CL. V.] PENTANDRIA MONOGYNIA. 133 



1. R. cathdrticus. Buckthorn. Thorns terminal; flowers four-cleft, 



dioecious; leaves egg-shaped, acutely serrated ; stem erect. A shrub, 



with spreading branches, each ending in a sharp thorn : flowers yellow- 

 ish-green : berries globular, bluish-black. The juice of the unripe berry 

 dyes yellow. When ripe they are nauseous and violently purgative. 

 Flowers in May: grows in thickets and hedges: common in England ; 

 rare in Scotland and Ireland. Eng. Bot. vol. xxiii. pi. 1629. Eng. Fl. 

 vol. i. p. 329. 370. 



2. R. Frdngula. Alder Buckthorn. Thorns none ; flowers all perfect ; 



leaves entire. A shrub, three or four feet high, with numerous black 



branches : flowers five-cleft, whitish : berries dark-purple. Th berries 

 before they are ripe dye green. Flowers in May : grows in woods and 

 thickets, in England : frequent. Eng. Bot. vol. iv. pi. 250. Eng. Fl. 

 vol. i. p. 329. 371. 



35. EUO'NYMUS. SPINDLE-TREE. 



Calyx inferior, of one leaf, deeply divided into five rounded, 

 permanent segments. Petals five, egg-shaped, flat, spreading, 

 longer than the calyx. Filaments awl-shaped, erect, shorter than 

 the corolla, arising from the germen ; anthers two-lobed. Germen 

 pointed. Style short, simple ; stigma obtuse. Capsule succulent, 

 coloured, five-sided, five-cornered, five-celled, five-valved. Seeds 

 egg-shaped, solitary, enveloped in a succulent coat. Named after 

 Euonyme, the mother of the Furies. 120. 



1. E. Europ&'us. Spindle-tree. Prickwood. Flowers mostly four- 

 cleft ; branches smooth ; leaves egg-shaped, pointed, serrated. A 



shrub or small tree, with green, smooth bark : flowers small, greenish- 

 white, the first only five-cleft: the fruit is violently emetic and purgative. 

 Flowers in May : grows in hedges and thickets : frequent in England 

 and Ireland; rare in Scotland. Eng. Bot. vol. vi. pi. 362. Eng. Fl. 

 vol. i. p. 330. 372. 



36. RI'BES. CURRANT. 



Calyx superior, of one leaf, tumid, permanent, with five oblong, 

 spreading, marginal segments. Petals five, small, obtuse, erect, 

 from the edge of the calyx. Filaments awl-shaped, short, erect, 

 arising from the calyx ; anthers compressed, two-lobed. Germen 

 roundish. Style cleft; stigma obtuse. Berry globular, dimpled, 

 one-celled, with two lateral, longitudinal receptacles. Seeds 

 numerous, roundish, somewhat compressed. Name given by mis- 

 take, it having been applied by the Arabian physicians to a dif- 

 ferent plant. 121. 

 * Without prickles. 



1. R. ri'ibrum. Common Currant. Clusters smooth, pendulous; 



flowers nearly flat ; petals inversely heart-shaped. A bushy shrub, 



with a smooth deciduous cuticle : clusters simple : petals greenish-white : 

 berries globular, red. Flowers in May : grows in woods and thickets, 

 but seldom, if ever, truly wild. Isle of Isla, according to Lightfoot ; 

 banks of the Tees. Eng. Bi>t. vol. xviii. pi. 1289. Eng. Fl. vol. i. 

 p. 331. A variety, with clusters somewhat hairy, when in flower erect, 

 when in fruit pendulous, grows in woods, in Durham, and near Airly 

 Castle. Eiig. Bot. vol. x. pi. 705. -R. petrtf'um, Hock Currant. Eng. 

 M 2 



