434 ANNUAL EEPORT 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. 



