SCEOPEVLARIACEAE. 285 



Lycopersicon Lycopersicon (L.) Karat. Tomato. iiscaped; 

 waste places. Summer. 



4. LYCIUM L. 

 1. Lycium vulqake (Ait. f.) Dunal. Matrimony-vine. M. p. 816. Waste 

 ground about dwellings; escaped. Summer. 



5. HYOSCYAMUS L. 

 1. Hyoscyamus NIGER L. Black Henbane. M. p. 816. Waste places. 

 Summer. 

 Philadelphia — Girard Point (Cr.), Greenwich Point, I. Burk (Fu.) 

 (Te.). 5«cA-s— Sellersville (Ja.) (Fr.). 

 Comdew— Kaighn's Point (Ja.). 



6. DATUEA L. Thorn Apple. 



Stem green; Howers white; lower prickles of the fruit shorter. 



1. D. Stramonium. 

 Stem purple ; flowers lavender or violet ; prickles about equal. 



2. D. Tatula. 



1. Datura Stramonium L. Jamestown- or Jimson-weed. M. p. 816, 



Waste grounds. Summer. 



2. Datura Tatula L. Purple Thorn Apple. M. p. 816. Waste grounds. 



Summer. 



7. PETUNIA Juss. 



Corolla white, its tube cylindric. 1. P. axillaris. 



Corolla violet-purple, its tube campanulate. 2. P. violacea. 



1. Petunia axillaris (Lam.) B. S. P. M. p. 817. Waste places; escaped. 



Summer. 



2. Petunia violacea Lindl. M. p. 817. Waste places; escaped. Summer. 



Petunia parviflora Juss. M. p. 818. Waste places and ballast. 

 Summer. 

 PMZadeip/iia— Philadelphia Navy Yard, Mart. (B. (J.). North- 

 ampton — Easton, Porter (B. C). 

 Camden — Kaighn 's Point (Ja.). 



Family 9. SCROPHULAEIACEAE Lindl. Figwort Family. 



1. Anther-bearing stamens 5 ; corolla rotate ; leaves alternate. • 



1. Verbascum. 



2. Anther-bearing stamens 2 or 4; leaves opposite, verticillate or alternate. 



Corolla spurred, saccate or gibbous on the lower side. 

 Leaves palmately 3-5-veined. 2. Cymbalaria. 



Leaves pinnately veined. 



Flowers solitary in the axils. 3. Kickxia. 



Flowers in terminal racemes. 4. Linaria. 



Corolla neither spurred, saccate nor gibbous on the lower side. 

 Anther-bearing stamens 4, the fifth sterile or rudimentary. 

 Sterile stamen a scale adnate to the upper side of the corolla. 



5. Scrophularia. 



