The Natural HiJIory, Sec. 



163. St. Fboma Tarn. Is fo vaft: a Creeper, that 

 one Plant will quickly cover a fmall Garden ; its 

 Stalks welted, the Leaves grow by pairs and corda- 

 ted, the Root large ; its outer Coat brown, the 

 Inner yellowifli * the Meat white and full of milky 

 Juice. 



164. Round Tarn. From the Root which is 

 white raw, but when boyl'd red : it's a drayling 

 Plant, with cordated Leaves, and fometimes ear'd. 



165. White Tarn. Its Root being of that Colour, 

 the Leaves fingle and cordated. 



