PLATES AND ILLTj\STRATIONS 



A new Kitella {N. spanioclema) 

 Asplenium Adiantum-nigrum var- acutum 

 Rev. Charles W. Benson 

 William Spotswood Green 

 Heterocarpy in Picris echioides 

 Nathaniel Colgan 



To face page i 

 page 13 

 page 73 

 page 81 

 page 25 

 ,. page 121 



