EXPLANATION OF PLATE 2 



Pilea ohlanceolata 



1. Plant, natui'cal size. 



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



perianth and staminodes (.s) folded in ; d, perianth (j>) 

 and staminodes (s) opened out ; c, cystoliths on portion 

 of upper surface of leaf. 



Pilea Weddellii 



2. a, male flower ; h, c, d, e, female flower in vai'ious stages ; 



/, fruit ; (J, perianth (p) with stamin<^des (s) after escape 

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

 leaf. 



Pilea rufescens 



3. a, male flower ; h, fruit ; c, cj^^stoliths on portion of upper 



surface of leaf. 



Pilea Elizahethtv. 



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



of leaf. 



Pilea aiypendicilaia 



6. a, male flower ; h, female flower ; c, cystoliths on portion 



of upper surface of leaf. 



Pilea Iroyensis 



7. a, male flower ; h, fruit ; c, cystoliths on portion of upper 



surface of leaf. 



Pilea lamiifolia 



8. a, male flower ; ?>, fruit ; e, cystoliths on portion of upper 



surface of leaf. 



Pilea HollicJcii 



9. a, male flower : h, cystoliths on portion of upper surface 



of leaf. 



Pilea silvicola 



10. a, male flower; h, fruit; e, cystoliths on portion of upper 

 surface of leaf. 



Figs. 2--10 all X 10, except fig. 2, h, c, d, and 4, a, which are 

 X 20^ The fruit is in each case surrounded by the persistent 

 perianth. The hairs on leaf -surf ace, where they occur, are not 

 indicated. 



