330 



Sweet Corn. Okra. Martynia 



late, the side lobes spreading, the two upper lobes upright and 

 the edges more or less rolled back, the floor of the tube 

 marked with a broad straight yellow and sometimes striped 

 band which enlarges and terminates with irregular end toward 

 the center of the lower lobe, upper part of throat spotted; 

 anthers 4, included in the roof of the tube, borne on the lower 

 part of the corolla-tube, in two pairs joined by their 2-celled 

 anthers, one pair 1/3 shorter than the other ; pistil single, 

 ovary oblong bearing a long upwardly expanding style, the 

 stigma 2-lobed, the lobes closing to the touch : fruit hanging, 

 with a thick body 8 in. long and a curved beak of equal or 

 greater length, properly 1-celled but appearing 5-celled on 

 cross-section, the fleshy pericarp finally rotting away and leav- 

 ing the two bony horned valves with crests on the inner edge 

 of the main part like the lower jaws of a tusked animal : seeds 

 oblong or oblong-ovate, % to % in. long, more or less angled 

 and irregular, black, tuberculate and alveolate, weighing 30 to 

 50 mg., holding vitality a year or two. — Native from Indiana 

 to New Mexico, sometimes escaped elsewhere. Many small 

 insects become entangled in the sticky hairs of the stems, 

 leaves, flow^ers and pods. 



