MIDDLESEX FLORA. 79 



Physalis, L. 



P. Philadelphica, Lam. 

 Cambridge, rubbish heap, 1884 (Walter Deane; specimen iu herb, 

 of). Adv. from farther south. 



P. pubescens, L. 

 Lowell, "dmiip" (Dr. C. W. Swan); Bedford (Miss A. Browne). 

 Rare. Possibly introduced. 



P. Virginiana^ Mill. (P. viscosa, L., Man.) 

 Cambridge, rubbish heap (Walter Deane) ; Lowell, near mills (Dr. 

 C. AV. Swan). Rare. July-Sept. 



P. cajmcifolia, Dun. 

 Cambridge, 1884 (Walter Doane; specimen in herb. of). Sept. 

 Adv. from S. Am. & Asia. 



"Stem rather stout at the base, greenish purple, smooth, three- 

 sided; branches obliquely ascending, the upper quadrangular; 

 leaves long-petioled, oblong, subentire, pointed at each end, 

 unequal at the base, thin, smooth; peduncles filiform, smoothish, 

 erect during flowering, afterward pendulous ; calyx salver-shaped, 

 smooth, 5 parted, lobes deltoid, acuminate ; corolla sinuately 5- 

 augled, angles acute; anthers oblong, bluish; fruiting calyx 

 roundish, 5-angled, when ripe greenish-yellow, with purple lines 

 and streaks." DC. Prodr. XIII. I. 449. 



NiCANDRA, Adans. 



]Sr. PHYSALOiDES, Gajrtn. Apple of Peru. 

 Xot veiy common. July- Aug. Nat. from Peru. 



Petunia, Juss. 

 P. nyctaginiflora, Juss. 

 Maiden, waste heap, and elsewhere. July-Oct. Adv. from S. Am. 

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



Lycium, L. 



L. VULGARE, Dun. Matrimony Vine. 

 Escaped sparingly. June-Aug. Nat. from Eu. 



Hyoscyamus, Tourn. 



H. NIGER, L. Black Henbane. 



Somerville (F. S. Collins) ; has perpetuated itself for many years 

 along the Audover Turnpike. June-July. Nat. from Eu. 



Datura, L. 



D. Stramonium, L. Thorn-Apple. 



Not very common. July-Sept. Nat. from Asia. 



