462 COMPOSITE. [Cjssttiia. 



An abundant weed within the area, and through ont India on the plains, 

 extending westwards to Senegal and eastwards to China, Japan and 

 Australia. "When growing in shade the upper surface of the leaves ia 

 usually more or less glabrous. 



3. G. purpureum, Linn, 8jp. PI, 854 ; F, B, I. in, 2S9, 



Annual, sparsely cottony. Stems many from the root, 12-18 in. high, 

 ascending. Le'aves up to 4 in. long, spathulate, tip broadly rounded. 

 Heads i in. in diam,, in spicate globose clusters, invol-bracts linear, 

 subacute, shining. Achenes minutely papillose. Pajppus-hairs cohering 

 at the base. 



Upper Gansretic Plain (Falconer) ; Bijnor, Moradabad and Meerut (T. 

 Thomson). Distbib. N. Bengal, Behar and Garo Hills. Indigenous in 

 America and supposed to have been introduced with American cotton- 

 seed. A much larger and shorter plant than Q. indicum, and the 

 heads are twice the size. 



4. G. pulvinatum, Delile Fl. Egypte 266, t 44; F.'B. I. Hi, 289; Cooke 

 Fl. Bomb, ii, 31. G. depressum, Boxb; Fl. Ind. Hi, 425. 



A woolly annual. Stems 1-6 in. long, spreading from the root, prostrate. 

 Leaves small, spathulate, narrowed into a short petiole. Heads 

 minute, -^ i^-> immersed in wool in the axils of the crowded terminal 

 leaves. Invol-hracts slender, linear, recurved, green, with acute hyaline 

 tips. Corolla yellow. Achenes slender, minutely papillose. 



Abundant within the area, especially in sandy ground. DrsTEiB. 

 Throughout the plains of India from the Punjab and Sind, extending to 

 Burma and westwards to Egypt. 



19. C^SULIA, Roxb. ; Fl. Brit. Ind. iii, 291. 



A glabrous marsh herb. Leaves alternate, remotely serrulate. 

 Meads axillary, sessile. Flowers all hermaphrodite, fertile, pale-blue 

 or white, the outer sub-racemosely stipitate or sessile, theioner sessile. 

 Involucre large, membranous ; bracts 2, orbicular or ovate. JRecepta- 

 cle with a few palese to the outer flowers, naked in the centre, 

 glabrous. Corolla tubular, the limb narrowly campanulate, deeply 

 5-fid. Anther-bases sagittate, tails consisting of a small bundle of 

 line hairs. Style-arms short, clavate. Achenes flat, obovoid, notched, 

 winged on each side. Pappus of 2 ovate scales. A single species 

 confined to India. 

 I am indebted to my friend Dr. T. Cooke for drawing my attention to 



the correct floral structure of this remarkable plant. 



C. aKillarte, Roxb, Cor- PI. i,64, t. 93; Fl. Ind. iii, 447; Boyle III. 

 246; F. B, I. iii, 291 ; Coolie Fl. Bomb, ii, 35. Meyeria orientalis, Don. 

 Prod. 180. 

 A glabrous semi-aquatic herb. &tems 6-12 in. long, stout, more or less 



branched, prostrate or suberect, striate. Leaves sessile, 2-6 in. long, 



