THE CRUCIFORM FAMILY. 67 



boat-shaped, without wings ; cells, many-seeded. Plant downy 

 or hairy. Stem leaves (cauline leaves) sessile, lance-shaped ; 

 with an arrow-head, (lanceolate-sagitate) very variable in 

 height, from three inches to one or two feet ! Name, the 

 diminutive of Capsula a Capsule or "little box."} 



" How many plants, we call them weeds, 



Against our wishes grow, 

 And scatter wide their various seeds, 

 With all the winds that blow. 



Man grumbles, when he sees them rise, 



To spoil his husbandry ; 

 Kind Providence this way supplies, 



His lesser family. 



Scattered and small they 'scape our eye, 



But are not wasted there ; 

 Safe, they in cleft and furrows lie 



The little birds know where." WORDSWORTH. 



Some of the Siliquosae of this Sub-order, are com- 

 mon in our hedges , Hedge Mustard, (Sisymbrium 

 officinale) an upright plant, one or two feet high, with 

 very small yellow flowers, and deep-cut leaves. Thale- 

 cress (S. thalianum,) though common, is not so often 

 seen. It is a small, slender plant, from six to ten 

 inches high, with small white flowers, and grows on 

 walls, dry banks, &c. Garlic mustard (Aliaris offi- 

 cinalis,) is as common as the hedge mustard, and more 

 conspicuous : has larger flowers, (white,) large, glossy 



