Class X. Order VI. 185 



Flowers large, white. Naturalized in the same situations as 

 the others. May August. 

 CERASTIUM TENTJIFOLIUM ? Pursh. Narrow leaved Cerastinm. 



Pubescent, csespitose ; leaves linear, mostly longer 

 than the internodes ; petals obovate emarginate, three 

 times as long as the calyx. 



Stems round, hairy, ascending 1 . Leaves narrow-lanceolate, 

 tapering upwards, subacute, pubescent, the lower ones longer 

 than the internodes. Segments of the calyx acute, hardly nerv- 

 ed. Petals not very deeply cleft. On the precipice, near Bel- 

 lows' falls, New-Hampshire. June. 



192. SPERGULA. 

 SPERGULA ARVENSIS. L. Corn Spurrey. 



Leave whorled ; statks of the fruit reflexed ; seeds 

 kidney shaped, angular, rough. Sm. 



A weed in corn fields, by many of our farmers denominated 

 tares. Stems spreading, becoming erect, smooth, round, swel- 

 ling at the joints. Leaves linear, obtuse, in whorls at the joints. 

 Panicle terminal, forked, the peduncles bent downward as the 

 fruit ripens. Petals little larger than the calyx, white. June 

 and after. Annual. 



DECAGYJVM. 



193. PHYTOLACCA. 

 Bigelow, Medical Botany, PI. iii. 

 PHYTOLACCA DECANDRA. L. Poke. 



Leaves ovate, acute at both ends ; flowers with ten 

 stamens, and ten styles. 



A common plant, known also by the names of Garget, Cocum, 

 Jalap, &c. The root is of large size, frequently exceeding a 

 man's leg in thickness ; and is usually divided into two or three 

 principal branches. Its substance is fleshy and fibrous, and easi- 

 ly cut or broken. Internally it is distinctly marked with con- 

 centric rings of considerable thickness, while its outer surface 

 is covered with a very thin, brownish bark, which seems to be 

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