MIDDLESEX FLORA. 23 



P. cruciata, L. 



Reading, Woburn, 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. 



LEGUMINOS>. PULSE FAMILY. 



LUPINUS, Tourn. 



L. perennis, L. WILD LUPINE. 



Rather common, except in the eastern towns. Flowers sometimes- 

 white. May-June. 



CROTALARIA, L. 



C. sagittalis, L. RATTLE-BOX. 



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

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

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

 Agr.) Not common. July-Aug. 



GENISTA, L. 



G. TINCTORIA, 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, 

 Josselyn Rareties). June-July. Nat. from Eu. 



TRIFOLIUM, L. 



T. ARVENSE, L. RABBIT-FOOT CLOVER. 



Common. July-Aug. Nat. from Eu. 

 T. PRATENSE, L. RED CLOVER. 



Everywhere. Sometimes found with white flowers. May-Sept. 



Nat. from Eu. 



