caerulea. 



SVLVESTRIS. 



— 17 — 

 4. HOUSTONIA. 



Order 41. DIPSACEiE. 



I. DIPSACUS. 



Order 42. COMPOSITiE. 



I. VERNONIA. 

 Noveboracensis. Common. 



2. LIATRIS. 

 scariosa. 



3. EUPATORIUM, 



purpureum. Common, 

 maculatum. 



perfoliatum. Common. 



ageratoides. Rare. Reddish purple stem and leaf veins. Leaves broad 

 cordate, acuminate. 



4. TUSSILAGO. 



Farfara. 



5. SERICOCARPUS. 



conyzoides. 

 solidagineus. 



6. ASTER. 



corymbosus. Stems dark reddish purple. Common, 

 macrophyllus. Ravs 10 or more. Common, 

 laevis. Ravs light purple — not blue. 



var. cyaneus. 

 undulatus. Common. 



cordifolius. Also, var. light sky blue, with margined petioles. October, 1S81. 

 dumosus. September 6, 1882. Citv. 

 Tradescanti. September 25, 1882. Ci>mmon. 

 simplex. October 7. 1882. 



puniceus. September 2, 18S2. Also, October 3. East Meriden. 

 Novae-Angliae. 

 multiflorus. 



7. ERIGERON. 



Canadense. 

 annuum. 



