72 INFLORESCENCE. 



/ 350. The corymb differs from tte raceme in having tte lower pedi- 

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

 as in the wild thorn. 



207 205 204 206 208 



208, Andromeda raccmosa ; flowers in a secund raceme. 204, Verbascum Blattaria; raceme. 

 205, Lolium perenne ; a compound spike or a spike of spikelets. 206, Bipsacus sylvestris ; head 

 with an involucre of leaves. 207,. Osmorhiza longistylis ; a compound umbel. 20S, Its fruit. 



351. An umbbi, 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 



209, Btapbylca trifolla ; a pendulous, paniculate cyme. 210, Gatalpa ; a panlclft. 



