828 PLANT LIFE OF ALABAMA. 



"Ipomoea batatas (L.) Poir. (Batatas ednlis Chois.) SWEET POTATO. 



Bermudas, red and white, leaves entire, tubers farinaceous. Brazilian yams, 

 leaves lobed, tubers white, farinaceous. Spanish or sweet yams (so called), leaves 

 lobed, tubers white or yellow, sugary. 



Mexico. 



* Solamim tuberosurn L. IRISH POTATO. 



America. 



The early red and white sorts on the truck farms near the coast for early shipment. 



Heliaiithus tuberosus L. JERUSALEM ARTICHOKE. 



Tragopogon porrifolius L. SALSIFY. 



Rarely. 



PLANTS CULTIVATED FOR THEIR J. EAVES AND STEMS. 

 (Garden vegetables and forage crops.) 



Asparagus officinalis L. ASPARAGUS. 



Europe. 

 Spinacia oleracea L. SPINACH. 



Europe. 

 Boehmeria nivea Gaud., and B. tenacissima Roxb. CHINA GRASS. RAMIE. 



Fiber plants. At present almost abandoned; the young green steins here and 

 there cut for green fodder. 



Tetragonia expaiisa Ait. NEW ZEALAND SPINACH. 



Rarely. Australia. 



Lepidium sativum L. PEPPER GRASS. GARDEN CRESS. 



Europe. 



Roripa nasturtium (L.) Rusby. WATER CRESS. 



Europe. 



Sinapis alba L. WHITE MUSTARD. 



Europe. Chiefly for greens. 



Brassica oleracea botrytis L. CAULIFLOWER. 



Europe. 



'Brassica oleracea capitata L. CABBAGE. 



* Brassica oleracea acephala DC. KALE. COLLARDS. 

 Brassica oleracea gongylodes L. KOHL-RABI. 



Rarely. 



* Trifolium pratense L. RED CLOVER. 

 Mountain regions and Tennessee Valley. 



Europe. 



Trifolium hybridum L. ALSIKE CLOVER. 



With the above. 

 Europe. 



Trifolium incarnatum L. SCARLET CLOVER. TURKISH CLOVER. 



Lately in the Central Prairie region and Pine belt. Not frequently. 



