MIDDLESEX FLORA. 45 



G. circaezans, Michx. "Wild Liquorice. 



Kather coimuou. June-Aug. 

 G. lanceolatum, Torr. Wild Liquokice. 



Melrose, Maiden, Stoueham, et al. Not very common. Juue-July. 

 G. VERUM, L. Yellow Bedstraw. 



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



Nat. from Eu. 



Cephalanthus, L. 



C. occidentalis, L- Button-Bush. 

 Common. Julj'-Aug. 



MiTCHELLA, L. 



M. repens, L. Partridge-berry. 

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

 Concord bj-^ A. W. Hosmer. June-July. 



Houstonia, L. 



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

 Marlboro (Mrs. A. JNl. Staples) ; common in Woburu and Lexing- 

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

 of the county. June-Aug. 

 v^ H. coerulea, L. Bluets. Innocence. 

 Very common. May-Aug. 



COMPOSITvE. 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. 



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



Concord, introduced from 111. by Minot Pratt. 



