658 



ARBORETUM ET FRUTICETUM BRITANNICUM. 



Calycine segments linear-lanceolate, bluntish. 

 Segments of corolla broadish at top. Flow- 

 ering stems usually erect. Flowers void of 

 scent. Corolla blue, with white throat, 

 varying to purple and white ; of a smaller 

 size than that of V. major. (Don's Mill.) 

 A trailing evergreen undershrub. Europe ; 

 in many places in Britain, in hedges and 

 woods, in rather damp situations. Flowers 

 blue ; March till September. 



Varieties. 



&r V. m. 2 fbliis argenteis Lodd. Cat. 



Leaves variegated with white. 

 3U- V. m. 3 fbliis aureis Lodd. Cat. Leaves 



variegated with yellow. 

 SW V. m. ^ fibre dlbo Lodd. Cat. Flowers 



white. 

 !IW V. m. bflorepleno Lodd. Cat Flowers 



double. 

 aw V. TO. 6 fore pumceo Lodd. Cat. 



Flowers red. 

 At V. m. 7 acutiflbra Bert. Leaves ovate 



acute at both ends j margins glabrous . 



Segments of corolla oblique ; ovate- 

 acuminate. South of Europe. Flowers blue ; March and April. 



ORDER LI. 



ORD. CHAR. Calyx 5-cleft, persistent. Corolla 5-lobed ; aestivation usually 

 imbricate. Stamens 5, epipetalous. Pollen masses equal in number to the 

 cells of the anthers, which are 2 or 4, and fixed to fine processes of the 

 stigma. Ovarium twin. Styles 2, crowned by one stigma. Fruit of 2 

 follicles. Seeds numerous, imbricate, furnished with a tuft of hair at the 

 umbilicus. Albumen thin, The pollen being combined into a definite 

 number of waxy masses separates this order from all other dicotyledonous 

 orders. (Cr. Don.) 



Leaves simple, opposite, exstipulate, deciduous ; shining, entire. Flower* 

 subumbellate. Twining shrubs ; natives of South Europe and Asia. 



GENUS I. 



PERI'PLOCA L. THE PERIPLOCA. 



R. Br. in Mem. Wern. Soc., 1. p. 57. 

 Periploca Fr. ; Schlinge, Ger. ; Periploca, Ital. 



Lin. Syst. Pentandria Digynia 



Don's Mill.. 4. p. 163. 



Identification. 



Synonymes. 



Derivation. From peripleko, to wrap about ; in allusion tc the twining stems. 



Gen. Char. y fyc. Corolla rotate. Throat furnished with 5 awned scales, which 

 alternate with the segments of the corolla. Filaments distinct. Anthers 

 cohering, bearded on the back. Pollen masses applied to the dilated tops 

 of the corpuscles of the stigma, solitary, or composed of 4 confluent ones. 

 Stigma almost mutic. Follicles cylindrical, much divaricate, smooth. Seeds 

 comose. (Don's Mill.) 



Leaves as in the Order. Flowers subcorymbose, interpetiolar. Shrubs, 



