434 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1917. 



this could not be extracted from the powdered rootstock in sufficient 

 quantities to make a jelly. The third, figured on plate 64, which 

 contained an abundance of starch, was subjected to a process like 

 that described by Bartram, and yielded a delicate flesh-colored Jelly, 

 slightly acidulous and somewhat astringent. This jelly was quite 

 equal to arrowroot when sweetened with sugar, for which it could 

 be used as an excellent substitute. 



It has been impossible within the limits of this paper to give a 

 complete list of the plants thus far collected in the region here con- 

 sidered. It is hoped that such a list may be published later. 



