JOURNAL 



OF THE 



Academj of Natural Sciences 



OF 



PHILADELPHIA. 



No. S. JULY, 18ir. Vol. I. 



Observations on the genus JEriogonian, and the Natural 

 Order Polygonece ofJussieu. By Thomas NuttaiL 



(Concluded.) 



5. 2. Humifuso^ suhacaule^ scapo iimhellifero* 



2. FlavurUi E, herbaceum, caespitosum, acaule; catidex 

 multiplex indivisus; scapo umbeliato subquinquepartito, 

 involucrum tri vel tetraphyllum, involucellum subtereti- 

 campanulatum multiflorum; calycibus extus sericeo villo- 

 sis; seminibus teretiusculis; foliis spathulato-obovatis, su- 

 pra villosis, subtus lanato-tomentosis albidis; involucellis 

 receptaculi nudis. 



Eriogonum Jlavum, T. Nuttall in Fraser's Catalogue^ 

 1813. E, sericeicm. Pursh, Flora America Septentrio' 

 7iaiis. Vol. I. p. 277. 



Description* Root somewhat fusiform, long and perpen- 

 dicular, of a reddish brown colour, destitute of fibres, and 

 usually coated with numerous thin sphacelate brownish 

 black integuments, apparently the remains of so many an- 

 nual increments. True ^^^/w none# Cawc/t-x many- parted/ 

 unbranched, in old plants profusely cespitose. Leaves radw 



Vol. I. G 



