CL. XVI.] MONADELPHIA. 279 



flowers greenish-yellow. Annual: flowers in August and September: 

 grows in sandy ground, in the Isle of Thanet, and near Bristol. Eng. 

 Bot. vol. xvi. pi. 1090. Eng. Fl. vol. iii. p. 224. 996. 



27. RA'PHANUS. RADISH. 



Calyx of four oblong, parallel, erect, deciduous leaves, two of 

 them slightly prominent at the base. Petals inversely egg-shaped 

 or heart-shaped, spreading, with linear, erect claws. Filaments 

 awl-shaped, erect ; a gland within each of the shorter, and one at 

 the outside of each pair of the longer ; anthers oblong. Germen 

 cylindrical, tapering. Style awl-shaped ; stigma knobbed, small. 

 Pod oblong, tapering upward, irregularly tumid, as if jointed, 

 leathery ; with two incomplete cells. Seeds globular, arranged in 

 a single row. Name from ra, quickly, and phainomai, to appear. 



340. 



1. R. maritimns. Sea Radish, Pods one-celled, jointed, furrowed; 



root-leaves interruptedly lyre-shaped. Root large, tapering, branched : 



stems spreading from one to two feet high : flowers large, pale-yel- 

 low. Biennial : flowers in May and June : grows in sand near the 

 sea : not common. Sussex, Galloway, Ayrshire, Bute, abundant on the 

 western coasts of the outer Hebrides. Eng. Bot. vol. xxiii. pi. 1643. 

 Eng. Fl. vol. iii. p. 227. Perhaps a variety of the next. 997. 



2. R. Raphanistrum. Field Radiih. Charlock. Pods one-celled, 



jointed, striated; leaves lyre-shaped. The whole plant rough with 



bristles ; stem from one to two feet high : flowers pale-yellow. Annual : 

 flowers in the summer months : grows in corn-fields, abundantly. Eng. 

 Bot. vol. xii. pi. 856. Eng. Fl. vol. iii. p. 226. 998. 



CLASS XVI. MONADELPHIA. 



Plants bearing Flowers the Filaments of whose Stamens 

 are joined together in one set. 



Order I. PENTANDRIA. Five Stamens. 



1. ERO'DIUM. Style one. Fruit beaked, formed of five capsules, 



each tipped with a spiral awn, bearded on the inside. 

 (Linum. CL V. Geranium pusillum. Monadelphia Decandria.) 



Order II. DECANDRIA. Ten Stamens. 



2. GERA'NIUM. Style one. Calyx of five leaves. Corolla, of five 



petals. Fruit beaked, of five aggregate capsules, each with a long 

 naked awn. 



Oxa/is. Spartium. Genista. Anthyllis. Ulex. Ononis. 



Order III. POLYANDRIA. Numerous Stamens. 



5. LAVATE'RA. Styles numerous. Calyx double, the outer three- 

 lobed. Capsules numerous, circularly arranged, one-seeded. 



