POPULAR FLORA. 



203 



CLASS II. — ENDOGENS OR MONOCOTYLEDONS. 



Stem having the wood in threads or bundles, interspersed among the pith or 

 cellular pai-t, not forming a ring or layer, and not increasing by annual layers. 



Leaves parallel-veined, not branching and forming meshes of network. To this 

 some Arums, Trillium, Greenbrier, &c. are exceptions, having more or less netted 

 veins. 



102 



503 



500. Eiir]o2"enoiis stem of one year old, shown in a Corn-stallf. S*^!. One of several years old, of Palmetto. 

 Paiallel-yeiiied leaves of the two kinds: 502. that of Lily of the V.dley ; 503. one of Calla 504. Majnilieil 

 Beotion nf the seed of Iris, showing the small monocotyledonous embryo. 5u5. Plantlet of Iris growing from 

 the seed. 



Floioers Avith their parts mostly three or six, never five. 



Emhnjo monocotyledonous, i. e. of only one true seed-leaf: so in 

 germination the leaves are all alternate or one above another. 



Except the Palmetto and one or two Yuccas at the South (Fig. 

 79), and some Greenbriers, all the Endogens of this country are herbs. 

 In warmer climates there are many Palms and other woody jjlants of the class, all 

 having an appearance very different from our common trees and shrubs (113, 114). 



14 



505 



