134 PENTANDBIA MOKOGYNIA. [cL. V. 



Eng. Sot. vol. x. pi. 705. R. petrce'um, Rock Currant. Eng. Fl. 

 vol. i. p. 332. Another variety, called by some R. spicdtum, Acid 

 Mountain Currant, has the spikes erect, with nearly sessile flowers. 

 It grows near Richmond, Yorkshire. Eng. Bot. vol. xviii. pi. 

 1290. Eng. Fl. vol. i. p. 332. 373. 



2. R. alpinum. Tasteless Mountain Currant. Clusters erect, 

 both in flower and in fruit ; bracteas longer than the flowers ; 



leaves shining on the back. A shrub with erect branches, 



greenish, sometimes dioecious flowers, and scarlet, insipid berries : 

 flowers in May: grows in thickets : rare. Eng. Bot. vol. x. pi. 

 704. Eng. Fl. vol. i. p. 333. 374. 



3. R. nigrum. Black Currant. Clusters hairy, pendulous, with 

 a separate single -flowered stalk at the base of each ; flowers bell- 

 shaped ; leaves glandular. A shrub with erect branches, pale- 

 green flowers, and globular, black berries. According to Dr. 

 Withering, the petals sometimes change into stamens : the leaves 

 are astringent, as are the berries in a slight degree, on which ac- 

 count they are used for sore throats. Flowers in May : grows in 

 wet hedges and on the banks of rivers : frequent. Eng. Bot. vol. 

 xviii. pi. 1291. Eng. Fl. vol. i. p. 333. 375. 



** Furnished icith prickles. 



4. R. Grossuldria, Common Gooseberry. Branches with prickles 

 tinder the buds, otherwise smooth ; flowers bell-shaped, on simple 

 drooping stalks ; segments of the calyx reflected, shorter than the 



tube. A bushy shrub, with three-lobed leaves, greenish flowers, 



and green berries, rough with scattered hairs. The uses to which 

 the berries of this and other species of the genus are applied, being 

 so generally known, it is unnecessary to mention. Flowers in 

 May : grows in hedges, thickets, waste ground, and on old build- 

 ings, but scarcely native. Eng. Bot. vol. xxix. pi. 2057. Eng. Fl. 

 vol. i. p. 334. 376. 



37. HE'DERA. IVY. 



Calyx very small, of five teeth, surrounding the germen. 

 Petals five, oblong, spreading. Filaments awl-shaped, erect, as 

 long as the petals ; anthers cleft at the base. Germen turbi- 

 nate, surrounded by the ring-like receptacle of the flower. 

 Style very short ; stigma simple. Berry globular, one -celled. 

 Seeds from three to five, large, oblong, convex on the outer, 

 angular on the inner side. Name doubtful. 122. 



1. H. Helix. Common Ivy. Leaves with five angular lobes, 



those of the flowering branches egg-shaped. Stem branched, 



climbing and clinging by small lateral fibres : leaves tough, 

 shining : flowers in umbels : berries black. A shrub : flowers in 

 October : grows in woods and hedges, on old buildings, and on 

 rocks : common. Eng. Bot. vol. xviii. pi. 1267. Eng. Fl. vol. i. 

 p. 335. 377. 



38. ILLE'CEBRUM. KNOT-GKASS. 



Calyx inferior, five-cornered, of five-coloured, cartilaginous, 

 permanent leaves. Corolla none. Filaments hair-like, shorter 

 than the calyx, with five intermediate scales or bristles ; anthers 

 simple. Germen egg-shaped, acute. Style short ; stigma ob- 

 tuse. Capsule roundish, pointed at both ends, one-celled, five- 



