108 GROSSULACEiE. [Ribcs. 



and serrated, white and downy beneath; flowers corymbose. 

 Br.FL 1. p. 222. E. Fl. v. ii. p. 367. E. Bot. t. 1858.— Cra- 

 taegus Aria, Linn. 



Mountainous woods and cliffs, chiefly in limestone countries. Plen- 

 tiful in several places in Cunnamara, and about the Lakes of Killarney, 

 in crevices of limestone rocks. Fl. June. F? . — Leaves often more or 

 less cut at the margin. Fruit red. 



$ $ Leaves pinnate. 



4. P. aucuparia, Gaertn. Quicken-tree or Mountain Ash. 

 Leaves pinnate; leaflets uniform, serrated, smooth; flowers 

 corymbose; styles about three; fruit globular. Br. Fl. I. p. 222. 

 E. Fl. v. ii. p. 364. — Sorbus aucuparia, E. Bot. t. 337. 



Woods and rocks in mountainous situations, frequent. Fl. May, 

 June. I? . — A handsome tree in plantations and hedge-rows, especially 

 when the fruit is ripe. Corymbs many-flowered. Flowers white. 

 Fames resembling berries, scarlet. 



Ord. 29. GROSSULACE7E. D C. Currant Family. 



Tube of the calyx adnate with the ovary, its limb 4 — 5-parted, 

 regular, often coloured. Petals 4 or 5, inserted into the mouth- 

 of the calyx, and alternating with its lobes, equal. Stamens 

 4 — 5, inserted alternately with the petals. Ovary 1 -celled, with 

 2 opposite, parietal placentas : ovules numerous : style single, 

 2 — 3 — 4-cleft. Fruit baccate, subglobose, crowned with the 

 withered flower. Seeds many, suspended among the pulp by 

 filiform stalks. Testa gelatinous, adhering firmly to the albu- 

 men, which is horny. Embryo minute, excentrical, with the 

 radicle next the hilum. — Shrubs of temperate climates, often spi- 

 nous. Leaves alternate, lobed, ivith a plaited vernation. Flowers 

 greenish-white, yellow or red, solitary or in racemes. 



1. FiIbes. Linn. Currant and Gooseberry. 



Calyx 5-cleft, bearing the petals and the stamens. Style divided. 

 Berry 1-celled, many-seeded. — Name, Ribes, a word applied 

 by the Arabic Physicians to a species of Rhubarb, Rheum 

 Ribes. Our older Botanists believed that it was our Goose- 

 berry ; and hence Bauhin called that plant Ribes acidum. 



Pentandria. Monogynia. 



* Without prickles. 



1. It. rubrum, Linn. Common Currant. No prickles; 

 clusters smooth, pendulous ; flowers but slightly concave ; petals 

 inversely heart-shaped. Br. Fl. 1. p. 107. E. Fl. v. i.p. 330. 

 E. Bot. t. 1289. 



