166 AN INTRODUCTION 



on all sides, after the manner of that vessel ; cyathi- 

 form, shaped like a drinking-glass, when it is cy- 

 lindric, but widening a little towards the upper part ; 

 conniving, when there is a convergency of the points 

 of the several lobes of theiimb ; or, lacera, rent, 

 when the limb is finely cut. 



The Anthera, is versatile (easy to turn,) and in- 

 cumbent, (lying flat) when it is fastened on at its 

 side ; and erect, when it is fastened on at its base. 



The Pericarpium is inflate, puffed, when it is hol- 

 low like a bladder, and not tilled up with seeds; 

 prismatic, prism-shaped, when it is a linear polyedron 

 with plane sides ; turbinate, top-shaped, when it ta- 

 pers towards the base, as in Pyrus ; contort, twisted, 

 when it turns spirally, as in Ulmaria, Helicteres, and 

 Thalictrum ; acinasiform, fan Ichion- shaped, when the 

 fruit is compressed like a blade, one of the longitudi- 

 nal angles being obtuse, and the other acute ; echi- 

 nate, prickly like an Echinus, (hedgehog) when it is 

 beset on all sides with spines or aculei; torose*, 

 brawny, when it is here and there gibbous with 

 brawny swellings or prominences ; as in Lycopersi- 

 con and Phytolacca. 



CHAP. XXIII. 

 OF VARIETIES. 



THE collecting of VARIETIES under their proper 

 species, is a work no less necessary than that of col- 

 lecting the several species under their proper genus. 

 We have observed in the last chapter, that such dif- 

 ferences as are only incidental to vegetables, and are 



* Torus signifies properly the rise or .swelling out of tbi 

 strong muscles of an arm. 



