61 



Plate VI. 



Limnawihemum stygium, n. sp. 1, flower; 2, transverse 



section of ovary. 



Plate VII. 



Dicrastylis verticillata, n. sp. 1, flower; 2, corolla; 3, pistil; 



4, transverse section of ovary, showing the 4 cells, with 2 of the 

 partitions much thinner than the other 2 ; 5, ovary more advanced, 

 with 2 ripening and 2 abortive ovules, the 2 thin partitions being 

 gradually pressed out of position ; 6, bracts and bracteoles at base 

 of flower-whorl, which is regarded from above : — a, a, a, the 3 

 bracts; b, b, the bracteoles (2 at the base of each cluster); c, c, c, 

 the bases (concrete peduncles [?]) of the 3 clusters or reduced 

 cymes, all the flowers having been removed ; d, axis of the flower- 

 ing branch. 7, anther and part of filament; 8, corolla in bud 

 viewed from above: — e, e, the 2 lateral lobes folded outside the 

 others; /, /, the 2 upper lobes; g, the lowest and largest lobe. 

 9, transverse section of leaf ; 10, upper-surface of leaf near 

 summit; 11, lower-surface of same. 



Plate VIII. 

 Calocephalus Dittrichii, F. v. M. 1, flower; 2, style; 3, 

 bract of general involucre ■ 4, outer bract of partial involucre ; 



5, innermost bract of same. 



