MOKOPETALOUS EXOGENOUS PLANTS. 439 



P. LANCEOLATA, Michx. Pubesceiit; leaves ovate-lan- 

 ceolate or oblong, obtuse, but often attenuate at the apex, 

 entire, wavy, or coarsely and obtusely toothed on tlie mar- 

 gins, acute and commonly very unequal at the base ; calyx 

 pubescent, the lobes long-acuminate from an ovate base ; 

 corolla 5-lobed, or somewhat 10-lobed or toothed, yellow in 

 the throat; fruiting calyx ovate or globose-ovate, 5-angled. 

 (P. Elliottii, Kunze; P. maritima, M. A. Curtis?) Dry 

 sandy soil. July-October. Ster)i 1° high, erect or diflfuse ; 

 leaves l'-3' long; fruiting calyx 1-1 J' long, smooth or 

 hairy. 



** Annual; peduncles shorter than the petiole; corolla 4"-6" in diameter^ yellow^ 

 spotted in the throat with green or brown. 



P. PUBESCENS, L. Tomentose or villous with soft often 

 viscid hairs, rarely smoothish; stem diffusely branched, 

 4-angled, with one side rounded; leaves long-petioled, 

 mostly acute, obtusely toothed, wavy-margined, or entire, 

 ovate, and mostly slightly cordate and unequal at the base ; 

 calyx-teeth subulate, twice as long as the tube; corolla 

 bright yellow, 5 or somewhat 10-toothed, brown in the 

 throat ; filaments hairy ; anthers purplish ; fruiting calyx 

 oblong-ovate, sharply 5-angled, truncate at the base. (P. 

 hirsuti, Dunal; P. pruinosa, Ell.; P. obscura, Michx.) 

 Fields and waste grounds, common. July-October. Stems 

 l°-3° long; leaves 1-2' long. 



NICANDRA, Adans. 



Calyx 5-parted, inflated, 10-toothed at the base ; corolla 

 bell-shaped, plaited, obscurely 5-lobed ; stamens 5 ; anthers 

 separate, opening lengthwise; herry juiceless. — A smooth 

 erect branching annual, with ovate-oblong toothed or lobed 

 petioled leaves, and solitary axillary nodding ^WY)}\e flowers. 



N. PHTSALOIDES, Gsert. (Atropa physaloides, L.) 

 Waste and cultivated ground. July-September. 



