EUCAITPTUS POLYANTHEMA. 



characteristics ; still on the whole E. polyanthema prefers more the top of rises, while E. mel- 

 liodora descends rather to the richer soil of the valleys. Its distinctness from E. populifolia seems 

 indisputable, as the foliage is not shining, the flowers are of larger size and on more conspicuous 

 stalklets, many of the outer stamens devoid of anthers, the latter opening terminally, the filaments 

 not being dark-colored and the fruits larger ; the geographic range of both is also different. 



E. Behriana shows usually lesser height, more rigid narrower and somewhat shining leaves, 

 stouter panicles, lesser development of the stalklets of the flowers, all stamens fertile, anthers 

 with lateral pores, often smaller fruits, always with firmer rim. 



Bentham (flora Australiensis iii. 214) unites with this E. Baueriana (Schauer, in Walpers 

 repertorium ii. 924), the diagnosis of which agrees sufficiently and proves it to be different from 

 E. piopulifolia. Bauer most jDrobably obtained his specimens from the vicinity of Sydney and not 

 from the tropical regions of Australia. 



E. oligantha (Schauer, in Walpers repertorium iii. 924) from Copeland-Island, of which 

 species I have not yet seen authentic material, seems according to description very closely allied 

 to E. polyanthema, differing chiefly in stiffer leaves, somewhat larger flowers, conical lid and 

 perhaps the (as yet unknown) fruit. 



Explanation of Analytic Details. — 1, longitudinal section of an unexpanded flower ; 2 and 3, front- and 

 back-view of a stamen ; 4, style and stigma ; 5, a portion of the calyx with fertile and sterile stamens ; 6 and 7, 

 longitudinal section of a fruit ; 8 and 9, sterile and fertile seeds ; all more or less enlarged. 



