MARCH. 61 
bluish purple, with the interior variegated. Seeds four, at 
the bottom of the calyx, which remains after the corolla is 
faded. Roots very creeping. ‘The whole plant is aromatic, 
and has been used as a medicine, is good for coughs, 
and was in former days regularly sold in the streets of 
London. 
TETRADYNAMIA. SILIQUOSA. 
THALAMIFLOR. CRUCIFERZ, 
CARDAMINE. (Brrrer Cress.) 
Generic Character. Calyx of four oblong, blunt, slightly 
spreading leaves. Petals inversely egg-shaped, undivided. Pod 
erect, narrow, compressed, valves flat, without ribs. Seeds ege- 
shaped, inserted alternately in a single row. 
One species only of the four belonging to this genus is 
mentioned by botanists as flowering in March; but I have 
always observed two, and shall therefore mention them. 
They are not conspicuous plants, and the first may easily be 
overlooked by those not interested in the study. 
CaRDAMINE HIRSUTA. (Plate III. Fig. 9.) Hairy Car- 
damime. Leaves divided, leaflets of those near the root, 
stalked and roundish. Flowers small and white; the long 
pod is often seen mixed with the flowers, as some come 
