CONTENTS 



XV 



§186. 

 §187. 

 §188. 

 §189. 

 §190. 



§191. 

 §192. 

 §193. 

 §191. 

 § 19.-i. 

 §196. 

 §197. 

 §198. 

 §199. 

 § 200. 

 §201. 



§ 202. 

 §203. 

 §204. 

 §205. 

 §206. 

 §207. 



by 



vegetative 



Division of the body by the death of part of it 

 Division among the simple plants 



Runners 



Stolons ..... 

 Dissemination or spreading of the plant 



propagation 



Gemmae 



Reproduction by spores 

 Reproduction by eggs 



Fern spores 



Germination of spores 



Another form or generation of the fern 



Alternation of generations 



The two generations of the moss 



Occurrence of generations . 



The generations of seed plants . 



The gametophyte, or egg-bearing generation in the 



plant 



The structure of a flower 



The spores of seed plants 



Pollination 



The -n-iud as an aid to pollination 



Animals as pollen carriers 



Fertilization .... 



seed 



Yin. Seeds and Fruits 



§ 208. The seed . 



§ 209. The existence of the seed 



§ 210. Fruits 



§ 211. The cocoanut . 



§ 212. The date . 



§ 213. Maize, or Indian corn 



§ 214. The fruit of the clot-bur, Xanthium 



§ 215. Xature of the fruits of Xanthium 



§ 216. The apple 



§ 217. The bean and pea 



