COMPOSIT.E. 395 



A. coNYzniDKS, L. A weed all over Burma, Kamorta, Kateliall. 



A. nrdifolium, lloxb. Introduced in tlio Andamans. 



* * Anthers InoicaU at the top and not appendaged. Achenes 5-ribhcd. 

 Adkxostkmma, Forster. 



Tnvolucral Iracfs numerous, almost in '2 rows, somewhat unequal. Ptippii-s of 

 3-5 short stiff spreading bristles usually gland-tipped. Herbs. 



A. vIscos^T^r, Forst. var. « and fi Aralian. Ava. Pegu. 



Ageratuin aquaticum, Roxb. Kamorta and Katehall. ji the 



A.Jhstigiatiim and Roylei, I).C. rarer, var. 7 Tcnasserim. 



A. rugosum and 2Iadurense, D.C. 



A. elafiim, Don. 



A. rivale, Dalz. 



var. a verum, Clarke (including chiliim and lutifolium, Clarke). Larger, the 

 leaves larger and broader, often sumewhat succulent. Flower-heatls larger. .Vehenes 

 more or less glandular uiuricate. 



var. ji microcephalum, D.C. As preceding, but usually thinner and the leaves 

 smaller. Heads very small. 



var. 7 angmtifoliuin, Edg. Leaves elongate-linear, rest as in var. n. 



var. c reticulatum, D.C; A. tiiocurpum, D.C. ; A. erection, D.C. As var. «, 

 but leaves somewhat rough above and often more or less lacunoso, tawny pubescent 

 on the nerves beneath. Achenes smooth. 



Sub-h-ibe VERXOXIACIEJE. 

 Anther-hasie sagittate. Sfgle-hranches subulate, shortly hairy all over. Leaves 

 iisually alternate. 



* Flower-heads small, usually 1- or feic-floicered, paelu'd into a head-like cluster 

 {Lychnophorieee) . 



Elephaxtopus, Limmus. 



Fliirets slightly irregular, by 2-5 in a head. Tnvolucral bracts usually 8, in two 

 rows. Bristles or scales of pappus rigid, in 1 or 2 rows. Flower-heads clustered, the 

 clusters leafy-iuvolucred. Herbs. 



E. scAiiEE, L. \yastc s]iots all over BuiTua. 



* * Flower-heads separate, usually pedimcled and in more or less lax injlorescences 

 ( Vtrnoniece). 



X Pappus none or more usually composed of a few very caducous bristles. 



ExnuLiA, Linnaeus. 

 Involucre bell-shaped, not leafy. Flower-heads small, corymbose. Achenes 

 4-5-cornered, broadly truncate at the top. Pappus none. Herbs. 



E. coHYZoiDEs, L. Chittagong near Comilla. 



F. ramosa, Koxb. 



X X Pappus more or less persistent, composed of numerous capillary bristles in. 2-3 

 rows, those of the outer row sometimes very short or reduced to scalelets. 



Yekno.nia, Sehrcber. 

 Flower-heads various, the bracts in many rows, scarious or the outer ones some- 

 times Icafy-appendaged. Receptacle naked or areolatc. Achenes 10-ribbcd or 4-5- 

 cornered. Outer pappus as long as the inner, or shorter, very short, or none. Shrubs 

 or herbs. 



Sub-genus Cyaxopis (Bluuie). 



Flotoer-heads small. Achenes 4-5-cornered or terete, not ribbed. Outer row of 

 pappus bristly or paleaceous. Low annual herbs. 



