MIDDLESEX FLOE A. 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. 



AMPHICARP.EA, Ell. 



A. monoica, Ell. HOG PEANUT. 

 Not uncommon. July-Aug. 



BAPTISIA, Vent. 



B. tinctoria, R. Br. WILD INDIGO. 

 Very common. June- Aug. 



CASSIA, L. 



C. Marilandica, L. WILD SENNA. 



Widely 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 re volute, longitudinally furrowed, of 3-6 joints, 

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



