MIDDLESEX FLORA. 



A. Novi Belgii, L. (A. longifolius, Lain., Man.) 



Widely distributed; not uncommon. Occasional with white 



flowers. Aug.-Oct. 

 A. Novi Belgii, L., var. litoreus, Gray. 



Not uncommon near salt marshes. Sept. -Oct. 



" Stems rigid, low, or soms^times 3 or 4 feet high, and then panicu- 



lately much branched, very leafy ; leaves thickish and Arm, very 



smooth, (rarely upper face somewhat scabrous), oblong to lanceo-. 



late, upper partly clasping and sometimes anriculate ; bracts of the 



involucre loosely imbricated in several ranks, outer commonly 



spatulate, all but innermost with broadish or obtuse herbaceous and 



mostly thickish tips." Syn. Fl., N". A. 

 A. puniceus, L- 



Common. Aug.-Oct. 

 A. puniceus, L., var. lucidulus, Gray, (var. vimineus, Man.) 



Maiden (H. L. Moody) ; Medford (L. L. Dame). Sept.-Oct. 

 A. amethystinus, Nutt. 



Westford (Misses Fletcher and Hodgman) ; Cambridge (H. L. 



Moody); Arlington (A. E. Verrill) ; Belmont (VVm. Boott). 



Scarce. Aug. -Sept. 

 A. Novae Angliae, L. New England Aster. 



Rather common. Aug.-Oct. 

 A. acuminatus, Michx. 



Common. Aug.-Sept. 

 A. nemoralis. Ait. 



Tewksbury (Wm. Boott) ; Dracut (Dr. C. W. Swan) ; Long Pond, 



Melrose (H. L. Moody). Rare. Aug.-Sept. 

 A. tenuifolius, L. (A. flexuosus, Nutt., Man). 



Borders of Mystic Pond, Medford (Rev. Thos. Morong; specimen 



in herb. of). Rare. 

 A. subulatus, Michx. (A. linifolius, Torr. & Gray, Man.) 



Common along salt marshes. Aug.-Sept. 

 A. Unariifolius, L. (Dij)lopappus linariifolius. Hook., Man.) 



Common. A form with white flowers not uncommon. Aug.-Sept. 

 A. umbellatus. Mill. (Diplopappus umbellatus, Torr. & Gray, 



Man.) 



Common. Aug.-Oct. 

 A. infirmus, Michx. (Diplopappus cornifolius, Torr. & Gray, 



Man.) 



Concord (F. S. Collins); Acton (Dr. C W. Swan). Rare. Sept. 



Erigeron, L. 



E. Canadensis, L. Horseweed. 

 Common. July-Oct. 



