MIDDLESEX FLORA. 69 



V. peregrina, L. NECKWEED. PURSLANE SPEEDWELL. 



Somerville, Cambridge, Belmont, Concord, et al. Rather common. 



May-June. 

 V. ARVENSIS, L. CORN SPEEDWELL. 



Rather common. May-June. Nat. from Eu. 

 V. spicata, L. 



Roadside, IS". Chelmsf ord (Dr. C. W. Swan) . Adv. from Eu. For 



description, see Wood's Bot. & Fl. 

 V. AGRESTIS, L. FIELD SPEEDWELL. 



Reading (C. E. Perkins); Framingham (Rev. J. H. Temple). 



Rare. Nat. from Eu. 



GERARDIA, L. 



G. purpurea, L., var. paupercula, Gray. PURPLE GERARDIA. 

 Common. A form with white flowers has been reported at Low- 

 ell (Dr. C. W. Swan) ; Maiden (F. S. Collins) ; and Concord (Minot 

 Pratt) . July-Sept. 



G. maritima, Raf. SEASIDE GERARDIA. 



Common on salt marshes ; Concord, introduced by Minot Pratt. 

 Aug. 



G. tenuifolia, Vahl. SLENDER GERARDIA. 

 Common. A form with white flowers is found at Maiden (F. S. 



- Collins). July-Sept. 



G. f lava, L. DOWNY FALSE FOXGLOVE. 

 Rather common. July- Aug. 



G. quercifolia, Pursh. SMOOTH FALSE FOXGLOVE. 

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



G. pedicularia, L. 

 Common. Aug-Sept. 



CASTILLEIA, Mutis. 



C. cocci nea, Spreng. PAINTED CUP. 



Throughout the county, but not common in the towns near Boston. 

 A variety with yellow bracts in Tewksbury and Dracut (Rev. 

 J. L. Russell, Hovey's Mag., Vol. VII). May-June. 



ORTHOCARPUS, Nutt. 



O. purpurascens, Benth. 



Wool-waste, N". Chelmsf ord (Rev. W. P. Alcott: specimen in 

 herb. of). Adv. from coast of Cal. For description, see Gray, 

 Syn. Fl. N. A. 



PEDICULARIS, Tourn. 



P. Canadensis, L. LOUSEWORT. WOOD BETONY. 

 Common. May-June. 



