CAPRIFOLIACEAE. 373 



Viburnum Tinus L., Laurestinus, European, planted for ornament, is a 

 shrub ^"-lO" high, glabrous or nearly so, with ovate to elliptic, entire acute 

 leaves 2'-4' long, often ciliate, and terminal cymes of white, slightly odorous 

 flowers, the rotate-campanulate corolla 3"-4" broad, the nearly black drupes 

 ovoid, about 4" long. 



Abelia serrata Sieb. & Zucc, Japanese Abelia, grown in gardens for 

 ornament, is a shrub about 6° high, which may be trained against walls, with 

 slender branches, ovate short-petioled toothed acute or acuminate leaves 

 about 1' long, the white flowers in small terminal leafy panicles, the calyx 

 of 4 thin oblong veiny sepals, the funnelform-campanulate corolla 7"-9" long, 

 longer than the stamens. 



Order 8. VALERIANALES. 



Herbs, the corolla gamopetaloiis. Stamens mostly fewer than the 

 corolla-lobes; anthers separate. Ovary inferior, 1-celled with 1 pendulous 

 ovule, or 3-ceIled with 2 of the cavities without ovules. 



Ovary 3-celIed, 2 cavities empty. Fam. 1. Valerianaceae. 



Ovary 1-celled ; flowers densely capitate, involucrate. Fam. 2, Dipsacaceae. 



Family 1. VALEEIANACEAE Batseh. 



Valerian Family. 



Herbs, with opposite leaves, no stipules, and usually small flowers, in 

 cymes. Calyx-tube adnate to the ovary, its limb inconspicuous or none in 

 flower, often becoming prominent in fruit. Corolla epigynous, somewhat 

 irregular, its tube narrowed, and sometimes gibbous or spurred at the base, 

 its limb spreading, mostly 5-lobed. Stamens 1-4, inserted on the corolla 

 and alternate w^ith its lobes. Ovary inferior, 1-3-celled, one of the cavities 

 containing a single anatropous ovule, the others empty. Fruit indehiscent, 

 dry, containing a single suspended seed. Endosperm little or none ; embryo 

 straight; cotyledons oblong. About 9 genera and 300 species, of wide 

 distribution. 



Corolla-tube short, not spurred : stamens 3. 1. Valerianella. 



Corolla-tube long, spurred; stamen 1, rarely 2. 2. Centranthus. 



1. VAIiERIAJSTELLA Poll. 



Annual diehotomously branched herbs, the basal leaves tufted, entire, 

 those of the stem sessile, the flowers in compact or capitate c\Tnes. Corolla 

 small, white, blue, or pink, nearly regular. Calyx-limb short or obsolete in 

 flower, often none. Corolla-tube narrowed at the base, the limb spreading, 

 5-lobed. Stamens 3. 8tyle minutely 3-lobed at the summit. Fruit 3-celled, 

 2 of the cells empty, and in our species about as large as the fertile one. 

 [Name a diminutive of Valerian.] About 50 species, of the northern hemi- 

 sphere, the following typical. 



