SPECIES AND VARIETIES. 203 



(42) Corydalis. 



C. lutea : stems 6-8 inches high ; leaves pale green, much 

 divided, the segments ovate or wedge-shaped, cut into two or 

 three lobes ; flowers in short racemes, pale yellow, with a short 

 broad spur ; pod three or four lines long. Naturalized on old 

 walls, rare. Fl. May to August. 



C. claviculata ; annual ; stems slender, intricate, 1-2 feet 

 long, climbing by means of the leaf- stalks, which usually ter- 

 minate in delicate tendrils ; leaf-segments small, ovate or ob- 

 long, and often toothed or cut; racemes short, compact; 

 flowers small, white, with a slight yellow tinge, and a very 

 short spur ; pod two or three lines long. Bushy shady places. 

 Fl. June, July. 



(43) Frankenia. 



r. laevis: diffuse, much branched, spreading 6-8 inches, 

 glabrous or nearly so ; leaves crowded in little opposite clus- 

 ters along the branches, small, rather thick, and appearing linear 

 from their edges being closely rolled down; flowers few, ses- 

 sile among the upper leaves, forming little terminal leafy heads 

 or short spikes, the petals small, pink. Sea Heath. Mari- 

 time sands and salt-marshes. Fl. July. 



(44) Tamarix. TAMARISK. 



T. anglica : shrub, 3-6 feet high, with slender erect branches ; 

 leaves crowded, scale-like ; flowers pink or whitish, small, 

 crowded in spikes i-lj inch long, often forming branched 

 terminal panicles. South-west coast. Fl. July. 



(45) Dianthus. PINK. 



* Flowers clustered, the scales as long as the calyx. 



D. prolifer : annual ; stems ^-1 foot high, stiff, erect, wiry, 



