Ageratum."] LXXVIII. COMPOSITE:. (J. D. Hooker.) 243 



VAR. 5. fastigiata (not of Clarke Comp. Ind. 2$), leaves ovate-lanceolate glabrous, 

 panicles fastigiate, achenes- scabrid and wa-rted. A. fastigiatum, DC. I. c. 111. 

 Lavenia fastigiata, Blume I. e. 90 5i 



VAR. 6. ntgosa leaves ovate coriaceous rugose, achenes- densely warted. A. rugosum, 

 DC. in Wight Contrib. 8; Prodr. I. c. 112; Deless. Ic. Sel. iv. t. 10. A. latifoliura, 

 Wt. Ic. t. 1087. A. fastigiatum* Schultz-Bip. in Herb. Hohenack. n. 612 (not of DC.). 

 Lavenia rugosa, Wight in Wall. Cat. 3221. Nilgherry, &C; Mts. only. 



VAR. 7. reticulate ; leaves ovate sometimes a span broad often reticulate, achenes 

 smooth or sparsely warted often elongate. A. reticulatum, DC. in Wight Contrib. 8 ; 

 Prodr. v. 113; Wt. Ic. t. 1088. A. Yiscosum, madurense and leiocarpum, DC. in 

 Wight Contrib. 9; Prodr. v. 113. A. erectum, DC. I. c. Verbesina Lavenia, Linn. 

 Fl. Zeyl. U5.Burm. Thes. Zeyl. t. 42. South India and Ceylon. 



8. AGERATUItt, Linn. 



Erect herbs or shrubs. Leaves opposite or the upper alternate. Heads 

 corymbose or panided, bomogamous. Involucre camipanulate ; bracts 2-3- 

 seriate, linear, subequal ; receptacle flat or nearly so, naked or with caducous 

 scales. Corollas all tubular, equal, regular, limb 5-cleft. Antfiers appendaged, 

 base obtuse. Style-arms elongate, obtuse. Achenes 5-angled ; pappus of 5 short 

 free or connate scales, or of 10-20 narrow unequal scales. DISTRIB. Species 

 about 16, probably all American, but now distributed throughout the tropics. 



1. A. conyzoides, Linn.-, DO. Prodr. v. 108 ; annual, 1-2 ft., hispidly 

 hairy, leaves petioled ovate- creaate, heads small in dense terminal corymbs, 

 bracts striate acute, ray-fl. many pale blue or whfte> achenes black, pappus 

 scales 5 awned often serrate below. Clarke Cbmp. Ind. 30 ; Wall. Cat. 3176. 

 A. cordifolium, Eoxb. Fl. Ind. iii. 415 ; Wall. Cat. 3177. 



Throughout INDIA; ascending the Himalayas to 50-00 ft. DISTJRIB. All hot 

 countries. 



9. EUFATORZUM, L. 



Herbs shrubs or undershrubs. Leaves opposite or alternate^ Heads corym- 

 bose, homogamous. Involucre long or short: bracts few- or many-seriate, sub- 

 equal or outer shorter ; receptacle naked. Corollas all equal, regular, tubular ; 

 tube slender; limb 5-lobed or toothed. Anthers appendaged^ base obtuse. 

 Style-arms long, obtuse. Achenes truncate, 5-angled or -ribbed; pappus-hairs 

 1-seriate, many, rigid, scabrid. DISTRIB; About 400 species, chiefly American. 



1. E. Reevesii, Wall. Cat. 3168; DC. Prodr. v. 179; hoary-pubescent, 

 leaves simple ovate or lanceolate acuminate- entire or coarsely serrate, corymbs 

 very many rounded, heads \ in. long, invol. bracts very obtuse. Clarke Comp. 

 Ind. 32. E. longicaule, Wall.-, Clarke 1. c. 32, not of DC. E.. squamosum, 

 Don Prodr. 170. Conyza longicaulfs, Wall. Cat. 3073. Mikania clematidea, 

 Wall, in DC. I. c. 191 ; Oat. 3173. 



SUBTROPICAL HIMALAYA ; from Simla to Bhotan alt. 2-6000 ft. exclusive of 

 Sikkim. DISTRIB. China, Japan. 



Tall, erect or scandent, slender, much, branched above. Leaves 1-2 in.,puberulous 

 above, 3-pli-nerved ; petiole short. Heads pale, fastiaiate ; invol. bracts 5-8, obtuse, 

 hoary; flowers 5-8. This is usually called E'. longicaule, of De Candolle, whose 

 description does not agree -with my Indian specimens and. is probably made up of 

 more than one Wallichian plant. 



2. 22. cannabinum, Linn.-, DC. Prodr. v. 180; pubescent or puberu- 

 lous, leaves simple or trisect lanceolate coarsely serrate, corymbs many rounded, 

 heads ^ in. long, inner invol. bracts subacute. Clarke Comp. Ind. 34. E. 

 Wallichii and heterophyllum, DC. I. c. 179, 180. E. punduanum, Wall, in DC. 

 Prodr. I. c. 179 ; Cat. 3170; Clarke I. c. 33. E. nodiflorum, Wall. Cat. 3166 ; 



