C. H. Ostenfeld: Contributions to West Australian Botany. II. 4o 



broadly obovate or obovate-rotundate ; each containing two ellip- 

 soidal brown seeds. Nectary scales minute, linear-clavate (see 



fig. 10 c). 



The allied C. Sieberiana has few-flowered flower-clusters, not 

 aggregating into dense spike-like inflorescences, longer pedicels 

 (several times longer than the flower), narrower sepals and much 

 smaller and narrower carpels (see the fig. on PI. VII of J. M. 

 Black's paper in Trans. R. Soc. S. Austr. XL, 1916). 



5. Crassula colorata (Nees) comb. nov. ; Tillæa colorata Nees ab 

 Esenbeck, in Lehmann, PI. Preiss. I 2 (1844) 277; T. adscendens Nees, 

 ibid, (non Crassula adscendens Thunb., 1778); T. verticillaris Ben- 

 tham, Fl. Austr. II (1864) 451, ex parte; T. acuminata F. M. 

 Reader, Vict. Naturalist XV (1900) 96; J. M. Black, Trans. R. 

 Soc. S. Austr. XL (1916) 63, pi. VII. 



Bentham (1. c.) included Nees's T. adscendens and T. colorata 

 in his T. verticillaris (= C. Sieberiana), but was evidently wrong 

 in this respect. I have examined Preiss's plants no. 1931 and 

 1932, upon which the two species were based, (specimens in the 

 herbarium of Lund, Sweden), and have found them much different 

 from Sieber's plant. On the other hand, the two species do not 

 differ in any essential point from each other, and I consider them 

 as one species only; for this I use the name C. colorata as C. ad- 

 scendens is preoccupied by C. adscendens Thunberg (1778). 



Some specimens sent by Mrs. Davis from the vicinity of Perth 

 (No. 1350, 1915) agree well with Preiss's plants, and from them I 

 have had cultivated specimens grown here in Copenhagen for 

 examination. From these different sources I have been able to 

 form a rather full idea of the species in question. 



Nees's descriptions of the two plants are very exact and 

 elaborate, and I have not much to add. He doubted himself the 

 independence of the latter of his species ("simillima T. adscen- 

 denti, cujus nescio an sit varietas"), and the distinctive marks 

 given are rather valueless, mostly merely modications dependent 

 on external circumstances. 



Recently F. M. Reader has created a new species, viz. Tillæa 

 acuminata (Victorian Naturalist XV, 96) to the description of 

 which I have no access. But J. M. Black has (Trans. R. Soc. 

 S. Austr. 1916, 63) given some remarks on it, and he has sent 

 me a herbarium specimen of it. It shows that it is the same 

 plant as Nees's C. colorata, and consequently Reader's name must 

 be reduced to a synonym. According to Black, it is widely 



