137 



Hexamerous flower: two of the petals are vexilla standing 

 in the upper part of the flower, pistil simple, K (6) C 6 St 

 (6 + 0), CI. Another hexamerous flower shows the peculiarity 

 that one of the flags laterally coheres with one of the calyx- 

 lobes (fig. 18b). 



Euphorbiaceae. 



Euphorbia plumerioides Teysm. 

 Coll. J. J. S. in horto bog. Febr. 1910. 

 Habitat New Guinea. 



Inflorescences with large foliaceous bracts all over the specimen 

 (fig. 19). 



Anacardiaceae. 



Mangifera spec. 



Coll. Dr. W. G. Boorsma in sno horto Weltevreden (Batavia) 1911. 



Habitat tropical Asia. 



Double fruit. 



Sterculiaceae. 



Pterospermum javanicum Jungh. 



Coll. J. J. S. et Rant, Tjiampea, Oct. 1910. 



Habitat Java. 



A leaf transformed to a pitcher. 



Ericaceae. 



Rhododendron gracile Low. (probably a variety). 



In herbario bogoriensi, coll. Teysmanu. 



Habitat Borneo. 



Our figure (20) shows at the base of the general peduncle a 

 fruitstalk and several cicatrices of fallen flowers and at the 

 top four fruits of which the stalks and bracts have grown 

 together to one whole. 



Solanaceae. 



Solanum Melongena L. 



Coll. Dr. W. G. Boorsma, Weltevreden, March. 1912. 



