Dr W. Eutherford on the FertiUsati07i of Orchids. 73 



One Pollinium removed. 



The Left. 



Non-fertile. 



10 



bj their 



\ 



tH 



. CO 



i>. 



Pollinia attached to one another by their 

 bases. 



Fertile. 



44 

 15 



one another 

 les. 



1 . 



Oi 



/ 



The Eight. 



Non-fertile. 



3 

 7 



attached to 

 bas 



o 



)H 



CO 



' Oi 



Fertile. 



53 

 30 



Pollinia 



CO 



00 



1 



Both Pollinia removed. 



Non-fertile. 



47 



15 of these 

 young. 



9 

 2 



00 



> CO 



05 



00 



Fertile. 



W5 CD tH 

 CO C5 CO 



»o 



Oi 



00 



1128 



Both Pollinia remaining. 



Non-fertile. 



28 

 12 of these 

 young. 



29 

 39 



CD 

 Oi 



\i2 



/ ^ 



None. 



Fertile. 



50 



2 of these 

 young. 



54 

 15 



Oi 



tH 

 rH 



1 



Ci 

 CO 



Number 

 of Flowers 

 examined. 



O tH O 

 O CD 

 O (M 

 rH 



1304 



1175 









Name. 



Orchis macu- ' 

 lata 1 



Gymnadenia ] 

 conopsea J 



Orchis pyrami- " 

 dalis 



Totals, 



Cephalanthera 

 grandiflora 



NEW SERIES. VOL. XIX NO. I. JANUARY 1864. 



K 



