4 



SYNGENESIA ^QUALIS, 



287 



\y denticulate. Flmoers in a small, terminal, umbellate corymb, with a few 

 scattered branches below the umbel. Scales of the involucrum ovate lan- 

 ceolate, fringed, terminating in a long, subulate, somewhat riffid point. 

 Corolla bright purple. Seeds furrowed, hairy, crowned with a double pap- 

 pus; the exterior composed of short, subulate scales : the interior long, hairv 

 sliglnly scabrous, i^ecep^ac/e naked, dotted. 



Grows in dry pine barrens. 



Flowers June — August. 



3. Angustifolia. 



V. caule simplici; fo- 

 liis crebris, longe 



an 



gusteque lineaiibus, 

 subintegris; corymbo 

 subumbellato; involu- 



rigide 



en 



squamis 



mucronatis. 



Stem simple; leaves 

 numerous, long, linear, 

 nearly entire; corymb 

 somewhat umbelliform; 

 scales of the involu- 



crum 

 nate. 



rigid, 



mucro 



Mich. 2. p. 94. Pursh, 2. p. 51 1. 

 Chrysocoma Graminifolia ? Wah. p. 196. 



Root perennial, 

 brous. 



Stem about three feet high, simple and somewhat sca- 



Lmves linear and linear lanceolate, sparingly denticulate, with the 

 margins revolute, somewhat lucid, paler and a little hairy underneath, very 

 scabrous, numerous but not crowded, -- — 



niinal corymb. 



pandin 



g- 



Floicers in a large ter- 



^ Scales of the involucrum ovate-lanceolate, tapering to a 



long, subulate, expanding, somewhat rigid point. Florets numerous. 



Co- 



rolla bright purple. Seed furrowed, hairy] interior pappus hairy, scabrous. 

 t.rows in very dry soils. '^ - - - 



Common near Columbia.. 

 Flowers June — August. 



On the high sand lulls in the middle country. 



4v NoVEBORACENSIS, 



V. 



crebri 



altissima; 



foliis 



is 



9 



lanceolatis. 



serrulatis, scabris; co ^ ^„ 



rymbo fastigiato; in- I rymb fastigiate; scales 



Very tall; leaves nu- 

 merous, lanceolate, 

 serrulate, scabrous; co 



volucri squamis apice 

 Wiformibus. 



of the involucrum fili 



form at the summit. 



t. 



