COMPOSITAE. 987 



4. Rudbeckia monticola Small. MOUNTAIN CONE-FLOWER. Perennial by 

 a woody root; stem hirsute. :?imple 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-IO cm. broad; involucnil bracts narrowly lanceolate to linear, half as long as the 

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

 June Aug. 



5. Rudbeckia Brittonii Small. BRITTON'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 - l n g: 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 510 cm. long, 24 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 I 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 speciosa 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, laciniate or sharply serrate, 

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

 entire; heads sereral, 5-7 cm. broad; bracts of the involucre linear-lanceolate, 



