SCKOPHULARIACE.E. (fiGWORT FAMILY.) 309 



the corolla abruptly dilated near the base; the lips nearly equal. — Dry soil, 

 Georgia, Florida, and westward. July. — Stem 2° high. Corolla 9"- 12" 

 long, white or pale purple. 



Var. multiflorus, Benth. Larger (3°-4°) high; leaves thicker ; cymes 

 mauy-lloweretl, forming a large spreading panicle ; corolla smaller. — Pine 

 barrens, Floriila. 



5. LINARIA, Juss. Toad-Flax. 

 Calyx deeply 5-parted. Corolla personate, spurred at the base ; the upper 

 lip emarginate or 2-lobed; the lower 3-lobed; the throat commonly closed by 

 the prominent palate. Stamens 4, didynamous. Capsule globose or ovoid, 

 opening at the apex, with few or several tooth-like valves, many-seeded. — 

 Herbs, witli alternate or (on the radical branches) opposite or whorled leaves, 

 and axillary or racemose flowers. 



* Stems with prostrate brunches at the base, which bear broader opjioske or 



ichorled leaves. 



1. L. Canadensis, Spreng. Smooth; stem erect, slender, mostly .sim- 

 ple ; leaves liiicar, Hat ; those on the radical branches oblong ; racemes straight ; 

 pedicels erect, as long as the calyx; lobes of the small (3" -4") blue and 

 white corolla rounded ; spur filiform, curved, as long as the pedicels. — Culti- 

 vated ground, common. April -May. (2) — Stem l°-2° high. 



2. L, Floridana, Chapm. Stem smooth, ascending, paniculately much 

 branched ; leaves fleshy, terete, linear or club-shaped ; those on the radical 

 branches obovate ; racemes flcxuous, glandular hairy ; pedicels spreading, 3 - 

 4 times as long as the calyx ; lobes of the small (2") blue corolla truncate or 

 emarginate; spur very short. — Sandy coast, Florida. April -May. @ — 

 Stem 3'- 12' high. 



* * Prostrate branches none. 



3. L. vulgaris, Miller. Smooth ; stem erect, simple or branched ; 

 leaves alternate, linear or linear-lanceolate, crowded ; raceme dense; flowers 

 large (T long), yellow; spur subulate; seeds flattened, margined. — Waste 

 places. Naturalized. [^ — Stem l°-3° high. 



4. L. Elatine, IMiller. Hairy; stem prostrate, slender, branching; 

 leaves small, ovate and hastate ; the lowest sometimes opposite and toothed ; 

 pedicels axillarj% filiform, commonly longer than the leaves ; flowers snnill, 

 yellow and purplish ; calyx lobes lanceolate, acute. — Waste places. Natural- 

 ized. — Stem 4' - 1 2' long. 



6, MIMTJLUS, L. Moxket-flower. 



Calyx tubular, 5-angled, sharply .5-toothed. Corolla bilabiate ; the upper 

 lip 2-lobed, erect or reflexed ; the lower 3-lobed, spreading. Stamens 4, 

 didynamous : anther cells . somewhat confluent. Stigma ovate, 2-lipped. 

 Capsule loculicidally 2-valved, many-seeded. — Erect smooth perennial herbs, 

 with oppo.iite leaves, and axillary purple flowers. 



1. M. ringens, L. Stem compressed, 4-angled, the angles wingless; 

 leaves oblong or lanceolate, denticulate, cordate and clasping at the base; 



