46 SPRING FLOWERS. 



roundish, crenate, tipper heart-shaped, o\ate_, or triangular, 

 with an odour of garlic; flowers small, white. — Sauce- Alone 

 or Jack-by -the-Hedge. — Hedges and waste places. FL May. 



(13) Dentaria. Tooth-cress. 



D. bulbifera : stem tallish, weak ; lower leaves pinnate, 

 upper simple; flowers few, large, purplish. — Coral-root. — 

 Woods and shady places, rare. Fl. April,. May. 



(14) Draba. Whitlow-grass. 



* Flowers yellow. 

 D. aizoides : dwarf, tufted ; leaves sessile, linear, ciliated ; 

 flowers few, rather large. — Hocks, rare. Fl. March, April. 



** Flowers white. 



D. muralis : annual ; stem weak, ascending, leafy ; lower 

 leaves ovate or oblong, toothed ; flowers white with minute 

 entire petals. — Rocks and walls, rare. Fl. April, May. 



D. verna : annual ; stem dwarf, erect, leafless ; leaves ra- 

 dical, ovate or oblong ; flowers small, white, with deeply cloven 

 petals. — Walls and dry banks. Fl. April, May. 



(15) Alyssum. Mad wort. 



A. calycinum : annual, dwarf, branching ; leaves oblong- 

 linear narrowed to the base; flowers yellow, inconspicuous. — 

 — Cornfields. Fl. May and June. 



(16) Hutchinsia. 

 H. petrsea : annual, dwarf ; lower leaves pinnate ; stem- 

 leaves few and smaller ; flowers minute, white. — Walls, rocks, 

 and stony places. Fl. March, April. 



