94 COMPOSITES. Miknnia. 



20-flowered, 4 or 5 lines long : bracts of involucre with pointed somewhat spreading tips : 

 akenes rather short: pappus of 10 or 12 bristles and about as many small and narrow acute 

 squamellae. Pacif. R. Rep. vi. 96, t. 9, & But. Calif, i. 299. Canons, San Bernardino 

 desert, Southeast California to Arizona and S. Utah, Bigelow, Parry, Nctcbtrry, &c. 



9. MIKANIA, Willtl. (Prof. J. G. Mikan, of Prague, or his son and suc- 

 cessor, J. C. Mikan, who collected in Brazil.) Twining perennials, or many 

 erect and shrubby in tropical America, where most of the numerous species 

 occur ; with opposite leaves and small variously clustered heads. Our species, 

 confined to the Atlantic States, have slender-petioled angulate-cordate leaves, 

 corymbosely cymose heads of pale flesh-colored and more or less fragrant flowers, 

 produced in summer and autumn ; the throat of the corolla abruptly dilated from 

 the narrow tube, and broadly campanulate. Willd. Spec. iii. 1472; Benth. & 

 Hook. Gen. ii. 246. 



]VE. scandons, WILLD. Glabrous or puberulent : herbaceous stems high-twining: leaves 

 somewhat hastately or deltoidly cordate, acuminate, irregularly and obtusely angulate- 

 dentate or repand, rarely almost entire : heads crowded, about 3 lines long : involucral bracts 

 lanceolate, acuminate or slender-apiculate : corolla-lobes ovate, much shorter than the very 

 wide throat: akenes a line long, resiuous-atomiferous. Torr. & Gray, Fl. ii. 91 ; Baker 

 in Fl. Bras. vi. 248, in part. Enjiatortum scanclcns,~L.; Jacq. Ic. Ear. t. 1G9; Michx. Fl. 

 ii. 97. Moist ground along streams, New England and W. Canada to Florida and Texas. 

 (Mex. and W. Iiid. to S. Brazil, mostly in peculiar forms, if not species.) 



Var. pubescens, TOKK & GBAT, 1. c. From slightly to densely puberulent. M. pn- 

 besceus, Mnhl. Cat. 71 ; Nutt. Gen. ii. 13G. M. menispermea, DC. Prodr. v. 200. Southern 

 Atlantic States to Texas. 



M. COl'difolia, WILLD. Puberulent or pubescent, frutescent at base : branchlets often 

 striatc-angulate : leaves broadly cordate and angulate : inflorescence more compound : heads 

 4 or 5 lines long : involucral bracts oblong-linear, obtuse or muticous : corolla-lobes oblong- 

 lanceolate, fully as long as the campanulate throat: akenes 1 1 to 2 lines long, glabrous. 

 Cacalia cord/folia, L. f. Suppl. 351, & herb. Mntis, fide Baker, 1. c. 253. M. cord/folia (and 

 according to Baker also M. rubiginosa), Smith. M. suareolens, IIBK. Nov. Gen. Spec. 

 iv. 135. M. yonoclada, DC. 1. c. 199. M. concolvulacea, DC. 1. c. W. Louisiana, Hale. 

 (Mex., W. Ind., Brazil.) 



10. EUPAT6RIUM, Tourn. TIIOROUGHTVOKT, &c. (MMiridates Eu- 

 pator, king of Pontus.) Perennial herbs, a few annuals, and some shrubby in 

 the warmer regions ; with commonly opposite leaves, mostly resinous-atomifei'ous 

 and bitter ; the small heads corymbosely cymose, or sometimes paniculate, rarely 

 solitary. Fl. late summer and autumn. A vast genus as received in DC. Prodr. 

 v. 141, and more extended by Benth. & Hook. Gen. ii. 245 ; chiefly American. 

 The sections are too confluent for good subgenera. 



1. 6suiA, Benth. Involucre cylindrical or cylindraceous ; the bracts squa- 

 maceous, coriaceous or firm-chartaceous, sti'iate, pluriseriate, closely imbricated, the 

 exterior successively shorter, obtuse : receptacle of the flowers flat or rarely 

 convex : heads mostly clustered in corymbiform cymes : branching shrubs, or 

 rarely herbs with suffrutescent base, tropical or subtropical : leaves all opposite. 

 Osmia, Schultz Bip. Cylindrocephala, DC. 



* Involucral bracts abruptly appendiculate with short fnlinceous or partly colored squarrose tips: 

 heads pedunculate. Phyllacrocephala, Gray, PI. Wright, i. 88. 



E. sagittatum, GRAY,!, c. Probably snffrnticose, puberulent : leaves (inch long) slender- 

 petioled, sagittate or hastate, otherwise entire, acute or acuminate: heads nearly half-inch 

 long, in threes terminating divergent branchlets : involucre 30-40-flowered, its bracts firm- 





