60 MIDDLESEX FLORA. 



S. ASPER, Vill. SPINY-LEAVED SOW-THISTLE. 

 Maiden, Medford, Lowell, et al. Not common. Nat. from Eu. 



LOBELIACEyE. LOBELIA FAMILY. 



LOBELIA, L. 



L. cardinalis, L. CARDINAL FLOWER. 



Frequent. A form with white flowers is found in Melrose (Mrs. P. 



D. Richards), and Bedford (C. W. Jenks). July-Aug. 

 *L. syphilitica, L. GREAT LOBELIA. 



Concord, introduced from 111. by Minot Pratt. July-Aug. 

 L. inflata, L. INDIAN TOBACCO. 



Common. July-Sept. 

 L. spicata, Lam. 



Generally distributed, but not very common. July-Sept. 

 L. Dortmanna, L. WATER LOBELIA. 



Fresh Pond, Martin's Pond, Dracut, Groton, Westford, et al. 



Scarce. July-Aug. 



CAMPANULACEyE. CAMPANULA FAMILY. 



CAMPANULA, TOURN. 



C. rotund i folia, L. HAREBELL. 



Earely found native, except in the Merrimac River Valley, where 

 it is common. At Concord, it was introduced by Minot Pratt thirty 

 years ago, and has become thorougly established. June-Sept. 



C. aparinoides, Pursh. MARSH BELL-FLOWER. 

 Common. June-Aug. 



C. rapunculoides, L. 



Tewksbury (Dr. C. W. Swan); Melrose and Natick (Rev. Thos. 

 Morong) ; Maiden (F. S. Collins). Adv. from Eu. July-Aug. 



SPECULARIA, Heist. 



S.l'perfoliata, A.DC. VENUS'S LOOKING-GLASS. 

 Rather common. June-July. 



ERICACE>C. HEATH FAMILY, 



GAYLUSSACIA, HBK. 



G. dumosa, Torr. & Gray. DWARF HUCKLEBERRY. 

 Melrose (H. A. Young) ; Natick (Rev. Thos. Morong) ; Littleton 

 (L. L. Dame) ; Tewksbury and Newton (Wm. Boott). June. 



