Gentratherum.'] LXXVIII. COMPOSITE. (J. D. Hooker.) 227 



1. E. conyzoides, Linn.', DC. Prodr. v. 12; heads - in. diam. Bot. 

 Reg. t. 695 ; Wall. Cat. 3196 ; Clarke Comp. 2nd. 1. E. ramosa, Roxb. Fl. Ind. 

 iii. 413 ; Watt. Cat. 2987. E. gracilis, Delile ; DC. 1. c. E. angustifolia, Bojer ; 

 DC. I. c. 



EASTERN BENGAL, ASSAM, and SILHET. DISTRIB. Sunda Archipelago and Java ? 

 E. Tropical Africa, Madagascar. 



An erect glabrous or puberulous leafy annual. Leaves 2-5 in., narrowly or broadly 

 elliptic-lanceolate, acuminate, narrowed and entire at the base, glandular-dotted ; ser- 

 ratures coarse, distant. Heads very numerous ; peduncles short or long ; flowers 

 purplish or reddish. African specimens are usually more slender and pubescent. 



2. CENTRATHERUltt, Cass. 



Erect or diffusely branched herbs. Leaves alternate, petioled, toothed. 

 Heads homoganious. Invol. subhemispheric ; bracts oo -seriate, inner dry or 

 scarious, outer herbaceous often leafy. Receptacle flat, naked or pitted. Corollas 

 all tubular, equal, slender ; limb campanulate, lobes 5, narrow. Anthers ob- 

 tusely auricled. Style-arms subulate. Achenes obtuse, 8-10-ribbed ; pappus 

 short, scabrid, fugacious. DISTRIB. Species about 10 Asiatic, with 2 American 

 and an Australian. 



* Leaves white beneath. Outer invol. bracts large, often leafy. 



t Pappus yellowish. 



1. C. reticulatum, Benth. in Gen. PL ii. 225; robust, scabridly tomen- 

 tose, leaves sessile ovate or oblong base acute or cordate scabrid above pale 

 tomentose beneath, nerves reticulate, pappus equalling the corolla-tube. Clarke 

 Comp. Ind. 2. Decaneuron reticulatum, DC. in Wight. Contrib. 3 ; Prodr. v. 

 66; Mem. Comp. t. 1. Rolfinkia centaurioides, Zenk. PL Ind. t. 14. Amphi- 

 raphis indica, Less, in Linnaa, vi. 686 ; Wall. Cat. 2956. Gymnanthemum 

 reticulatum, Schultz-Bip. in Walp. Rep. ii. 948. 



WESTERN PENINSULA; Nilgherry and Pulnev Mts., alt. 5-7000 ft., Wight, &c. 



Stem 2-3 ft., stout, erect, branched. Leaves 2-3 in., rigid, dirty white beneath; 

 nerves elevared, much reticulated; margins narrowly recurved. Heads subsolitary, 

 1-1 in. diam.; inner bracts broad, acute, pubescent, outermost leafy but short. 

 Achenes ^ in. long. 



2. C. molle, Benth. in Gen. PL ii. 225; branches and invol. bracts pubes- 

 cent and with white wool, leaves petioled elliptic-ovate or -lanceolate coarsely 

 toothed hairy above white-tomentose beneath, pappus very short. Decaneuron 

 molle, DC. Prodr. v. 67; Wight Ic. t. 1082. D/Epilejum and D. scabridum, 

 DC. in Wight Contrib. 7. Diospermum molle, Deless. Ic. Sel. iv. t. 2. Amphi- 

 raphis mollis, Wall. Cat. 2957. 



WESTERN PENINSULA ; Courtallam, Wight. 



Annual, erect, branched, 1-2 ft. Leaves 3-6 by 1-2^ in., rather membranous, 

 narrowed portion quite en r ire. Heads ^-f in. diam. ; outer invol. bracts, if leafy, 

 usually shorter than the head; inner often spreading or reflexed. Corolla % in. 

 Achenes . ~ in., linear-oblong, smooth, glabrous; pappus very short. D. scabrid fm, 

 Wight Herb. n. 1392, differs not at all from C. molle; his n. 1532, quoted by Clarke 

 under var. scabridum is C. courtallense. 



3. C. court allense, Benth. in Gen. PL ii. 225 (not of Clarke} ; branches 

 and invol. bracts coarsely hairy, leaves petioled elliptic-ovate or lanceolate 

 entire or toothed, pappus very short. Decaneuron courtallense, Wt. Ic. t. 1081 ; 

 Steetz in Peters Mosamb. Bot. 353. D. molle, var. Herb. Wt. (Kew Distrib. 

 1532). 



WESTERN PENINSULA ; Courtallam and Anamallay hills, Wight ; Canara, Hohen- 

 acker. 



Very near C. molle, but distinguished by the often quite entire leaves, usually 



