INFLORESCENCE. 



350. THK CORYMB differs from the raceme in having the lower pedi- 

 cels lengthened so as to elevate all the flowers to about the same level, 

 as in the wild thorn. 



r 



20T 205 204 206 



203, Andromeda racemosa ; flowers in a secund raceme. 204. Verbascum Blattaria; raceme, 

 206, Loliurn percnne ; a compound spike or a spike of spikelets. 206, Dipsacus sylvestris ; head 

 with an iuvolucre ofleaves. 20T, Osmorhiz-a longistylis ; a compound umbel, 20S, Its fruit. 



351. AN UMBEL consists of several pedicels of about equal length 

 radiating from the same point, the top of the common peduncle, as 

 milk-weed, ginseng, onion. When the pedicels of an umbel become 



', Staphylea trifolia; a pendulous, paniculate cyme. 210, Catalpa; a panicle. 



