EXPLANATION OF PLATE XXIII. 



PAGE. 



VERBENA CARROO Spegazzini . . . 684 



b, bract, this year's leaf. 

 ca, calyx, spread out. 



co, corolla, spread out so as to show the stamens. 



dl, decussate leaves, on short branches, side views, and also from above. 

 fr, fruit in section. 



gy, gynecium and lateral view of fruit. 

 hb, general habit, natural size. 

 in, inflorescence, with bracts and this year's leaves. 

 /, leaves of abortive branchlets. 



All except hb enlarged. 



( VOL. vin. ) 



