1877.] Knowledge of the Burmese Flora. 190 



Flower-heads sessile or nearly so, clustered or solitary ; achoncs 1 lin. long, appressed 



pilose ; bristles of pappus smooth, V. squarrosa. 



t t Flower-heads small or rather small, few- (not above 15- ) 



flowered, in ample corymb-like panicles. Involucral 



bracts bluntish or hardly acuminate. {Gymnanthe- 



muni.) 



Eoughish puberulous ; leaves narrow, rarely broad ; flower-heads only 3 lin. long, 



numerous, in axillary and terminal corymbs, V. aspera. 



Eoughish puberulous ; leaves rather broad or narrow ; flower-heads 4 — 5 lin. long, 



shortly peduncled, in axillary and terminal panicled corymbs, V. saligna. 



+ + Outer series of pappus consisting of numerous or copious bris- 

 tles. Involucral bracts acuminate. {Lej^idaploa.) 

 Leaves broad, roughish puberulous ; flower-heads peduncled, in small sessile pubescent 

 axillary corymbs, or corymbose -panicled at the end of the branches ; involucral 



bracts white woolly, V. Kingii. 



Leaves narrow, roughish puberulous, chartaceous ; flower-heads shortly peduncled or 

 sessile, solitary or few in the leaf-axils, irregularly disposed raceme-like or form- 

 ing terminal poor corymbs ; involucral bracts nearly glabrous, V. attenuata. 



* * Large shrubs or trees^ rarely scandent. Flower-heads usually small and few- 



I 



X Pappus more or less tawny to red-brown. Involucre-bracts elongate 

 especially the inner ones. Scandent shrubs. 

 Glabrous or nearly so ; flower -heads | in. long, shortly peduncled, in small corymbs 

 panicled at the end of the branches ; leaves petioled ; achenes pilose, . . V. blanda. 



As preceding, but shortly puberulous ; achenes glabrous, V. scandens. 



X X Pappus white or whitish to pale straw-coloured. Involucre-bracts 

 short and rather broad. Flower-heads small. {Strobocalyx.) 

 ■k- Trees or erect shrubs. 



X Leaves sessile or very shortly petioled. 

 Small tree, pubescent or puberulous ; leaves cuneate-narrowed, shortly petioled ; 

 flower-heads shortly peduncled, corymbulose, in terminal leafless panicles ; invo- 

 lucre-bracts slightly and fugaceously appressed pubescent, . . . .V. volkameriaefoUa. 

 X X Leaves rather long-petioled. 

 Meagre shrub or small tree, softly tomentose ; leaves broad ; flower-heads shortly 

 peduncled, corymbose -panicled ; involucral bracts densely white -tomentose, 



. . V. Kurzii. 



Tree ; leaves coriaceous, long-petioled, densely tomentose beneath, glabrescent above 



or rarely also beneath ; flower-heads sessile or nearly so, clustered, in corymb-like 



tomentose panicles ; involucre-bracts thinly appressed pilose, V. arbor ea. 



+ + Scandent shrubs. 

 Stem and leaves beneath appressed silvery pubescent ; flower-heads almost sessile, 

 divaricate corymbose and panicled ; involucre -bracts glabrous, ciliate, 



. . V. elaeagnifolia. 

 Subg. 3. Sololepis. Outer involucre entirely leafy and large, or smaller and pro- 

 duced into a leafy appendage. 



* Outer involucre-bracts large and leafy, entirely concealing the inner ones 

 (Hololepis, DC). 

 Leaves broadly oval, almost sessile, rather glabrous ; flower-heads peduncled, corjon- 

 bose, , .... ...... ....•• V. calycina. 



