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, ]Sr. Chelmsford (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. ITat. from Eu. 



Geeardia, 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. 



CoUins). July-Sept. 

 G. f lava, L. DowNT 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. coccinea, 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, ST. Chelmsford (Rev. W. P. Alcott: specimen in 

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

 Syn. Fl. N. A. 



Pbdicularis, Toum. 



P. Canadensis, L. Lousewort. Wood Betont. 

 Common. May-June. 



