188 SYSTEMATIC BOTANY. 



called seeds; these seeds germinating, become new 

 plants. 



472. Cryptogamia. Flowerless plants or plants 

 that do not produce seeds ; their reproductive appa- 

 ratus forms cell-like bodies, without cotyledons, called 

 spores, which germinate indifferently from any part of 

 the cell ; these spore-like seeds of the Cryptogams 

 germinating, produce new plants. 



These plants are called flowerless, because their 

 organs of reproduction are concealed or obscure ; hence 

 the name Cryptogamia, or concealed nuptials. 



VEGETABLE KINGDOM. 



SUB-KINGDOM I. 



473. Phanerogamia. Plants that bear proper flow- 

 ers and produce seeds, derived from the Greek words 

 cfxivepog, open, and yd^o^, marriage, signifying open mar- 

 riage. 



474. CLASS I. Dicotyledones. Plants with two seed 

 leaves or cotyledons. From the Greek words &V, two, 

 and KOTvhqduv, a hollow disk, alluding to the shape of 

 the coatings or walls of the seed leaves. 



475. Angiosperms. Plants whose seeds are in- 

 closed in a pericarp or vessel. From the Greek dyyeZov, 

 a vessel, and a-rrepfia, a seed, signifying plants whose 

 seeds are inclosed by a covering ; as, ?he Apple, Maple, 

 Oak, etc. 



476. COHORT 1, A. Polypetalae. Dicotyledonous 

 plants whose flowers have both calyx and corolla ; 

 corolla composed of separate petals, which are some- 

 times slightly coherent at their bases ; as, the flowers 

 of the Buttercup, Apple, Strawberry, etc. 



477. COHORT 2, B. Gamopetalse. Dicotyledonous 



