230 8CROPHULARIACE.E. 



plish tiuee. on pedicelfl nearly an inch long. Stamens unequal, purplish; the fda- 

 merits all hairy. 



3. V. Ltchnitis, L. White Mullein. 



Clothed with a thin powdery woolliness; leaves ohlong. wedge-form, greenish 

 al-ovc; Jhwersin a pyramidal panicle ; filaments white- woolly. 



Old fields, roadsides, rare. Introduced from Europe. July. An<r. Stem 2 

 feet high, angular. F letters pale-yellow. Calyx small, with -lance-subulate seg- 



2. EINARIA, Tourn. Toad-flax. 



Named from Linum, the flax, which the leaves of senvj mble. 



. Calyx 5-parted. Corolla personate, with the promi- 

 nent palate nearly closing the throat, spurred at the base or. 

 the lower side. Stamens 4, didynamons. Capsule ovoid 

 or globose, opening below the summit by 1 or "2 pores or 

 chinks, the orifice split into teeth. Seeds numerous. — 7/< . It 

 with the lower leaves opposite or whorlcd, the upper all< matt- , 

 and solitary, axillary flowers often forming terminal leafy 

 racemes. 



1. L. canadensis, Spreng. Wild Toad-flax. 



Smooth; stem slender, erect, mo?tly simple, with scattered linear leaves; fiowert 

 racemed, on short pediecls; spur thread-form, curved. 



Low grounds. May — Aug. Annual. Stem about 1 foot high, slender, effen 

 throwing out suckers at the base, which bear oblong, crowded, mostly opposite or 

 whorlcd leaves. Flowers blue, in a slender raceme, variable in size. 



2. L. vulgaris, Mill. Common Toad-flax. 



Smooth and glaucous; stem erect; leaves alternate, crowded, linear-lance 

 flowers in a dense raceme, on pidieels shorter than the bracts: spur awl-sb: : 



Roadsides and parte places? canum June— Get 1'er. Stem 1 to 2 fcet high, 

 a metimes somewhat branched. Flowers large and numerous, pale yellow, with a 

 Jeep orange palate, hairy in the throat, in a dense bractcate raceme, rarely with 3 tt 

 6 spurs. 



3. L. Elatine, Mill. . SKarp r pointed Toadflax. 



Iftfiry; branched from the has;; leaves alternate, ovate-haltert-fcrm peti 

 fi'.wers axillary, on slender pediiarfes; spur slender. 



Fields and banks, sparingly introduced. July. .Ann. Stem procumbent, 1 to* 

 3 fcet higb> with spreading branches Flowers yellow andpnrplnh, email. 



3. ANTIRRHINUM, Linn. Snap-dragon. 



v>r. anti, like, rin, a ncse; from the resemblance of the Cowers to the snout af « :l» 

 animals. 



Calyx 5-sepalled. Corolla gibbous (not spurred) a* 

 base, the upper lip 2-parted, lower 3-parted, closed by the- 

 prominent palate. Capsule without valves, opening by 3 

 pores, — European hcrls, with the lower leaves opposite, the 

 •upper alternate, and showy flowers in leafy terminal racemes. 





