119 



"^^- PLANTiE AVRIGHTIAN^. 



Fig. 5. The involucre and receptacle, from which the flowers have fallen, enlarged. 



" 6. Achenium and pappus, magnified. 



" 7. Vertical section of the achenium, showing the embryo, magnified. 



" 8. Transverse section of the same. 



" 9. One of the bristles of the pappus, highly magnified. 



PLATE XIV. CALYCOSERIS WRIGHTII, p. 106. 



Fig. 1. Receptacle (the scales of the involucre refle.xed), with its capillary setce, and a single flower 

 enlarged. 



" 2. An anther, more magnified. 



" 3. Summit of the style, equally magnified. 



" 5. Achenium, with its exterior coroniform pappus, and the capillary pappus detached, magnified. 



" 6. Transverse section of a, five-ribbed achenium, magnified. 



" 7. Similar section of a six-ribbed achenium. 



" 8. A separate bristle of the inner pappus, more magnified. 



EXTLICIT. KAL. FEB MDCCCLIII. 



