MIDDLESEX FLORA. 71 



M. Canadensis, L. WILD MINT. 



Common. July-Sept. 



LYCOPUS, L. 



L. Virginicus, L. BUGLE-WEED. 



Rather common. Aug.-Sept. 

 L. sinuatus, Ell. (L. Europaeus, L., var. sinuatus, Man.) 



Common. July-Sept. 



PYCNANTHEMUM, Michx. 



P. incanum, Michx. 



Lowell (Dr. C. W. Swan) ; Medford (C. E. Perkins) ; Winchester 



(Mrs. P. D. Richards) ; Framingham (Rev. J. H. Temple) ; Concord 



(Minot Pratt) . Not very common. July-Aug. 

 P. clinopodioides, Gray. 



Concord (Walter Deane; specimen in herb. of). Aug.-Sept. Adv. 



from farther south. 

 P. muticum, Pers. 



Widely distributed, but not very common. Aug. 

 P. lanceolatum, Pursh. 



Melrose (R. Frohock) ; Winchester (Mrs. P. D. Richards) ; Con- 

 cord (Minot Pratt). Scarce. Aug.-Sept. 

 P. linifolium, Pursh. 



Reading (F. H. Gilson). An unusually northern station for this 



species. Aug.-Sept. 



THYMUS, L. 



* T. serpyllum, L. CREEPING THYME. 

 Maiden (C. E. Perkins). Rare. Aug. Adv. from Eu. 



SATUREIA, L. 



8. hortensts, L. SUMMER SAVORY. 

 ** Dumps," occasional. Adv. from Eu. 



CALAMINTHA, Moench. 



*C. Clinopodiiim, Benth. BASIL. 



Framingham (Rev. J. H. Temple) ; Concord (Minot Pratt) . July. 

 Adv. from Eu. 



HEDEOMA, Pers. 



H. pulegioides, Pers. PENNYROYAL. 



Common. July-Sept. 

 H. Mspida, Pursh. 



Reading (W. H. Manning). July. Adv. from the West. 



