Mountainous regions, W. Va. to Tenn., N. Car., Ala. and Ga. 

 June- Aug. 



5. Rudbeckia Brittonii Small. Brixton's Cone-flower. (I. F. f. 3886.) 

 Stem stout, erect, 4-7 dm. high, simple, grooved, leafy, at least below. Leaves 

 serrate or crenate-serrate, strigose-pubescent, the basal ones ovate to ovate-lanceo- 

 late, 7-10 cm. long, obtuse, long-petioled; stem-leaves often with a lateral lobe, 

 the petioles wing-margined; uppermost leaves often ovate-lanceolate, sessile, cor- 

 date; bracts of the involucre often 25 mm. long or more; head 5-7 cm. broad; 

 rays about 12, 2-lobed; style-tips slender, acute. In woods, mountains of Penn. to 

 Va. and Tenn. May-July. 



6. Rudbeckia fulgida Ait. Orange Cone-flower. (I. F. f. 3887.) Per- 

 ennial; stem hirsute or strigose-pubescent, slender, sparingly branched or simple, 

 3-9 dm. high. Leaves firm, more or less hirsute or pubescent on both sides, the 

 basal and lower ones oblong or spatulate, obtuse, 5-10 cm. long, 3-nerved, nar- 

 rowed into margined petioles, the upper sessile, or slightly clasping at the base; 

 heads few, 2-4 cm. broad; bracts of the involucre oblong or lanceolate, 6-16 mm. 

 long; rays 10-15, linear, bright yellow, or with an orange base; disk brown- 

 purple; chaff of the receptacle linear-oblong, obtuse, glabrous, or nearly so at the 

 summit; pappus a minute crown. In dry soil, N. J. and Penn, to Ga., west to 

 Mo. and Tex. Aug.-Oct. 



7. Rudbeckia Missouriensis Engelm. Missouri Cone-flower. Stem 

 more or less hirsute, 4-7 dm. high, simple or branched. Leaves firm, entire, 

 or with an occasional minute callous tooth, the basal ones narrowly oblong, acutish 

 or obtuse, 6-20 cm. long, 8-12 mm. wide, 3-nerved, hirsute, narrowed into peti- 

 oles, those of the stem sessile or the lower petioled, linear-lanceolate to linear, 

 acute or obtusish; heads 7-9 cm. broad; rays mostly 12-14, 2-3-toothed; involu- 

 cral bracts oblong to lanceolate, obtuse to acute, much shorter than the rays ; disk 

 hemispheric, purple-brown; chaff pointed; style-tips obtuse; pappus a very short 

 crown. Missouri and Arkansas. 



8. Rudbeckia palustris Eggert. Swamp Cone-flower. Perennial; stem 

 grooved, smooth and glabrous, or nearly so, branched, 4-9 dm. high, the branches 

 slender, erect. Leaves rather thin, the basal ones with broadly ovate to orbicular 

 blades 5-8 cm. long, palmately veined, remotely denticulate, cordate or obtuse at 

 the base, their slender pubescent petioles 10-15 cm. long; stem-leaves ovate to 

 ovate-lanceolate, sparingly serrate, acute or acuminate at the apex, narrowed at 

 the base, 3-5-nerved, the lower petioled, the upper sessile; peduncles long, slender, 

 pubescent; heads 3 cm. wide or more; involucral bracts oblong, obtuse, appressed- 

 pubescent, half the length of the rays or less. In wet soil, Ky. to Tenn. and Mo. 



9. Rudbeckia spathulata Michx. Spatulate-leaved or Flat-headed 

 Cone-flower. (I. F. f. 3888.) Perennial; stem slender, simple, or little branched, 

 finely strigose-pubescent, 3-9 dm. high. Leaves appressed-pubescent on both 

 sides, the lower 5-10 cm. long. 2-4 cm. wide, the basal ones sometimes nearly 

 orbicular, obtuse or obtusish. denticulate, narrowed into margined petioles; heads 

 few. or solitary. 2.5-4 cm. broad; bracts of the involucre short, at length reflexed; 

 disk depressed-globose or ovoid, about 1 cm. broad; rays 8-12, oblong, yellow, 

 mostly orange at the base; chaff of the receptacle obtuse; pappus a short-toothed 

 crown. In dry woods, Va. to Tenn. and Fla. Aug. -Sept. 



10. Rudbeckia specidsa Wenderoth. Showy Cone-flower. (I. F. f. 

 3889.) Perennial, more or less hirsute or hispid; stem branched above, 3-12 dm. 

 high. Leaves firm, slender-petioled, 5-12 cm. long, 3-5 cm. wide, dentate with 

 low teeth, acute or sometimes acuminate, 3-5-nerved; stem-leaves sessile or partly 

 clasping, or narrowed into broad margined petioles, lac iniate or sharply serrate, 

 lanceolate, acuminate, often 15 cm. lone, the uppermost smaller and sometimes 

 entire; heads several, 5-7 cm. broad; bra ts of the involucre linear-lanceolate, 



