THE INDIAN SPECIES OF ERIOCAULON. 149 



II. Simplices.— Involucre glabrous. All floral parts in 3's. and 



equal or one female sepal smaller or absent. 

 (a) Receptacle ... glabrous. 

 {!>) Receptacel ... hairy. 



III. HIRSUTE— As II b, but involucral bracts hairy, or also the 



scapes and leaves. 



IV. Anisopetalje. — As II b, but one male petal much enlarged and 



projecting so or to hide the floral bracts. 

 I ! Floral bracts scabrid or puberous, pale : receptacle villous. 

 V. SCARIOSAE. — Female sepals 3 or 2 narrow. Male flowers 

 normal. 

 VI. Cristatosepalae. — Female sepals strongly boat-shaped and 

 crested on the keel or at least enlarged. Floral bracts pube- 

 rous in some. Male flowers normal. 



t I Female sepals connate. 



VII. Connatosepalae. — Female petals clawed. Male flowers nor- 



mal. One species only on Himalayas, remainder in China, etc. 

 B. Anthers white. 



VIII. Leucantherae. — Involucre black or pale. Floral bracts 



usually dark 'with white hairs, but also light and glabrous. 



General Key to the Groups. 



I Plants entirely submerged, leaves linear or 

 ribbon-like ... ... ... b« 



Plants of wet ground, leaves more or less 

 lanceolate ... •-- ... d. 



(Stem leafy for several inches; heads 1/6 in. 

 b.j or less ... ... ... ••• Setace^e. 



vStem 0, or if longer and branched, under 3 in. c. 



Anthers black, Ls. 1—2 in. (Khasia) E. gregatum or E. barba- 



caprae. 

 Anthers white or yellow stem ; ls. 2 in. or 



more ... ... ... ••• LEUCANTHER.E. 



c.i 



, (Anthers white or yellow ... ... D°- 



' ^Anthers black or greenish .t, ••• e » 



1697-20 



