MIDDLESEX FLORA. 45 



G. circaezans, Michx. WILD LIQUORICE. 



Rather common. Juue-Aug. 

 G. lanceolatum, Torr. WILD LIQUORICE. 



Melrose, Maiden, Stoneham, et al. Not very common. June-July. 

 G. VERUM, L. YELLOW BEDSTRAW. 



Arlington (Wm. Boott) ; Natick (Austin Bacon). Rare. July. 



Nat. from Eu. 



CEPHALANTHUS, L. 



C. occidentalis, L. BUTTON-BUSH. 

 Common. July-Aug. 



MITCHELLA, L. 



M. repens, L. PARTRIDGE-BERRY. 



Very common. A variety with white fruit has been reported at 

 Concord by A. W. Hosmer. June-July. 



HOUSTONIA, L. 



H. purpurea, L., var. longifolia, Gray. 



Marlboro (Mrs. A. M. Staples) ; common in Woburn and Lexing- 

 ton ; less common in the adjacent towns, and rare in other sections 

 of the county. June-Aug. 



H, ccerulea, L. BLUETS. INNOCENCE. 

 Very common. May-Aug. 



COMPOSITE. COMPOSITE FAMILY. 



VERNONIA, Schreb. 



V. Noveboracensis, Willd. IRON-WEED. 



Chiefly in the central and southern portions of the county. Not 



common. Aug. 

 V. fasciculata, Michx. 



West Medford, a flourishing patch in 1886, reappearing in 1887 



(Mrs. P. D. Richards). Adv. from the West. Aug. 



LIATRIS, Schreb. 



L. scariosa, Willd. 



Rather common. A form with flowers pure white reported at 



Medford (Mrs. P. D.Richards). Aug.-Sept. 

 *L. spicata, Willd. 



Framingham, rare, probably introduced (Rev. J. H. Temple) ; 



Concord, introduced from 111. by Minot Pratt. 



