242 The Principles of Vegetable -Gardening 



Gherkin, C. Anguria. 



Watermelon, Citrullus vulgaris. 



Luffa, Luffa ^Egyptiaca and L. acutangula. 



Zit-Kwa, or Wax Gourd, Benincasa cerifera 



Pumpkin, Cucurbita. 



Squash, Cucurbita. 



Group 10. CORN. OKRA. MARTYNIA. 

 Sweet Corn, Zea Mays. 

 Okra, Hibiscus esculentus. 

 Martynia, Marty nia proboscidia. 



Group 11. CONDIMENTAL AND SWEET HERBS. 



Group 12. MUSHROOM. (Culturally and otherwise the mush- 

 room is so unlike other garden vegetables that it demands 

 special and separate treatment. Therefore, it is not dis- 

 cussed in this book. It is not a vegetable -gardening 

 subject, although usually so classed.) 



CLASS II. PERENNIAL VEGETABLES. 



Asparagus, Asparagus officinalis. 



Ehubarb, Rheum Rhaponticum. 



Docks, Rnmex. 



Sorrel, Rumex. 



Artichoke, Globe, Cynara Scotymus. 



Artichoke, Jerusalem, Helianthus tuberosus. 



Sea Kale, Crambe maritima. 



2. BOOKS 



The person who expects to secure the best results 

 in crops and in the pleasure of growing them should 

 be a reader. Books, periodicals, and bulletins are 

 suggestive of new ideas, and a new idea is worth the 

 having for the mere novelty of it. Every book has 

 some value. Even if its advice is all wrong, it chal- 

 lenges experiment and controversy, and thereby has 



