658 



Plate XLI. 



Fig. 1. Blennodia canescens, var. pterosperma. 

 Fig. 2. Acacia salicina. 



Plate XLII. 



Dicrastylis Costelloi, F. M. Bailey, la, a, type specimen from 

 Lake Nash, Queensland, collected by D. Costello; 16, hair from 

 upper face of leaf ; lc, expanded calyx (inside) ; Id, pistil (from 

 bud): le, corolla (in bud); If, corolla spread open (inside). 

 2a, specimen from Lake Perigundi; 2b, calyx of same; 2c, part 

 of corolla (inside) ; 2d, branch-hair and leaf-hair ; 2e, pistil in 

 bud and in flower. 3, specimen from Lake Eyre (Scnomburgk 

 Herbarium). 



Plate XLIII. 



Helipterum uniflorum, n. sp. 1, flower-head. 2, ripe achene. 

 3, short 2-hooked hair of achene. 4, corolla. 5, outer bract of 

 involucre. 6, inner bract of same (both showing the inner face). 

 7, pappus. 



The photographs of plants were taken on the spot bv Capt. 

 S. A. White. 



