PRnC.CAL.ACAn.Sci.3 r, SER.BDT.VDLl. 



[Cannqn] Plate LI. 



p 21 



ant. 



S P 



syn. 



21? 



20« 



AVENA EATUA L. 



UIH HH3TTQN & HEY, G.F 



