JX JAVA. 



03 



anther-cap, as seen in Fig. 18 and in 19, where the anther-cap 

 is removed. 



On the conclusion of these singular movements no remains 

 of the stigma can be seen. As a rale these o|K?rations are eon- 

 eluded before the full expanding of the flower, whose petals, 

 after remaining expanded for only a 

 few hours, fade, and, (dosing round the 

 column, exclude any intruder from dis- 

 turbing the interesting and mysterious 

 rites of natnre being enacted within. 

 I have found that in some cases the 

 rostellum (the upper margin of the 

 stigma) is not invaginated down the 

 stylary canal, but retains the more 

 natujal orchideal form of a broad fiat na, -22.— Ant^miKA spscnosA, 

 floor to the anther, projecting far over ™ 

 the stigma as seen m J?ig. 22. \\ hen n«. 16; t^Bmae floor 

 the flower of Arunditm speciosa has this SJ^IS^^^Ar.^*''*'*^" 

 rare form it invariably, as far as my 



observations enable me to speak, falls off mfertilued. The 

 pollinia also lie far back in the anther, and are entirely con- 

 cealed by the anther-case, which fits close down all round. An 

 insect, to secure the pollinia, would require to alight on the 



TIGS. 23 AN'D 24.— ERIA BP., 5EAft TO E. JATESSIS ; A. ANTHEB-CAt*, m HO. 23» 

 eiiaiVtLLED UP ; B, I-OLLISIA ; B', POIUNIA gWOLLEN AITBa FALtJHfi WTTO 

 BTIGMA; P, IlOSTIliL'M; E, STIOMA. 



margin of the rostellar platform and lift up the anther case, a 

 difficult operation, which supposing it to have successfully 

 accomplished, it might wander far to find a stigma to apply 

 the ptjllen so obtained to, for its own form of organs does not 



