MONOPETALOUS EXOGENOUS PLANTS. 389 



tt Stamens 4-5, equal. Peduncles (unllary, 2 or more together. 

 Corolla bell-shaped^ h-clefl. Capsule loculicidal. Leaves alternate Capraria. 



ttt Stamens 4. Flowers racemed or spiked. 

 X Anthers 2ceUed. Stamens equal. 



Corolla salver-shaped. Stamens didynamous. Flowers spiked Buchneba. 



XX Anthers 2-celled. Stamens equal. 



Corolla be/l-s!iaped, yellow. Stamens included Setmeria. 



tubular, orange. Stamens long-exserted Macranthera. 



XXX Anthers 2-celled. Stamens didynamous. 



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

 piimat\fld Daststoma. 



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

 entire Gerardia. 



** CoroUa tubular, Ji-lipped ,' the upper lip arching, and inclosing the 4 didy- 

 namous stamens. 



t Anther-cells unequal. 



Anther-cells separate. Leaves alternate, thefioraX ones colored. 



tt Anther-cells equal. 



Calyx l(^12-ribbed, the upper teeth smaller. Capsule oblong, many-seeded. Leaves 



entire, alternate Schwalbea, 



Capsule sword-shaped, few-seeded. Leaves pinnatifd Pediccxaris. 



VERBASCUM, L. Mullein. 



Calyx 5-parted ; corolla rotate, 5-lobed, the lobes nearly 

 equal, roundish; stamens 5, declined, all, or a part of them, 

 bearded; stigma ^\m^\Q\ capsule globose, many-seeded. — 

 Tall biennial herbs ; leaves alternate ; flowers in racemes. 



Y. Blattaria, L. Stem smooth below, pubescent 

 above, sparingly branched or simple; leaves smooth, ob- 

 long, 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. Stem 2°-3° high. 



