276 



MANUAL OF BOTANY 



Sub-order 1. Pleurorliizem (Q = )• — Cotyledons aocumbeut, 

 flat ; radicle lateral. Illustrative Q-enera : — Oheiranthus, 

 Linn. ; Arabis, Linn. 



Sub-order 2. NotorMzecB (Q II )■ — Cotyledons incumbent, flat ; 



Fig. 1042. 



Fia. 1043. 



Fig. 1044. 



Fig. 1045. 



Fig. 1046. 



Fig. lOil. Sporophylls of the Wal'liower (C/ieirantJius Clieiri). v. Tha- 

 lamus. (?/. Glands, ec. Tetrarlynatnous stamens, s/t. Stigmas. Fi</. 1042. 



An unripe sitiqua o£ tlie Walltlower, with one of the valves removed to 



show the replum and the stalkel pendulous seeds. I'Hg. Iu43. The sill. 



cula of Shepherd's Pnrse (C-tpsella Biirsa-pastoris) in the act ol: dehiscing, 

 showing the stallced pendulous seeds. -Fig. 1044. Silicula of the Scurvy- 

 grass {CochleaHa offlcintUs) in the actof dehiscing. F.g. 1045. The em- 

 bryo of Bunias orienlcdis. Fig. 1046. The embryo of ^he Cabbaffe plant 



(Bfassica oleracea). 1. Undivided. 2. Horizontal Jtiou, r. Radicle, 

 c. Cotyledons. 



radicle dorsal. Illustrative Genera : — Hesperia, Linn. ; 

 Isatis, Linn. 

 Su.b-order 3. OrtTioplocecE ( O ^ )• — Cotyledons eonduplicate, 

 longitudinally folded in the middle ; radicle dorsal, within the 

 fold. Illustrative Genera : — Brassica, ij/n;?,. ; Raphanus, Linn. 



