350 



THE UMBELLATE FAMILY. 



Fig. 423. 



lobes, each segment above an inch long. 

 Upper leaves less divided, with short 

 stalks. Umbels of 12 to 20 rays, with 

 a general involucre of 2 or 3 very narrow 

 bracts, and more numerous ones to the 

 partial umbels. Fruits near 4 lines 

 long. 



A high northern plant, extending all 

 round the Arctic Circle. Common on 

 the rocky seacoasts of Scotland and 

 northern Ireland, descending also to the 

 north of England. Fl. summer. 



XXL SILAUS. SILAUS. 



Leaves dissected. Umbels compound, with partial involucres of 

 several bracts. Flowers yellowish. Petals scarcely notched. Fruit 

 nearly of Lovage, ovoid, but slightly compressed, and with the ribs 

 scarcely acute. 



A genus of two or three European and Asiatic species, but slightly 

 differing from Lovage chiefly in the colour of the flowers. 



1. Meadow Silaus. Silaus pratensis, Bess. (Fig. 424.) 



( Peucedanum Silaus, Eng. Bot. t. 2142. Pepper Saxifrage.) 



A glabrous ; erect perennial, 1 to 2, or sometimes near 3 feet high, 

 slightly branched. Leaves once, twice, or three times pinnate ; the 

 segments not numerous, narrow- oblong, \ to 1 inch long, entire or 

 3-lobed. Umbels all terminal, not large, of about 6 to 8 rays. Ge- 

 neral involucres usually of 1 or 2 small bracts, with several small nar- 

 row-linear ones to the partial umbels. Flowers of a pale greenish- 

 yellow. Carpels about 2 lines long. 



