c o 



viz. Rauwoljia, Tevetia, Cerbera, Plumieria, Ta- 

 hernamoniana^ Cameraria, Nerium^ Vinca, Apo- 

 cynuniy Cynanchum, Creopegia, Jfcelp'us, Stapelia. 

 Contort!, a natural clafs in Scopuli's FJora 

 Carnlollca. 



CONTRARI^ Valvule. The valves are 

 termed contraria, when the d'tjfephnentum is pla- 

 ced tranfverfely between them ; oppofed to pa- 

 ralleli ; exemplified in the Subularia. 



CONVEXUM Folium, a convex leaf; /. e. 

 rifing from the margin to the centre of the 

 diflc : quod in difco magis elevatum eft ; the reverie 

 of concavum, 



CONVOLUTUS Cirrus \_conv)lvo, to wrap 

 round] a tendril twining in the fame direftion 

 with the fun's motion, that is, from eaft, by the 

 fquth, to the weft : oppofed to Revolutus. 



Convolutum Folium, a term of Foliation, fig- 

 nifying the leaf being rolled up like a fcroU of 

 paper ; unius lateris margo circumambit alterum ejuf- 

 detfifolii marginem injiar cucuUi ; as in the Arum, 

 Piper, Solidago, Brajfica, Prunus, & Gramina 

 pleraque. 



CONUS. See Strohllm. 



COR- 



