XVI CONTENTS 



Citrus medica (Citron) — Description — Geographical — " Cit- 

 ron" 480-481 



Citrus limonia (Lemon) — Description — Geographical — Color 



of Lemon Fruit — Uses 481-483 



Citrus aurantifolia (Lime) — Description— Geographical — 



"Limequat" 483 



Citrus sinensis (Common or Sweet Orange) — Description — 



Geographical — Types — Uses 484-485 



Citrus nobilis (King Orange) — Description — Varieties 485 



Citrus grandis (Grapefruit, Pomelo, Shaddock) — Description 



— Geographical — Variety and Name 485-487 



Citrus aurantium (Sour or Seville Orange) — Description — 



Geographical — Other Species of Citrus 487 



Fortunella (Kumquat or Kinkan) — Description — Species — 



Uses 487-489 



Poncirus (Trifoliate Orange) — Description — A Hardy Orange.489 

 References 489-490 



CHAPTER XXXII.— ViTACEiE (Grape Family). 



Family Description — Geographical — Key to Important 



Genera 491-492 



Vitis (Grape) — Stems — Leaves — Inflorescence and Flowers- 

 Opening of Flower and Pollination — Self-sterility — Grape 

 Pollen — "Coulure" of Muscat Grape — Flowers of Wild Grape 

 — Key to Most Important Species of Vitis — Vitis vinifera — 

 Vitis rotundifolia — Vitis rupestris — Vitis riparia — ^Vitis aesti- 

 valis — Vitis labrusca — Varieties of Table Grapes — Wine and 

 Raisin Grapes — Uses — References 492-504 



CHAPTER XXXIII.— Malvace^ (Mallow Family). 



Habit — ^Leaves — Flowers — Fruit and Seeds — Geographical — 

 Economic Importance — Key to Important Genera of Mal- 

 vaceae 505-508 



Gossypium (Cotton) — Habit of Plants, and Roots — Stems — 

 Leaves — Flowers — Pollination, Fertilization, and Development 

 of the Fruit — Fruit — Seeds — Cotton Fibers Distinguished from 

 Other Common Textile Fibers — Species — Wild Cottons — 

 American Cottons — Types and Varieties — Environmental 

 Relations — Picking and Ginning of Cotton — Bleaching of 

 Cotton — Uses of Cotton — Importance and Production of 



Cotton ; 508-527 



Hibiscus esculentus (Okra, Gumbo) — Description — Geo- 

 graphical — Types — Uses 527-528 



References 52^-529 



