Xll CONTENTS 



CHAPTER XXIV. — Grossulariace-e (Gooseberry Family). 



Stems — Leaves — Inflorescence and Flowers — Pollination — 

 The Mature Fruit — Seeds — Geographical — Key to Important 



Species of Genus Ribes 316-319 



Currants — Species — Uses 320-321 



Gooseberries — Species — Uses 321-322 



CHAPTER XXV.— CruciferjE (Mustard Family). 



Stems, Leaves — Inflorescence and Flowers — Fruit — Seeds — 



Closely Related Families — Key to Principal Genera 323-326 



Brassica — Generic Description — Pollination — Seedling — Geo- 

 graphical — Key to Principal Species of Genus Brassica 327-328 



Brassica oleracea (Cabbages, etc.) — Wild Cabbage — Cultivat- 

 ed Types of Cabbages — Key to Cultivated Types of Cabbage .328-330 



Brassica oleracea var. viridis 330 



Brassica oleracea var. gemmifera (Brussels Sprouts) — Types 



— Uses 330-331 



Brassica oleracea var. capitata (Common Head Cabbage) — 



Types — Key to Types of Head Cabbage — Uses 331-333 



Brassica oleracea var. caulo-rapa (Kohlrabi or Turnip-rooted 



Cabbage) • 333 



Brassica oleracea var. botrytis (Cauliflower, Broccoli) 334-335 



Brassica rapa (Turnip) — Description — Geographical^Types 



of Turnips — Structure and Uses 335-337 



Brassica campestris (Rutabaga or Swede Turnip) — Descrip- 

 tion—Uses 337-338 



Brassica napus (Rape) — Description — Varieties and Uses. . 338-339 

 Brassica nigra (Black or Brown Mustard) — Description — 



Related Species— Uses 339-34° 



Brassica alba (White Mustard) 340-341 



Raphanus sativus (Garden Radish) — Habit — Root — Stem — 

 Leaves — Inflorescence and Flowers — Fruit — Seeds and Seed- 

 ling — Geographical Distribution and Origin — Closely Related 



Species — Types of Radishes 341-344 



Radicula (Water Cress and Horse-radish) 344-345 



Radicula armoracia (Horse-radish) — Description — Geograph- 

 ical — Uses 345 



Radicula nasturtium-aquaticum (Water Cress) — Description 



— Geographical — References 345-347 



CHAPTER XXVI.— Rosacea (Rose Family). 



Leaves — Inflorescence — Flowers — Fruit — Key to Important, 



Genera of Rosaceae 348-350 



Rubus (Raspberry, Blackberry, Dewberry) — Stems — 

 Propagation — ^Leaves — Inflorescence — Flowers — Pollination — 



