MIDDLESEX FLORA. 29 



L. sativus, L. Chick Pea. 

 Lowell "dump" (Dr. C. W. Swan). Adv. from Eu. 

 For description, see Wood's Bot. & Fl. 



PiSUM, L. 



P. sativum, L. 

 Lowell "dump" (Dr. C. W. Swan). Adv. from Eu. 

 For description, see Wood's Bot. & Fl. 



Apios, Boerh. 



A. tuberosa, Moench. Ground-nut. Wild Bean. 

 Common. July-Aug. 



Amphicakp^a, Ell. 



A. monoica, Ell. Hog Peanut. 

 Not uncommon. July-Aug. 



Baptisia, Vent. 



B. tinctoria, P. Br. Wild Indigo. 

 Very common. June- Aug. 



Cassia, L. 



C. Marilandica, L. Wild Senna. 



AVidely distributed, but not common. July-Aug. 

 C. Chamaecrista, L. Partridge Pea. 



Arlington, Everett, Medford, Littleton, et al. 



Not common. Aug. 

 C. nictitans, L. Wild Sensitive Plant. 



Chelmsford, Winchester, Holliston, Ashland, et al. 



Not common. July-Aug. 



CORONILLA, L. 



C. varia, L. 

 Westford, woollen-mill yard (Dr. C. W. Swan). June-July. Adv. 

 from Eu. Likely to become established. 

 For description, see Wood's Bot. and Fl. 



SCORPIURUS, L. 



" Calyx short, campanulate, 5-toothed; the two upper teeth con- 

 nate beyond the middle, sub-bilabiate; keel acuminate-rostrate; 

 stamens diadelphous, the single filament dilated at the apex ; pod 

 elongate, circinately revolute, longitudinally furrowed, of 3-6 joints, 

 one seeded." Koch, Syn. Fl. Germ. 



