MIDDLESEX FLORA. 79 



PHYSALIS, L. 



P. PMladelpMca, Lam. 



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

 of) . Adv. from farther south. 



P. pubescens, L. 



Lowell, "dump" (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. W. Swan). Rare. July-Sept. 



P. capsicifolia, Dun. 



Cambridge, 1884 (Walter Deane; 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-perioled, 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- 

 angled, 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. 



N. PHYSALOIDES, Gaertn. APPLE OF PERU. 

 Not very 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 Andover Turnpike. June-July. Nat. from Eu. 



DATURA, L. 



D. STRAMONIUM, L. THORN-APPLE. 

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



