MIDDLESEX FLORA. 67 



U. purpurea, Walt. Purple Bladderwort. 



Generally distributed, but not common. Aug.-Sept. 

 U. resupinata, Greene. 



Kound Pond, Tewksbury, Aug. 24, 1865; Silver Lake, Wilmington, 



Aug. 4, 1869 (Wm. Boott). Very rare. 

 U. cornuta, Michx. 



Com 1 11 oil. July-Aug. 



OROBANCHACE/E. BROOM-RAPE FAMILY. 



EriPHEGus, Nutt. 



E. Virginiana, Bart. Beech-Dkops. 

 Arlington, Cambridge and Winchester (Wm. Boott) ; Waltham 

 List; Framingham (Eev. J. H. Temple). Not common. Aug.- 

 Sept. 



Aphyllon, Mitch. 



A. uniflorum, Gray. One-flowered Cancer-root. Broom- 

 rape. 

 Common. June. i 



SCROPHULARIACE/E. FIGWORT FAMILY. 



Verbascum, L. 



y^ V. Thapsus, L. Mullein. 



Common. July-Sept. Nat. from Eu. 

 V. Blattaria, L. Moth Mullein. 

 Maiden (F. S. Collins) ; Concord (Minot Pratt) ; Stoueham (Mrs. 

 P. D. Richards). Scarce. June-July. Nat. from Eu. 

 V. Lychnitis, L. White Mullein. 

 Westford (W. E. Coburn). June-Aug. Adv. from Eu. 



Linaria, Tourn. 



L. Canadensis, Dumont. Toad-Flax. 

 Common. A specimen from Chelmsford, collected by Dr. F. Nick- 

 erson, has the regular five-parted flower of the Peloria state. June- 

 Sept. 

 \y L. vulgaris, Mill. Toad-Flax. Butter-and-Eggs. 

 Common. July-Sept. Nat. from Eu. 

 L. Cymbalaria, Mill. Coliseum-Ivy. 

 Lowell, "dumps" (Dr. C. W. Swan) ; Maiden (F. S. Collins). 

 Adv. from Eu. For description, see Wood's Bot. & Fl. 



