82 MIDDLESEX FLORA. 



ViNCETOXicuM, Moench. 

 V. NIGRUM, Moench. 

 Watertown (C. E. Perkins) ; Cambridge (Man.) ; Medford and 

 Ashland (Eev. Thos. Morong). June. Nat. from Eu. 



Peeiploca, L. 

 *P. CfrcBca, L. 

 Concord, introduced by Minot Pratt. Aug. A native of Eu. 



OLEACEy^. OLIVE FAMILY. 



LiGUSTRUM, Tourn. 

 L. vuLGAEE, L. Privet. 

 Common. June. Nat. from Eu. 



Feaxinus, Tourn. 



F. Americana, L. White Ash. 



Common. Apr.-May. 

 F. pubescens. Lam. Eed Ash. 



Occasional throughout the county. Apr.-May. 

 F. sambucifolia. Lam. Black or Water Ash. 



Medford, Weston, Framingham and Ashby (L. L. Dame) ; Concord 



(Walter Deane) ; Tewksbury (Dr. C. W. Swan) . Not very common. 



Apr.-May. 



Steinga, L. 

 ;S. vulgaris, L. Lilac . 



Along roadsides, near old houses. Often well established, of lower 



growth and smaller leaves than the cultivated plant. May-June. 



A native of Eu. For description, see Wood's Bot. and Fl. 



ARISTOLOCHIACE/C. BIRTHWORT FAMILY. 



ASAEUM, Tourn. 



A. Oanadense, L. Wild Gingee. 

 Westford, locally established (Miss E. F. Fletcher) ; the Concord 

 plant was introduced from Vt. by Minot Pratt. May- June. 



NYCTAGINACEyC. FOUR-O'CLOCK FAMILY. 



OxYBAPHUS, Vahl. 



0. nyotagineus, Sweet. 

 Cambridge (C. E. Perkins). June- Aug. Adv. from the West. 



