EXPLANATION OF PLATE 2 



Pilea ohlanceolata 



1. Plant, natural size. 



4, a, fe, female flower in different stages ; c, fruit with 



perianth and staininodes (s) folded in ; d, perianth (p) 

 and staminodes («) opened out ; c, cystoliths (m portion 

 of upper surface of leaf. 



Pilea Weddellii 



2. a, male flower ; b, e, d, e, female flower in various stages ; 



/, fruit ; g, perianth (p) with staminodes (s) after escape 

 of achene ; h, cystoliths on portion of upper surface of 

 leaf. 



Pilea rufescens 



3. a, male flower ; h, fruit ; e, cystoliths on portion «>f upper 



suff.'UMi of leaf. 



Pilea ElizabefhfK 



5. a, male flower ; h, cystoliths on portion of upper suiface 



of leaf. 



Pilea ajipendicilata 



G. rf, male flower; 6, female flower ; r, cystoliths on portion 

 of up}w>r surface of loaf. 



Pilea froj/cnsfs 



7. <i, male flower; h, fi'uit ; c, cystoliths on portion of upper 



surface of leaf. 



Pilea lamiifolia 



8. (I, male flower; /*, fruit: c cystoliths on portion of upper 



surface of leaf. 



Pilru IL'ilirki} 

 y. a, male flower: 1> (vstom.lis; on poii ion of upper surface 

 of lent. 



L'lii a HI I vt Cola 

 !0. (I, male flowei- ; />, fnn't : /•, cystoliths oi\ portion of upper 

 surface of leaf. 



Fig.s. 2-10 all X 10, except iig. 2, />, r, d, and 4, a, which are 

 X 20. The fruit is in each cas(5 surrounded by the j)ersistent 

 perianth. The hair-s on leaf surfjice, where th{^y occur, ai'c not 

 iniliented. 



