CICIIORACE-E. 137 



rrt in terminal panicles, involucre cyliiidric covered with hispid glands. 

 Seed oblone, furrowed. 



Yellow. 4. June— Sept. In dry soils. Common. 



4. II. rAMOi'LATi'M. .Sferji leafy, erect, pubescent beneath, glabrous above. 

 Ia-cxtcs lanceolate, denticulate, glabrous, Fluwrrs in large compound pani- 

 cles, on slender peduncles, involucre with the interior leaves very narrow, 

 glabrous. i>teii furrowed. 



Yellow. %. July— Sept. Mountains. 



Genus II. PREXANTHES. {Syri. Harpalyce.) 



Involucre cyliruiric, in a single row, somewhat imbricate at 

 the base with a few appressed scales, receptacle slightly pitted. 

 Florets pcrtect. Stigmas somcwiiat hispid, filiform. Fruit 

 narrow, angled, pappus pilose, erect, persistent, colored, sea- 

 brous. 



1, P. .^LTissiMA. Stem erect, branching, glabrous. leaves 3-lobed al- 

 ternate, angled, nearly hastate, slightly dentate, scabrous on the margin. 

 FUnotrs in axillary racemes, nodding. Involucre about 5-flowered, cyhndrical. 

 ScetLf angular striate. 



Yellow. %. Aug.— Sept. 4-6 feet. 



2. P. CoRDATA. Sfe/n erect, generally glabrous. Lcauc* ovate-lanceolate » 



?etioled, cordate at the base, irregularly toothed, ciliate, upper leaves lanceolate- 

 ^lowers in racemose panicles, nodding, 6-8 flowers in a head ; leaves of the 

 involucrum usually 8, with membranaceous margins. Seeds striate, with 

 scabrous pappus. 



Yellow. %. July — Aug. Mountains. 4-6 feet. 



3. P. Deltoidea. Slem simple, slender. Leaves on long petioles deltoid 

 acuminate, acutely denticulate, lower ones triangular, glabrous, slightly glau- 

 cous beneath, f'lowcrs in axillary racemes, 5 in each ca^itulum, involu- 

 crum, with 5 equal linear leaves, with membranaceous margin. Seeds gla- 

 brous, angled, pappus, hairv. 



Purple. 1|.. Sept. Mountains. 2 ft. 



4. P. Virgata. Sum erect, simple, glabrous. Leaves sessile, runcinate 

 somewhat amplexicaule, upF>er leaves, narrow lanceolate. Flowers in long 

 terminal racemes, pendulous, 10-12 florets in a capitulum ; involucrum, with 

 8 oblong, obtuse leaves, fringed at the summit. Seeds cylindric, striate, pap- 

 pus scabrous. 



Pale purple. %. Oct. Pine barrens, common. 



5. P. Crepidin'ea. Stem branching towards the summit. Leaves broad- 

 lanceolate, attenuate at the base, upper ones sessile, denticulate, scabrous. 

 Flouxrs in terminal panicles composed of nodding clusters; involucrum with 

 8-10 nearly glabrous leaves ; florets numerous, pappus scabrous. 



%. Sept. Mountains. 4-6 feet. 



6. P. Alba. Sdm herbaceous, much branched, pubescent, slightly an- 

 gled ; radicle leaves hastate, angled, to<:)thed ; upper leaves spatulate obovate- 

 lanceolate, toothed and angled. Flotcers in loose panicles, in terminal clus- 

 ters, nodding, florets 8-12 in a capitulum ; involucrum with 8 oblong pubes- 

 cent leaves Iringed at the summit. S€t'ti#jyhndrical,striate, pappus T-scabrous. 



Gall of the earth. 

 Pale yellow. 7;. Sept— Oct. Dry soils. 2 ft. 



7. P. Serpentaria. .S/e/n erect, nearly glabrous. L«aw.< hastate, radicle 

 ones palmate, cauline ones on long petioles, sinuate pinnatifid, somewhat 3- 

 lobed, middle segment 3-partcd, with a long, attenuated base, upper leaves 

 lanceolate. Flowers in terminal, paniculate racemes, nodding ; florets 12 in 

 each capitulum ; involucrum S.clrft. Lion's foot. 



Purple. %. August— October. Upner district of Carolina. 



(6.) Dandelion tribe. Flowers yellow, with a single exception. 



12* 



