SCROPHULARIACEAE 277 



1. Nicotiana rustica L. Wii<D Tobacco. (Man. p. 817 ; I. F. /. 

 3225.) In fields and waste places, Ont., to Minn., N. Y. and Fla. — Penn- 

 sylvania . Northampton. 



2. Nicotiana longiflora Cav. L,ong-Fi<owe;red Tobacco. (Man. p. 

 817 ; I. F./ 3226.) In waste places, eastern U. S. Native of S. Am. — 

 Pennsylvania: Northampton; Dauphin. 



9. PETUNIA Juss. 

 Corolla white ; tube cylindric. i. P. axillaris. 



Corolla violet-purple ; tube campanulate. .i. P. violacea. 



1. Petunia axillaris (Lam.) B.S.P. WhiTB PBTUnia. (Man. p. 

 817 ; I. F. y. 322J.) In waste places, N. Y. and Pa. Native of southern 

 Brazil. — Pennsylvania ; Northampton ; Philadelphia ; Lancaster ; 

 Dauphin ; Allegheny. 



2. Petunia violacea Lindl. Violet Petunia. (Man. p. 817 ; I. F. 

 y. 3228.) In waste places, escaped, N. Y. and Pa. Native of southern 

 Brazil and Paraguay. — Pennsylvania : Delaware ; Northampton ; 

 Dauphin ; Allegheny. 



Family 10. SCROPHULARIACEAE Liudl. Figwort Family. 



Upper lip or lobes of the corolla external in the bud, or wanting (except in 

 Mimulus) . 

 Leaves prevailingly alternate. 1. Verbascum. 



Leaves prevailingly opposite. 

 Corolla-tube with aspur or sac on the lower side near the base. 

 Leaf -blades palmately veined and palmately lobed. 



2. CYMBAL.ARIA. 

 Leaf-blades pinnately veined and entire. 

 Flowers axillary to leaf-like bracts and remote. 3. Kickxia. 

 Flowers approximate, in terminal racemes. 4. Linaria. 



Corolla-tube with neither spur nor sac. 

 Filaments 5, 4 anther-bearing, i sterile ( staminodium ) and different 

 from the others. 

 Staminodium a scale, adnate to the upper side of the corolla-tube. 

 Corolla-tube stouter than the calyx, the lobes of the lower lip indu- 



plicate. 5- Collinsia. 



Corolla-tube longer than the calyx, the lobes of the lower lip flat. 



6. SCROPHULARIA. 



Staminodium elongated. 

 Filaments longer than the staminodium : seeds winged. 



7. Chelonk. 

 Filaments shorter than the staminodium : seeds wingless. 



8. Pentstemon. 

 Filaments 2 or 4. 



Trees. 9. Paulownia. 



Herbs. 

 Anther-bearing filaments 4, or rarely 3, 

 Sepals manifestly united. 

 Calyx tubular : corolla 2-lipped. 10. MiMULUS. 



Calyx campanulate : corolla essentially regular. 



II. LiMOSELLA. 



