Conyza. polyoamia suprrflua. 429 



7. C. diffusa. U. 



Annual, erect, lower branches long-, spreailing", or droop- 

 ing-, downy. Iti/'erior leaves sub-lyra(e; superior, sessile, 

 oblong-, serrate-dentate. Flowers terminal. 



A native of Beng-al, where it appears during" the dry season. 



. 8. C.Jistulosa. Roxb. 



Annual, erect, fistulose, downy. Leaves sub-sessile, lan- 

 ceolate, sinuous-toothed. Spikes sub-verticelled. 



Annual, a native of dry ground near the mountainous parts 

 of the coast. It flowers during- the cold season. 



Stern erect, from two to three feet high, piped, branchy, 

 striated, downy. Leaves sub-sessile, broad lanceolate, a little 

 hairy, the lower ones sinuous-toothed ; the <<iiperior ones irre- 

 gularly toothed ; size various. Spikes terminal, sub verticel- 

 led, long-, erect. Flowers numerous, pretty large, purple 

 and yellow. Female florets numerous, minute, three-toof lied. 

 Hermaphrodite twenty in the centre. 



9. C. amjustifolia. Roxb. 



Annual, erect. Leaves sessile, linear, entire, downy. Pa- 

 nicles terminal ; floivers most numerous. 



This plant is annual, and I have only met with it in the 

 Company's Botanic garden ; it does not appear to be a native 

 of Bengal. 1 rather suspect the seed to have been accidental- 

 ly brought in boxes of earth, with other plants from the Au- 

 d a mans. 



Stem simple, erect, striated, somewhat scabrous, without 

 branches till within a foot, or eighteen inches of the top, where 

 there are several, forming a large oval panicle, the whole 

 height of the plant from four to eight feet. Leaves alter- 

 nate, sessile ; those of the stem most remotely serrate, and re- 

 flected ; those of the branches entire ; all are linear-lanceolate, 

 or linearly-clavate, and covered with short hairs ; size very 

 various. In the axills there are always several small leaves. 

 Flowers most numerous, small, of a very pale yellow. Puni- 



