148 VEGETABLE GARDENING 



By frost-tender vegetables is meant those whose tops 

 are injured by a light frost; such as, potato, asparagus, 

 strawberry, tomato, and of course all the tropical plants 

 mentioned under (1). Some plants, like asparagus and our 

 native oak tree, may have foliage that is very susceptible to 

 frost but are hardy in winter. 



By frost-hardy vegetables is meant those having foliage 

 that is not injured by light frost, among which are' horse- 

 radish, rhubarb, onion, leek, garlic, pea, spinach, beet, 

 cabbage, Brussels sprouts, cauliflower, cress, kale, kohl-rabi, 

 radish, rutabaga, turnip, carrot, parsley, celery, lettuce, 

 endive, and most of the garden herbs. 



Botanical Classification. All plants may be divided 

 into families, each of which has its distinguishing features. 

 Our garden vegetables and herbs belong to at least seven- 

 teen families. The special features of each of which will 

 be found with the cultural directions for the plants grouped 

 under them, but for convenience a list is here given of all 

 the vegetables referred to herein, arranged under their 

 proper family names: 



The Fungi Group or Family, mushroom, or toadstool. 



The Grass Family (Gramineae), corn. 



The Lily Family (Liliaceae), asparagus, onion, leek, 

 garlic. 



The Buckwheat Family (Polygonaceae), rhubarb, or 

 pieplant. 



The Goosefoot Family (Chenopodiaceae) , beet, Swiss 

 chard, and spinach. 



The Cabbage Family (Cruciferae), cabbage, cauli- 

 flower, radish, rutabaga, turnip, Brussels sprouts, kale, kohl- 

 rabi, horseradish, cress and water cress. 



The Clover Family (Leguminosae), bean and pea. 



The Mallow Family (Malvaceae), okra. 



