352 



NATURAL HISTORY OF PLANTS, 



opposite, often coriaceous, with interpetiolar stipules. The inflo- 

 rescences are terminal and axillary false-capitules. In those forming 

 the genus Breonia, shrubs of Madagascar, the common peduncle may 

 bear a spathelike involucre at first enveloping the inflorescence, then 

 prolonged above it in a sort of long horny beak. 



XII. DIERVILLA SERIES. 



Diervilla ( Weigelia) japonica. 



Diervilla acadiensis. 



The flower and fruit in Diervilla^ (fig. 355-359) are in construction 



the same as in many Cinchonece ; but 

 the leaves are without stipules. The 

 floral recep- 

 tacle, in the 

 form of an 

 elong ate 

 gourd with 

 narrow neck, 

 bears on its 

 margin five 

 elongate se- 

 pals, united 

 at the base, 

 often persis- 

 tent. The 

 corolla, fun- 

 nel- or bell- 

 shaped, is 

 nearly regu- 

 lar. One of 

 its five lobes, 

 however, the 



anterior, often differs somewhat from 

 the rest, particularly in coloration, and 

 its base is accompanied with a gland of variable form, not found 



Fig. 356. Long. sect, of flower {\). 



Fig. 355. Floriferous branch (i 



^ T. Act. Acad. Par. (17C6) t. 7, fig. 1.— L. iv. 330.— Spach, Suit, d Bvffov, viii. 359.— 

 Hort. Cliff. 63, t. 7.— J. Gen. 211.— DC. Prodr. Endl. Geju n. 3336; Suppl. i. 1394.— A. DC. 



