MOKOPETALOUS EXOGENOUS PLANTS. 317 



G4. VALERIAN FAMILY. Order, Valerianace^. 



Herhs with opposite exstipulate leaves, and C3^mose 

 flowers ; calyx-twha adherent to the ovary ; corolla tubular 

 or funnel-shaped, mostly 5-lobed, imbricated in the bud; 

 stamens distinct, fewer than the corolla-lobes, and inserted 

 into its tube ; ovary 3-celled, two of which are empty, the 

 third containing a single suspended anatropous ovule; 

 style slender ; stigmas 1-3 ; fruit 1-3-celIed, 1-seeded ; 

 albumen none. 



VALERIANA, Tourn. Valerian. 



Limb of the calyx composed of several plumose bristles, 

 at first incurved, afterward spreading; corolla gibbous at 

 the base, 5-lobed; stamens 3; fruit 1-celled, 1-seeded. 

 Perennials. 



V. scandens, L. Smooth; stem climbing; leaves on 

 slender petioles, ternately divided; leaflets ovate, entire; 

 cymes paniculate, diffuse, axillary and terminal; corolla 

 very short. 



FEDIA, Moench. Lamb Lettuce. 



Calyx-liml) toothed or obsolete ; corolla funnel-shaped, 

 5-lobed ; stamens 3 ; fruit 3-celled, two of the cells empty 

 and sometimes confluent into one, the other 1-seeded. — 

 Annual herbs, with forking stems, opposite entire or lobed 

 leaves, and white or purplish flowers in crowded bracted 

 cymes. 



F. RADIATA, Miclix. Lcavcs oblong, the upper ones 

 clasping and toothed at the base; fruit mostly downy, 

 ovoid, with a furrow between the parallel and contiguous 

 empty cells; flowers white; stem 6-12' high. 



