CONTENTS 



ClIAPTKR I. 



I'ACK 



ADAf^AI ION . . . . -25 



I'lanl collectitMis — General view of vegetable growth — 

 Lowest forms of plant life — Water buttercup — \'allis- 

 neria — Water-lily — Mare's-tail — Sea-weeds — Cacti — 

 Orchids — Tillandsia — Seed dispersion. 



ClIAI'TKR II. 



Roots . . . . . -47 



Root fibres — Hygroscopic water — Root hairs-The evil 

 of stagnant water - Hinding roots — Carex arenaria — 

 I'saninia arenaria — Cheddar cliffs — Correlation of roots 



— Land, water, and air roots — Laurel root in well — 

 Horizontal stem.s — Poa bulbo.sa — Earth-nut — I'otato — 

 Onion — Air root.s — Hoya — Aeroids — Parasitic root.s — 

 \ellow rattle — Clover dodder — V\a.\ dodder — Mistletoe 



— Root-cap— Office of the root — (Growing nuistard-seed 

 — Strength of roots. 



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