DTCOTYLKDONS. 71 



III. SAPONARIA. 



Annual or perennial ; stems erect or diffuse ; leaves usually 

 broad ; cymes densely flowered ; calyx tubular, striate, 5- 

 toothed ; petals 5, entire, ap})endaged ; stamens 10 ; styles 2 ; 

 capsule 1-celled, 4-tootlied at the apex. 



8. oFFicixALis L. Bouncing 13kt. Perennial; stems stout, 

 smooth, erect, sparingly branched, 1-2 ft. tall ; leaves ovate, acute, 

 strongly 8-5-ribbed, petioles short, broad and somewhat connate ; 

 flowers pink or white, 1 in. broad, showy, often double ; petals 

 obcordate, crowned ; capsule shorter than the calyx. May-July. 

 Naturalized about old gardens. 



IV. DIANTHUS. 



Mostly perennial; stems erect, rigid; leaves narrow, and 

 usually connate ; flowers terminal, solitary or in cymose clus- 

 ters ; calyx several-bracted at the base, tubular, striate, 5- 

 toothed; petals 5, long-clawed, dentate or crenate; stamens 

 10 ; styles 2, ovary 1-celled, raised on a short stipe ; capsule 

 cylindrical. 



D. BARBATi's L. SwKKT ^^'ILI.IAM. renMiuial. oftiMi iu large 

 clumps; stems erect, branching above, smooth, l-L' ft. tall; leaves 

 lanceolate, 2-3 in. long, acute ; flowers pink or white, in terminal 

 clusters, bracts linear, as long as the calyx. May-.\ugust. Common 

 about old gardens. 



V. CERASTIUM. 



Annual or perennial ; stems difftise, usually ])nl)escent ; 

 leaves opposite ; flowers white, ])eduncled, in terminal, regu- 

 larly forking cymes ; sepals 4 ;"> ; i)etals 4-5, emarginate or 

 2-cleft; stamens 10; styles 5 or less; capsule cylindrical, 

 1 -celled, many-seeded. 



C. viTUiATi'M L. M<>rsK-K.Ai{i;i> CiiicKWKKn. Annual or 

 sometimes perennial; stems dilYuse, tufted, clammy-puhescent, (J -12 

 ill. higli ; lower leaves spatulate, the upper ohlong, acute orohtuse; 

 bracts scarious ; flowers in loose cymes, pedicels becoming much 

 longer than the calyx ; .sepals lanceojate, acute, about as long as tiie 

 2-cleft petals; slender capsule becoming twice as long as the calyx 

 and curved upward. .Xiwil-May. A common L;arden weed. 



