SCROPHUIvARIACEAE 279 



adv. from Eu., N. Y., N.J. and Pa., and in seaport ballast.— Pennsylva- 

 nia; Bucks. 



3. KICKXIA Dumort. 



I<eaf-blades ovate to orbicular-ovate, merely rounded or cordate at the base. 



I. JiT. spuria. 

 I<eaf-blades triangular, hastate at the base. 2. K. Elatine. 



1. Kickxia spuria (L.) Dumort. Round-i,eavbd Toad-plax. (Man. 

 p. 820; I. '^.f. 3234.) Nat. of Eu. Adv. or nat. in eastern N. Am.— 

 Pennsylvania : Phii,adei,phia, especially on ballast. 



2. Kickxia Elatine (L.) Dumort. Sharp-pointed Fi,uei,i<in or 

 ToAD-FJvAX. (Man. p. 320 ; 1. F./. 323s.) Nat. of Eu. Nat. in eastern 

 N. km.— Pennsylvania : Bucks, Pleasantville ; Phii,adei<phia. 



4. LINARIA Hill. 



Corolla yellow, 25-30 mm. long. i. L. Linaria. 



Corolla blue or white, 6-12 mm. long. 



Corolla blue ; spur filiform, curved : native species. 2. L. Canadensis. 



Corolla white, striped with blue or purple ; spur conic, short : naturalized 

 species. 3. L. repens. 



1. Llnaiia Linaria (L.) Karst. Ranstbad. Butter- and-Eggs. 

 (Man. p. 821 ; I. F. /. 3236.) In fields and waste places, N. S. to Man., Va. 

 and Kans. Nat. from 'Ba.— Pennsylvania : Monroe ; Northampton ; 

 Bucks ; Phii,adei,phia ; Dei,aware ; Chester ; Lancaster ; Mont- 

 gomery ; Frankwn ; Huntingdon ; Erie ; Berks ; Ai,i<EGheny. 



2. Linaria Canadensis (L.) Dumort. Blue or Wii^d Toad-Flax. 

 (Man. p. 821 ; I. F. /. 3238.) In dry soil, N. S. to Fla., Ore. and Calif. 

 Also in Cent, and S. Am. — Pennsylvania : Lackawanna ; Bucks ; 

 Delaware ; Lancaster. 



3. Linaria repens (L.) Mill. Pale-blue Toad-flax. (Man. p. 821 ; 

 I. F. f. 3239.) Newf. and in ballast about the Atlantic seaports. Adv. 

 from Eu. — Pennsylvania : Philadelphia, on or about ballast. 



5. COLLINSIA Nutt. 

 1. ColUnsia vema Nutt. Blue-EyEd Mary. (Man. p. 826 ; I. P. f. 

 3261.) In moist woods and thickets, western N. Y. and Ont. to Wis., 

 Pa., Ky. and the Ind. Terr. — Pennsylvania: Westmoreland; Wash- 

 ington; Allegheny. 



6. SCROPHTJLARIA L. 



Corolla dull without : sterile filament deep purple. i. 5. Marylandica. 



Corolla lustrous without : sterile filament greenish yellow. 2. 5. leporella. 



1. Scrophulaiia Marylandica L. Maryland Figwort. (Man. p. 

 822; I. F. /. 3242.) In woods and thickets, Me. to S. Dak., N. C, 

 Ga. and Tenn. — Pennsylvania : Northampton ; Bucks ; Delaware ; 

 Chester ; Lancaster ; Franklin ; Allegheny. 



2. Scrophularia leporella Bicknell. Hare Figwort. (Man. p. 822; 

 I. F.y; 3243.) In woods and along roadsides, Vt. to Conn., Minn., Va. 

 and Kans. — Pennsylvania : Pike ; Monroe ; Northampton ; Bucks. 



