594 SYNGENESIA.— SUPERFLUA. 



margin ; stem simple, pubescent ; panicle termi- 

 nal, loose, few-flowered; scales of the calyx loose, 

 lanceolate. 

 HAB. Sandy woods. Sept. U. Stem 12— 18 in. 

 high, slend. ; Jl. violet. 



16. A. patens: leaves oblong-lanceolate, ciliate, cor- 

 date and amplexicaul, scabrous and hairy on both 

 sides, those on the branches minute ; branches 

 spreading, elongated, few-flowered ; scales of the 

 calyx spreading, lanceolate. 



HAB. Rocky soils. Sept.— Oct. y.. Stem li— 2 

 ft. high; Jl. blue. 



\ j Leaves lanceolate and ovate; the lower ones serrate. 



a Flowers corymbed. 



17. A. Mtdijlorus : stem simple and smooth ; leaves 

 sessile, ovate-lanceolate, subacuminate, all sharply 

 serrate, scabious above; corymb few-flowered ; 

 peduncles pubescent, naked, mostly 1-flowered ; 

 calyx hemispherical, closely imbricate ; scales 

 linear-oblong, ciliate. 



HAB. Swamps. U . Stem 2 — 3 ft. high ; pedum 

 long ; Jl. large , pale pur p. 



18. A. Radula: leaves lanceolate, serrate, acuminate, 



rugous and very scabrous ; stem erect, angular, 

 simple ; corymb terminal ; calyx imbricate ; scales 

 lanceolate, rather obtuse, subsquarrose. 

 HAB. High mountains. Sept. U . Fl. middle 

 sized; rays shorty white. 

 0. A. strictus : leaves sessile, narrow-lanceolate, ser- 

 rate, scabrous ; 6tem one or few-flowered at the 

 summit ; scales of the calyx imbricate, appressed 

 oblong, acute, about equal to the disk. 

 \HAB. High mountains. Sept. — Oct. U . Stem 

 4—8 in. high ; Jl. pale violet. 

 20, A. svrculosus : stem simple, low, slender, minutely 

 pubescent ; lower leaves linear-lanceolate, entire, 

 or subserrate, scabrous above ; upper ones linear, 

 amplexicaul ; corymb 3 — 5 flowered, somewhat 

 naked ; calyx imbricate, subsquarrose ; scales 

 ciliate, linear-oblong ; inner ones obtuse ; rays 

 numerous. 



