3. Adenostemma.] 78. COMPOSURE. 



In gi-assy places in the damper districts, near nalas and under shade in the 

 dryer districts. Fl., Fr, Oct.- Jan. 



Usually more or less pubescent or glandular above. A very variable plant of 

 which there are at least two well-marked forms in our area. 



Var. 1, typica. 



Leaves oblong-lanceolate 2-5— i" tapering into a short petiole, dis- 

 tantly serrate. Heads witboiit the styles 25'' long and broad. Invo- 

 lucral bracts oblanceolate- oblong herbaceous 2-seriate. Fls. glandular. 

 Calyx of 3 stipitato glands. Corolla -12". Style-arms -2" long. 



Valleys at higher elevations in Chota Nagpur ! 

 Var. 2, latifolia. 



Leaves broadly ovate -i" by 2 5" attenuate on the petiole. Fruits 

 densely Avarted. 



Purneah. 



The common form in the valleys has not been particularly examined. It has 

 broadly ovate leaves. 



i. AGERATUM, L. 

 Erect herbs or shrubs with opposite leaves or the upper alternate. 

 Fls. white or purple in corymbose or jjanicled homogamous heads. 

 Involucral bracts 2-3-seriate ; linear, subequal. Corollas all tubular, 

 equal, regular, limb 5-cleft. Anthers appendaged, base obtuse. Style- 

 arms elongate obtuse. Fruits 5-angied with a pappus of 5 short free 

 or connate scales or of 10-20 narrow unequal scales. 



1. A. conyzoides, L. Uchunti, Ben<j.; Poksunga, Boksunga, Or. 

 Ilami, iV\'j;. 

 An erect hispidly hairy herb 1-2 ft. high Avith coarsely crenate 

 ovate hairy petioled leaves 1-3" long and terminal corymbs of small 

 white or blue-purple heads of flowers -12-2" diam. with campanulate 

 involucre. Fruit black with a pappus of 5-awned scales. 



A very common plant but chiefly in the damper districts and often a weed in 

 cultivated fields and gardens ! FL, Fr. all the year round. 



5. ERIGERON, L. 



Herbs or shrubs with alternate leaves and white, blue or j)urple 

 ray-flowers. Heads heterogainous, rayed, but rays sometimes very 

 small. Ray fls. many-seriate female, ligule small, very slender; disc 

 fls. 2-sexual, tubular, yellow, 5-cleft. Involucre campanulate or hemi- 

 spheric, bracts few- or many-seriate. Anther bases obtuse, entire. 

 Style arms of herm. fl. flattened with lanceolate or usually short 3- 

 cornered tips. Cypsele comj^ressed, usually small and narrow, margins 

 often nerviform. Pappus a single or dovible row of liristles, the outer 

 fewer and shorter than the inner. 



1. E. asteroides, Roxl. 



An erect rather coarse hairy and glandular herb 6" -2 ft. higli, 

 much branched from near the ground witli ascending branches often 

 longer than central stem. Radical leaves obovate petioled, coarsely 

 toothed, cauline amplexicaul oblong or somewhat obovate, toothed or 

 lobulate 5-2" long. Heads solitary or few and corymbose, peduncled, 

 •2-'3" long, •25-*5" diam., with 1-2 rows of short spreading very 



402 



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