Ageratum.] LXXVIII. COMPOSITÆ. (J. D. Hooker.) 243 
Var. 5. fastigiata (not of Clarke Comp. Ind. 29) , leaves ovate-lanceolate glabrous, 
panicles fastigiate, achenes scabrid and warted. A. fastigiatum, DC. l c. 111. 
Lavenia fastigiata, Blume 7. c. 905. 
VAR.6. rugosa ` leaves ovate coriaceous rugose, achenes densely warted. A.rugosum, 
DC. in Wight Contrib. 8; Prodr. l. c. 112; Deless. Ic. Sel. iv. &. 10. A. latifolium, 
We. 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. 
Van. 7. reticulata; 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. viscosum, madurense and leiocarpum, DC. in 
Wight Contrib. 9; Prodr. v. 113. A. erectum, DC. l. c. Verbesina Lavenia, Linn. 
Fl. Zeyl. 145.—Burm. Thes. Zeyl. t. 42.—South India and Ceylon. 
8 AGERATUM, Linn. 
Erect herbs or shrubs. eaves opposite or the upper alternate. Meads 
corymbose or panicled, homogamous. Znvolucre campanulate ; bracts 2-3- 
seriate, linear, subequal; receptacle flat or nearly so, naked or with caducous 
scales. Corollas all tubular, equal, regular, limb 5-eleft. Anthers 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.— DrsTRIB. Species 
about 16, probably all American, but now distributed throughout the tropics. 
l. A. conyzoides, Linn.; DC. Prodr. v. 108; annual, 1-2 ft., hispidly 
hairy, leaves petioled ovate crenate, heads small in dense terminal corymbs, 
bracts striate acute, ray-fl. many pale blue or white, achenes black, pappus 
scales 6 awned often serrate below. Clarke Comp. Ind. 30; Wall. Cat. 3176. 
A. cordifolium, Roxb. Fl. Ind. iii. 415; Wall. Cat. 3177. 
Throughout Invia; ascending the Himalayas to 5000 ft.—Disrris. All hot 
countries, 
9. EUPA TORIUM., 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. Corodlas 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 
]-seriate, many, rigid, scabrid.—DrsrRrs. 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 1 in. long, invol. bracts very obtuse. Clarke Comp. 
Ind. 32. E. longicaule, Wall.; Clarke l.c. 32, not of DC. E. squamosum, 
Don Prodr. 170. Conyza longicaulis, Wall. Cat. 3073. Mikania clematidea, 
Wall. m DC. l.c. 191; Cat. 3173. 
SueTROPICAL HiwAravA ; from Simla to Bhotan alt, 2-6000 ft. exclusive of 
Sikkim. —Disrris. China, Japan. 
Tall, erect or scandent, slender, much branched above. Leaves 1-2 in., puberulous 
above, 3-pli-nerved ; petiole short. Heads pale, fastigiate ; 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. E. cannabinum, Linn.; DC. Prodr. v. 180; pubescent or puberu- 
lous, leaves simple or trisect lanceolate coarsely serrate, corymbs many rounded, 
heads j in. long, inner invol. bracts subacute. Clarke Comp. Ind. 34. E. 
Wallichii and heterophyllum, DC. l. c. 179, 180. E. punduanum, Wall. in DC. 
Prodr. l. c. 179; Cat. 3170; Clarke l.c, 383. E. nodiflorum, Wall. Cat. 3166 ; 
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