June, 1917] The BrassicacecB of Ohio 331 



2. Raphanus sativus L. Garden Radish. Similar to 

 Raphanus raphanistrum, but with pale purple flowers, and 

 shorter pods not moniliform. 



Cultivated for the fleshy root and persistent for a year 

 or two. Rather general. 



34. Cakile (Tourn.) Mill. Sea Rocket. 



Fleshy, dift\ise, annual herbs of the seashore, with glabrous 

 freely branching stems, and purplish flowers in racemes. Sil- 

 iques short, 2-jointed, indehiscent; the joints 1-seeded, or the 

 lower part seedless, and the upper part breaking off when 

 mature. 



1. Cakile edentula (Bigel.) Hook. Sea Rocket. Stems 

 about 1 ft. high, ascending from a deep root, bushy; leaves 

 obovate, sinuate-dentate, narrowed at the base, the lower ones 

 3-5 in. long; flowers small, petals purplish, clawed; pods short, 

 upper joint larger than the lower. 



Indigenous in wet sands of the seashore and of the Great 

 Lakes. Ashtabula, Cuyahoga, Erie, Lake. 



Bamesville, Ohio. 



