PiM — On the Hairs of the Androecium. 431 



Description of Plate XIX. — continued. 



Fig. 13. Verbascum nigrum. 

 ,, 14. Salvia rutilans, 

 ,, 15. Yucca sp. 

 ,, 16. Goldfussia anisophylla. 

 ,, 17. Justicia speciosa. 

 ,, 18. Acanthus spinosus. 



Hair on suture of anther. 

 ,, 19. Acanthus montanus. 



a. Sutural hair ; b. Dorsal hair. 

 ,, 20. Adhatoda eydonicefolia. 

 ,, 21. Arbutus unedo. 

 ,, 22. Narthecium ossifragum. 



PLATE XX. 



On Plate XX., figs. 2 and 18 are magnified about 40 diameters— all the rest 

 175 diameters. 



Fig. 



