284 SCROPHULABIACEiE, (PIGWORT TAMILT.) 



2. liinTARIA, Toum. Toad-Flax. 



Calyx 5-parted. Corolla personate, with the prominent palate often nearly 

 closing the throat, spurred at the base on the lower side. Stamens 4. Pod 

 thin, opening below the summit by one or two pores or chinks, toothed. Seeds 

 many. — Herbs, with at least all the upper leares alternate. (Name from 

 Linum, the Flax, which the leaves of some species resemble.) 



* Leaves sessile, narrow. 



1. It. Canadensis, Spreng. (Wild Toad-Flax.) Smooth ; stem slen- 

 der, erect, mostly simple, with scattered linear leaves ; those from prostrate shoots 

 oblong, crowded, and mostly opposite or whorled ; flowers blue (very small), in 

 a slender raceme, short-pedicelled ; spur thread-shaped (occasionally wanting). 

 (1) @ — Sandy soil ; common, especially southward. June - Aug. 



2. L. tulgAkis, Mill. (Toad-Flax. Buttek-and-eggs. Kamsted.) 

 Smooth and pale, erect (l°-3° high); leaves alternate, crowded, linear or lance- 

 olate, acutish; flowers crowded in a dense raceme, yellow, pretty large (1' long) ; 

 spur awl-shaped; seeds flattened and margined. % — Old fields and road-sides ; 

 common eastward : a. showy but pernicious weed. Aug. — The Peloria state, 

 with a regular 5-cleft border to the corolla, 5 spurs, and 5 stamens, has been ob- 

 served in Pennsylvania by Dr. Darlington. (Nat. from Eu.) 



3. L. 6EifiSTiF6LiA, Mill. Very smooth and glaucous, paniculate-branched ; 

 leaves lanceolate, acute, often partly clasping ; flowers scattered, yellow (smaller 

 than in No. 2); seeds angled and wrinkled. Ij. — Road-sides, New York, near 

 the city (S. J. Clark, Lesquereux). (Adv. from Eu.) 



* * Leaves pefioled, broad, veiny. 



4. L. ElAtine, Mill. Hairy, branched, procumbent ; leaves alternate, ovate 

 and halberd-shaped, mostly shorter than the slender axillary peduncles ; flowers 

 small, yellow and purplish; sepals lanceolate, very acute. ® — Fields and 

 banks, E. Massachusetts to Virginia; scarce. (Adv. from Eu.) 



3. ANTIRRHtWrM, L. Snapdragon. 



Corolla saccate at the base, the throat closed by the large bearded palate. 

 Seeds oblong-truncate. Otherwise nearly aa Linaria. Corolla commonly 

 showy, resembling the face of an animal or a mask ; whence the name (from 

 dvTL, in comparison with, and pcv, a .snout). 



1. A. (3K6NTinM, L. Stem erect (6' -12' high); leaves lanceJinear ; spikes 

 loosely few-flowered; sepals longer than the purplish corolla. (J) — Fields, 

 Virginiaj &c. ; scarce. (Adv. from Eu. ) 



A. mAjus, L., is the common cultivated Snapdragon. 



4. SCROPHUIiARIA, Toum. Figwoet. 



Calyx deeply 5-cleft. Corolla with a somewhat globular tube ; the 4 upper 

 lobes of the short border erect (the two upper longer), the lower spreading. 

 Stamens 4, declined, with the anther-cells transverse and confluent into one ; the 

 vestige of the fifth stamen forms a scale-like rudiment at the summit of the tube 



