KEY. 177 



dry, 3- to 6-celled. Corolla-limb nearly entire. Flowei-s pale 

 blae, solitary, on axillary and terminal peduncles. 



Nicandra physaloides, Ga3rtn. 



393. Leafless, parasitic herbs, yellowish or reddish, with 

 thread-like stems, beset with minute scales, twining around 

 other plants. Corolla globular-urn-shaped, bell-shaped, or 

 somewhat tubular, the spreading limb 5- (rarely 4-) cleft. 

 Flowei-s small, commonly white, in clustered, cymose glome- 

 rules. (344) Cuscuta. 

 Plants with green leaves 393 



393. Leaves alternate (sometimes crowded) 394 



Leaves opposite, at least most of them (sometimes 



crowded) 405 



394. Anther-cells opening by terminal pores, or by a 

 transverse line 395 



Anther-cells opening lengthwise 396 



393. Prostrate, creeping herbs, with crowded, evergreen 

 leaves. Anthers opening by a transverse line, awn-pointed 

 at the base. Flowers solitary and sessile, very numerous, 

 white, or rose-color. Fj^idanthera jbarbulata, Mx. 

 Erect shrubs. Flowers showy, rose-color, pink, or 

 whitish, often glandular-viscid, often fragrant. Stamens 

 long, exserted; anthers opening by 2 terminal pores. Corolla 

 funnel-form, 6-lobed, slightly ii-regular ; the lobes spreading. 

 Calyx often minute. Pod 5-celled, 5-valved, many-seeded. 

 Shrubs. Azalea. 



396. Leaves pinnate; leaflets iT-ll. Ovary 3-celled. 

 Style 3-lobed. Flowers few, in corymbs, blue, nodding. 

 Filaments hairy-appendiculate at the base. 



Folemonium reptans, L. 

 Leaves simple 397 



397. All the 5 filaments, or the 3 upper ones, woolly. 

 Corolla wheel-shaped, 5-lobed; the lobes rounded. Pod 

 globular, 2-celled, the placentae in the axis. Flowers in large, 

 terminal racemes, ephemeral. Leaves sessile, or decurrent. 



Verbascum. 



Filaments not woolly. Coi-oUa often plaited. ..398 



