116 



branches have grown, some of which were still undeveloped at 

 the time of collection. Five of them produced besides leaves 

 a conspicuous flower-head. The two largest of these, supported 

 by peduncles of 14 — 15 cm, were about to open. Mr. Smith 

 cut the plant on account of its beginning to wither. 



This case is to be classed with the hen and chickens devia- 

 tions of Bellis, Calendula and Coreopsis, although it differs 

 from it by the leaves on the stalks and takes consequently 

 a place between the foliar and the floral axillary prolifications. 



Amsterdam, April 1911. 



LIST OF THE FIGURES. 



PLATE XVIII. 



Fig. 1. Ananas salivus Schult. Star- 

 shaped pine-apple, viewed from above. 



Fig. 2. Tiie same, lateral view of one 

 of the rays. 



PLATE XIX. 



Fig. 3. Transverse section of the whole 

 fruit. 



Fig. 4. Ananas sativus Schulb Branched 

 pine-apple. 



Fig. 5. Alpinia Schumanniana Val a. 

 normal flower, stamen and pistil bent 

 downwards, b. abnormal flower, show- 

 ing metaschematic reversion. 



Fig. 6. Calanthe triplicata Ames. Ter- 

 minal inflorescence. 



Fig. 7 — 12. Several cases of pseudo- 



PLATE XX. 



dimery of the flower of the same 

 species of Calantlw. 

 Fig. 13. Cup-shaped apices of the 

 terminal foliole of Aeglc Marmelos 

 Correa. 

 Fig. 14. Mangifera indica L. Germination 

 within the fruit. 



PLATE XXI. 



Fig. 15. Carica Papaya L. Fruit ten- 

 ding to apocarpy. 

 Fig. 16. The same, transverse section. 



Fig. 17. Tectona gramlis L. Monstrous 

 leaf. 



PLATE XXIL 



Fig. 18. Tectona grandis L. Top of a 

 branch with abnormal leaves. 



Fig. 19. Justicia procumbens L. Foliar 

 prolification of the inflorescence. 



