DESCRIPTION OF 







PLATE I. 



• 



• 



Fig. 1. Mature galled male receptacles. Almost natural 



Fig. 2. Ditto ditto ditto ; one divided and showing the receptacuiar cavity 



» 





PLATE IL 



Fig. 1. Mature male flower, showing sheathing hract, bilohed outer perianth, inner perianth 



ruptured superiorly, stamens, and rudimentary female orgaus x 105 



Fig. 2. Pedicellate gall-flowers from a receptacle ready for insects x 37 



Fig. 3. Pedicellate gall-flowers containing insects from an almost mature receptacle ... x 37 



Fig. 4. Sessile gall-flower from a receptacle ready for insects . . x 42 



Fig. 5. True female flowers from a receptaole ready for insects x 25 



Fig 6. Pedicellate female flower stained with picrocarmine from a receptacle ready for insects, 



showing perianth, division of axial fihro-vascular bundle, funiele, and ovule ... x 42 



Fig. 7. Mature female flowers containing ripe achenes x 25 



N. 



lotinted covered 

 uncovered ones. 





PLATE III. 



Fig. 1. Yertical section through the ostiole of a female receptacle ready for insects, showing the 



thickness of the solid plug of overlapping ostiolar bracts and the relative >ize of the 



female fig-insect . x ™* 



Fig. 2. Vertical section of a female receptacle ready for insects. Natural bize. 



Fig. 3. Transverse section of a female receptacle in which a certain number of the ovaries have 



become enlarged independent of access of insects. Natural size. 



Fig. 4. Flowers and part of the receptacular wall of a mature female receptacle x 10 5 



Fig. 5. Ditto ditto ditto female receptacle ready for insect* • . . x 10 



Fig. 6. Mature female reoeptacle. Natural size. 



Fi£. 7. Transverse section of a mature female receptacle. Natural size. 



PLATE IV. 



Fig. 1. Male flowers : «, nearly mature, inner perianth divided and' reflected to show position 



of stamens and rudimentary female organs ; b, position of stamen 



fully 



mature flower. 



ith naturally ruptured inner perianth still 



Fig. 2. Upper part of nearly mature male flower with natura.iy rupiureu ^ ,_ ~ ^ ^ 



surrounding the folded filaments 



Ann. Eoy. Box. Gard. Calcutta, Vol. I Appendix 



)TA r- 



lA p 



