EXPLANATION OF PLATE XXVII. 



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A. LEPIDOPHYLLUM CUPRESSIFORME (Pers.) Cass. ..... 782 



B. NARDOPHYLLUM HUMILE (Hook, f.) A. Gray. . . . . 783 



In both species : 



a, andrecium within the opened corolla of a disk-flower. 

 b (in B}, a leafy branch. 

 be, a branch with its leaves and the terminal capitulum. 



f, disk-flower, showing the gynecium and the pappus. Beside this in A is a 



pappus-pale, and above it in B, a pappus-seta. 



g, gynecium, dissected so as to show the erect ovule and the style and stigmas. 

 h, general habit of the plant. 



/, leaves. 



Ig (in A), ligule of a ray-flower, as seen at rf, which is a ray-flower. 



s, style branches of A; in B these are seen in fig. g. 



In A, the be on the right side is attended by one of its inner involucral scales, 

 and by a young achene. The corresponding figure of B has two involucral scales 

 separately shown : b of B is a young branch with subsessile capitula. 



All the figures except h, h, are magnified : h, h, are of the natural size. 



(VOL. vni.) 



