266 



SYNGENESIA iKQUALIS. 



bus; scapi$ unifloris. j smooth 5 scape 1-flow- 



^ ered. 



Tragopogon dandelion. Sp. pi- 3. p. 1495. 



Troximon dandelion. Persoon 2. p. 360. 



Hyoseris major, Walt. p. 194. 



Hyoseris angustifolia. Mich. 2. p. 87- Pursh, 2. p. 404- 



Root perennial, somewhat tuherous. Primary Leaves oblong, narrow^ 

 slightly obovate, the other leaves Hnear-lanceolate, 8 — 14 inches long^ 

 acute, generally entire, sometimes very slightly denticulate, somewhat 



glaucous. Scajje a little longer than the leaves, bearing a few glandulai" 

 hairs near the base of the involucrum. 



Involucrum 10 

 rets yellow, nearly three times as long as the involucrum. 

 exterior pappus not distinguishable in my specimens, bristles of the interior 



12 parted; flo- 

 Scales of the 



numerous. 



Grows in the lime-stone soils in St. John's, Berkeley. Dr. IMacbride. 

 Flowers. 



This appears from the description to have been the original Tragopogon 

 Dandelion of Linnaeus- Specimens sent to me from Salem, North-Caro-* 

 lina, as the K. Dandelion of Nuttall belong, I think^ to a very differeiit 

 species. 



4. A 



MPLEXICAULIS. 



K. glauca; foliis ra- 



clicalibus spatliiilato- 



lanceolatis ovalibus- 

 que 



the 



Glaucous; leaves of 



root 



spathulate 



lanceolate and oval, 



dentatis ; scapis I toothed ; scapes some- 



parce foliosis ramosis- what leafy and branch- 



que 



ed, 



Nutt. 2. p. 127- 



Hyoseris amplexicaulis. Mich. 2. p. ST"- 

 Hyoseris biflora. Walt. p. 194. 

 ' Hyoseris prenanthoides. Willd. Sp. pi. 3. p. 15l6. 

 Troximon virginicum. Pursh, 2. p. 505. 



Root perennial. Stem 12 — 14 inches high, resembling a scape bearing 

 k few sessile, semiamplexicaule, lanceolate or ovate leaves, and sparingly 

 divided into long slender branches. Radical leaves all spathulate, ge«^" 

 rally lanceolate and irregularly toothed. Flowers solitary, on the extre- 

 mities of the long branches. Involucrum about 12-parted, a little hairy 



at base. Florets yellow, twice as long as the involucrum. Exterior jy^P* 

 pus 8-parted. 



Grows in the middle and upper districts of Carolina. 



Flowers. 



