< 



94 FLOWERS OF FIELD, HILL, AND SWAMP 



grows along the coast, with fleshier leaves, and lighter pink corolla 

 — Hilda marina. 4 to 8 inches high. 



THE PULSE FAMILY 



The Pulse Family, to which our vegetables the pea and bean 

 belong, is known, with few exceptions, by 'W.?, papilionaceous corol- 

 la. The petals are so different they have received special names. 

 The large upper one, which enfolds the others in bud, is the stand- 

 ard, generally broad, erect, or turning backward. The narrower, 

 opposite, side petals are wings. The lower one is considered to 

 be two petals united, and being hollowed and boat-shaped, is the 

 keel. The keel usually encloses stamens and pistil. 



Stamens of these flowers number 10 (rarely 5) ; one being free, 

 the other 9 mostly united by their filaments into a tube, which 

 is split open on the upper side. Through this slit projects the 

 pistil, later becoming a pod ox legume. 



The caly.x is 5-divided, usually unequally. 



To this family belong not only the pea and bean, but lentil, 

 cassia (senna), liquorice, logwood, and such useful plants. None 

 is poisonous. Many are ornamental climbers, with showy blos- 

 soms and graceful foliage. 



g. Beach Pea 



Ldthyrus maniimus.—Faf?iily,VM\s&. G?/;;^, purple. Leaves, 

 compound, of from 3 to 5 pairs of oval-shaped leaflets, a tendril 

 terminating the rachis. lime, June, July. 



Corolla, papilionaceous. 



The beach-pea, so common along our coast, is a coarse, weak- 

 stemmed plant, spreading its thick, petioled leaves in a low, aggres- 

 sive clump. The leaf-stipules are as large as the leaflets, halberd- 

 shaped. Flowers nearly an inch long, in panicles. They are 

 quickly pushed aside and followed by the rapidly growing pod. 



10. Canadian Burnet 

 Pothrium Canadense.- Family, Kost. Color, vih'Mii. Leaves., 



