UMBELLIFER2E. 



361 



northern Europe, it lias frequently esta- 

 blished itself in the neighbourhood of 

 cottages. In Britain, believed by some 

 to be truly indigenous in the hilly dis- 

 tricts of northern England, where, at 

 any rate, it is perfectly naturalized. Fl. 

 spring and early summer. 



Fig. 435. 



XXXI. BUNIUM. BUNIUM. 



Leaves dissected. Umbels compound, either without involucres or 

 with very few small bracts, and white flowers. Fruit oval-oblong, 

 somewhat laterally compressed, shortly contracted at the top, with 

 erect or slightly spreading styles. Carpels with 5 scarcely perceptible 

 ribs, and several very slender vittas under the interstices. Albumen 

 of the seed with a longitudinal furrow on the inner face. 



A genus of few species, chiefly from the Mediterranean region, with 

 the habit of the tuberous Carums, but with a fruit more nearly allied 

 to that of some Chervils, although shorter. 



1. Tuberous Bunium. Bunium nexuosum, With. (Eig. 436.) 



(Eng. Bot. t. 988.) 



The perennial stock consists of a globular tuber, known by the name 

 of JEartJinut or Pignut ; the annual stems erect, slender, glabrous, 1 

 to near 2 feet high, with a few forked branches. Radical leaves few 

 and decaying early, with 3 long-stalked segments, each once or twice 

 pinnate ; the ultimate divisions short, narrow, pointed, entire or 3- 

 lobed. Stem-leaves few, with narrow linear divisions ; the central 



VOL. T. 2 F 



