SCROPHULARIACE^E. (FIGVTOST FAMILY.) 283 



17. BUOHNERA. Calyx tubular, 5-toothed. Limb of th salver-shaped elongated corolla 6- 



cleft. 



TEIBE IX. GER ARDIEJE. Corolla inflated or tubular, with a spreading and slightly 

 unequal 5-lobed limb. Stamens 4, approximate in pairs : anthers 2-celled. T>-aves op- 

 posite, or the uppermost alternate. 



18. SEYMERIA. Calyx deeply 5-cleft Tube of th corolla broad, not longer than the lobea. 



Stamens nearly equal. 

 19 GERARDIA. Calyx 5-toothed or cleft. Stamens strongly unequal. 



TBIBE X. EUPHRASIE-flS. Corolla tubular, 2-lipped j the upper lip narrow, erect or 

 arched, enclosing the 4 strongly didynamous stamens. 



* Anther-cells unequal and separated. Pod many -seeded. 

 20. CASTILLEIA. Calyx cleft down the lower, and often also on the upper, side. 



* * Anther-cells equal. Pod niauy - several-seeded. 



21 SCHWALBEA. Calyx 5-toothed, very oblique, the upper tooth smallest. 

 22. EUPHRASIA. Calyx 4-cleft. Upper lip of the corolla 2-lobed. Pod oblong. 

 28. RHINANTHUS. Calyx inflated, ovate. Pod orbicular : seeds winged. 

 W. PEDICULARIS. Calyx not inflated. Pod ovate or sword-shaped : seeds wingless. 



* * * Anther-cells equal. Pod 1 - 4-seeded. 

 25. MELAMPYRUM. Calyx 4-cleft. Ovary 2-celled, 4-ovuled. Pod flat, oblique. 



V* GELSEMINE/E. 



96. GELSEMIUM. Corolla equally 5-lobed. Stamens 5. Stigmas 2, two-parted. 



1. VERBASCUItt, L. MULLEIN. 



Calyx 5-parted. Corolla 5-lobed, open or concave, wheel-shaped ; the lobes 

 broad and rounded, a little unequal. Stamens 5 ; all the filaments, or the 3 

 upper, woolly. Style flattened at the apex. Pod globular, many-seeded. 

 Tall and usually woolly biennial herbs, with alternate leaves, those of the stem 

 sessile or decurront. Flowers in large terminal racemes, ephemeral. (The 

 ancient Latin name, altered from Barbascum.) 



1. V. TnApsus, L. (COMMON MULLEIN.) Densdy woolly throughout ; stem 

 tall and stout, simple, winged by the decurrent bases of the oblong acute leaves ; 

 flowers (yellow) in a prolonged and very dense cylindrical spike ; lower stamens 

 usually beardless. Fields, &c. ; common. (A white-flowered variety was gath- 

 ered at Montrose, Penn., Mr. Riley.) (Nat. from Eu.) 



2. V. BLATTARIA, L. (MOTH MULLEIN.) Green and smoothish, slender; 

 lower leaves petioled, oblong, doubly serrate, sometimes lyre-shaped, the upper 

 partly clasping; raceme loose; filaments all bearded with violet wool. Road- 

 sides ; rather common. Corolla either yellow, or white with a tinge of purple. 

 (Nat. from Eu.) 



3. V. LYCHNtxis, L. (WHITE MULLEIN.) Clothed with a thin powdery 

 woolliness ; stem and branches angled above ; leaves ovate, acute, not decurrent, 

 greenish above; Jlowers (yellow, rarely white) in a pyramidal panicle; filaments 

 with whitish wool. Road-sides, Penn v rare, and sandy fields at the head of 

 Oneida Lake, New York ; where it hybridizes freely with the common Mullein. 

 (Adv. from Eu.) 



