198 SUMMER FLOWERS. 



or oblong lobe and a few small lateral ones, the upper often 

 small and entire ; flowers small, yellow ; pods closely pressed 

 against the axis of the long slender racemes, glabrous, with a 

 small beak. — Waste and cultivated places. Fl. June, July. 



(29) Diplotaxis. 



D. tenuifolia : stems 1-2 feet high, glabrous and somewhat 

 glaucous, emitting a disagreeable smell when rubbed; leaves 

 irregularly pinnate, with few lanceolate or oblong, entire or 

 coarsely -toothed segments, the upper ones often entire or nearly 

 so; flowers large, lemon -coloured; pods in a loose raceme, about 

 H inch long, spreading, with numerous small seeds distinctly 

 arranged in two rows. — Old walls, ruins, and waste places. Tl. 

 June to October. 



D. muralis : annual ; stem branching from the base, usually 

 about six inches high ; leaves mostly radical, or crowded at the 

 base, ovate-lanceolate, sinuately toothed, sometimes pinnatifid ; 

 flowers much smaller than the last, the pods and seeds similar, 

 but also smaller. — Fields and waste places in the south, near 

 the sea. Fl. all summer. 



(30) Raphanus. Radish. 



R. Baphanistrum : annual ; stem erect or spreading, 1-2 

 feet high, much branched, with a few stiff* hairs at the base; 

 leaves pinnately divided or lobed, the terminal segment large, 

 obovate or oblong, rough with short hairs, the upper ones 

 narrow and entire ; flowers white with coloured veins, or lilac ; 

 pods beaded, often separating in joints between the seeds, 

 shorter than the very long beak. — Jointed Charlock, a weed of 

 cultivation. Fl. June, July. 



Var. maritimus : biennial ; leaves more divided, with over- 

 lapping lobes ; flowers yellow ; pods longer in proportion to 

 the beak. — Sea-coasts, rare. 



