MIDDLESEX FLORA. 23 



P. cruciata, L. 



Reading, Woburu, Bedford, et al. Not abundant. July-Sept. 

 P. verticillata, L. 



Not uncommon. July-Aug. 

 P. polygama, Walt. 



Maiden (F. S. Collins) ; Medford (G. E. Davenport) ; et al. Not 



common except in the eastern towns. July-Aug. 

 P. paucifolia, Willd. Fringed Polygala. 



Widely distributed but not abundant. A form with white flowers, 



discovered by Henry M. Pratt at Concord, thrives and spreads at 



the expense of the type. May. 



LEGUMINOSv^:. PULSE FAMILY. 



LuPiNUS, Tourn. 



L. perennis, L. Wild Lupine. 

 Kather common, except in the eastern towns. Flowers sometimes 

 white. May-June. 



Crotalaria, L. 



C. sagittalls, L. Rattle-box. 



Chelmsford (Dr. C. W. Swan) ; Cambridge (Bigelow's Fl. Bost.) ; 

 Winchester, 1853 (Wm. Boott) station still existing; Concord. 

 (Minot Pratt) ; Weston, fields, (John L. Russell, 4th Mass. Rep. 

 Agr.) Not common. July-Aug. 



Genista, L. 



G. TINCTOEIA, L. WOAD-WaXEN. DyER'S WeED. 



Maiden, scarce, but gradually coming in from Essex Co. (F. S. 

 Collins) ; Billerica (C. W. Jenks) ; Framingham (Miss J. W. Wil- 

 liams) ; Concord, 40 years ago a patch a rod in diameter, now cov- 

 ering half an acre (F. G. Pratt) ; Cambridge, a large patch has 

 existed for years in an open field off" Broadway (Walter Deane), 

 probably the same locality mentioned by Tuckerman, 1841 (Notes, 

 Josselj^n Rareties). June-July. Nat. from Eu. 



Trifolium, L. 



T. arvense, L. Rabbit-foot Clover. 



Connnon. July-Aug. Nat. from Eu. 

 T. pratense, L. Red Clover. 



Everywhere. Sometimes found with white flowei'S. May-Sept. 



Nat. from Eu. 



