PLATE 20 



ifc I *^L-*C 



~/Vv > TT 



" a ^=VJ?T.- 



11 



119 



115. (Hii'liii/ii.-i i-iinlinalix. 



1 l(i. (illllllnlllf tl'ixlix. 



117. (!lii<liiiliis rnli'illi'i. 



118. Tritonin /lottfiii. 



119. Tritniiiii i-riiciiainiii nuii 



120. Tritania crocosmceflora. 



