[Proc. Eot. Soc. Victoria, 20 (N.S.), Pt. II., 1907.] 



Akt IX. — On the Validitij of Callitrls Morrisoni. 



By R. T. baker, F.L.S. 



Curator Technological Museum, Sydney 

 Communicated by Professor Alfred J. Ewart, Ph.D., D.Sc, F.L S. 



[Eead 14th November, 19D7.] 



Ill Vol. 20 (N.8.), part T., 1907, p. 76, of these Proceedings, 

 Professor Ewart under " Contribu'ions to the Flora of Australia, 

 No. 6," expresses an opinion as to the specific rank of this species. 



Inter alia he states, " Thei-e can be no doubt that this species 

 (C robusta) is a variable one, but variations are often shown on 

 one and the same specimen, and hence it is neces.sary to retain 

 for it the scope given by Benthani, and include under it such 

 varieties as niicrocarpa, verrucosa, intratiopica, and possibly also 

 the columellaris of F. v. M. and the Morrisoni of R. T. Baker."^ 



Unfortunately no facts are educed to support the statement 

 that there " can be no doubt that C robusta is a variable species," 

 or that it is necessary to retain for it the scope given by 

 Bentham and include niicrocarpa, verrucosa, intratropica, and 

 possibly columellaris and C Morrisoni. That a variation of fruits 

 can be found on the same twig is common in most species, but the 

 point is, can fruits similar to C verrucosa, C. intratropica, C. 

 Drummondii and C. calcarata be found on one and the same speci- 

 men, for my species is allied to these two last and not C. robusta, 

 which was a misprint in my paper ? I maintain, No. 



The establishment of C. Morrisoni was made only after 



1. A thorough examination of all Callitiis material in 



the principal herbaria of Europe and Australia. 



2. A thorough morphological examination of living viaterial 



of nearly every known Callitris species of Australia 

 and Tasmania. 



3. A macro- and microscopical examination of their 



timbers, barks, leaves and fruits. 



1 Proc. Linn. Soc. N.S.W., vol. xxxi., 1906. 



