288 SCROrHULARIACEyE. (VlGWORT FAMILY.) 



+- *- h- Stamens 4 Flowers racemed or spiked. 

 ++ Anthers 1-celled. 

 16. r.UCHNERA. Corolla salver-sbaped. Stamens didynamous. Flowers spiked. 



++ h+ Anthers 2-celled. Stamens equal. 

 16. SEYMERIA. Corolla bell-shaped, yellow. Stamens included. 

 IT. MACRAXTIIERA. Corolla tubular, orange. Stamens long-exserted. 



h+ ♦+ -H- Anthers 2-celled. Stamens didynamous. 

 IS. OTOPIIYLLA. Anthers unequal. Corolla bell-shaped. Upper leaves 2-eared at the base. 



19. DASYSTOMA. Anthers equal, awned at the base. Corolla funnel-shaped, yellow. Leaves 



mostly pinuatifid. 



20. GEItARDIA. Anthers equal, pointed at the base. Corolla bell-shaped, purple. Leaves 



narrow, entire. 

 * * Corolla tubular, 2-lipped ; the upper lij» arching and enclosing the 4 didynamous stamens. 

 h- Anther-cells unequal. 



21. CASTILLEIA. Anther-cells separate. Leaves alternate, the floral ones colored. 



+- h- Anther-cells equal. 



22. SCIIWALBEA. Calyx 10-12-ribbed, the upper teeth smaller. Capsule oblong, many- 



seeded. Leaves entire, alternate. 



23. PEDICULARIS. Capsule sword-shaped, few-seeded. Leaves pinnatifid. 



24. MELAMFYRUM. Calyx 4-cleft. Capsule flat, 1-4-seeded. Lpper leaves bristly-toothed 



at the base. 



1. VERBASCUM, L. Mullein. 



Calyx 5-parted. Corolla rotate, 5-lohcd ; the lobes nearly equal, roundish. 

 Stamens 5, declined, all, or a part of them, bearded. Stigma simple. Capsule 

 globose, many-seeded. — Tall biennial herbs. Leaves alternate. Flowers in 

 racemes. 



1. V. Thapsus, L. Woolly throughout; stem stout, simple ; leaves 

 slightly crenate, rugose ; the lowest large, oblong, petioled, the others broadly 

 decurrent on the stem; raceme spike-like, dense, cylindrical; flowers yellow. — 

 Old fields and waste ground. Introduced. — Stem 2° -5° high. Lowest leaves 

 1° long. Kaceme rigid, 1° - 2° long. 



2. V. Blattaria, L. Stem smooth below, pubescent above, sparingly 

 branched or simple; leaves smooth, oblong, acute, serrate or pinnately lobed ; 

 the lowest petioled ; the upper clasping ; racemes elongated, glandular, the 

 flowers scattered ; corolla bright or pale yellow ; filaments all bearded with 

 purple hairs. — Waste ground, chiefly in the upper districts. Introduced. — 

 Stem 2° -3° high. 



3. V. LychnitiS, L. Plant mealy-white ; stem branching and angled 

 above ; leaves ovate, acute, sessile; the lowest narrowed into a petiole, greenish 

 above; flowers in a pyramidal panicle, yellow; filaments bearded with white 

 hairs. — In Carolina, Muhlenberg. Introduced. 



2. SCROPHULARIA, L Figwort. 



Calyx B»parted. Corolla globose or oblong, 5-cleft ; the 4 upper lobes erect, 

 with the two uppermost longer; the lowest spreading. Stamens 4, declined; 

 the fifth sterile and scale-like, placed near the orifice of the tube of the corolla: 



