333 



naked peduncles, tsti-, TcclinitMlly it is not ;i flofmeisteria, because it lacks the 

 outer row of pappus, luit its relationships are certainly there. 

 Eupatorium graciliflorura DC. Prod. v. 145 (1«86). A loose-growing plant with 

 many stems, 5 feet high: leaves sometimes U inches broad: pedicels variable, 

 nearly wanting to 8 lines long: llowers 15, white. In the niouut,ains back of 

 ManzaniUo, December 1 to 'Al, ISDO. No. 8i)8. 



The iindiiig of this plant by Dr. Palnier Itrings to light an old bnt little- 

 known species. It is probably not in any American lierbarium, nor have they 

 it at Kew. It has only twice before lieen coUeeted, lirst by Thaddaeus Haenke 

 in the latter part of the last century— about 17!)0 or 1792, It was probably 

 obtained on his trip with Luis Nee i'roni Acapulco to the City of Mexico. It was 

 next collect<'d by Karwinski, about Acapulco, juobably between 1826 and 1831. 

 Eupatorium quadrangulare DC. Prod. v. 150 (IX'M). I'pright plant, woody at 

 base, S to 10 feet liigli : leaves lo invlwH long: dowers Avhite with yellow cast. 

 Colima, January 9 to February 0, 1889. Nos. 1048, li02. 

 Eupatorium palmeri Gray, Proc. Amer. Acad. xxi. '^83 (1886). Plant 3 to 5 feet 

 high, with weak branches. In various ])arts of the mountains, growing in shade, 

 ManzaniUo, December 1 to 31, ISOO. No. 931. 

 Eupatorium sagittatum <;ray, PI. Wriglit, i. «8 (1852). Hanging upon fences and 



buslies for support. Very common. Agiabampo, October 3 to 1.5. No. 754. 

 Eupatorium s]). Colima, February 27 and 28, 1891. No. 1310. 

 Eupatorium sp. Cctlima, February 27 and 28, 1891. No. 1300. 

 Eupatorium sp, ManzaniUo, December I to 31, 1890. No. 889. 



Mikauia gonoclada DC. Prod. v. 199(1831)), A climbing ])lant, trailing over bnshes 

 and I'ences along river bottoms. Colima, .January 9 to February 6^ 1891, No. 

 1207. Here seems to belong M. cordifolia «f Smith's PI, dluatm. pt. 2. 35, 

 collected by John Donnell Smith in Cuatemala, 1890. 

 Brickellia diffusa (Vahl) Gray, I'l. Wriuht. i. 86(1852); Enpatorvm diffiisiim Yah], 

 tSym. Bot. iii. 94 (1794.) Grows in shade along Icnces in river bottoms. Colima, 

 January 9 to February 6, 1891 . No. 1188. 

 Brickellia laiiata (DC.) Gray, PI. Wriglit. i. 84 (1852); Bulhostylis hniatus DC. 

 Prod, viii. 2()8 (1839). Among bushes on river banks at Colima, January 9 to 

 Fel)ruary 6, 1891. No. 1149. 

 Brickellia ooulteri Gray, PI. Wriglit. i. 8() (1852). In shady ravines about Manza- 

 niUo, December 1 to 31, 18!ll, No. 947. 

 Brickellia colimEe Rose, s]), nov. ytems sullrutieose, 4 to 5 feet high, short glandu- 

 lar-pubescent: leaves opposite, 1 to 1.^ inches long, ()vate, acute or obtuse, cuneate 

 or subtruncate at base, erenately-toothed, scabrous above, pubescent beneath: 

 heads mostly on short lateral branches in corymbs of 1 to 5, ll-f!owered: iiivo- 

 lucrul bracts in about 3 soiies, very unetiiial, more or less pubescent and glandu- 

 lar; outer bracts short, ovate, acute, nerved; inner much larger, hardly nerved, 

 obtuse, ]mr]disli: cMiroUa brownish : akeues villous. Grows under slirubs along 

 a, river bank at Colima, January !> to February 6, 1891. No. 1160. 

 Heterotheca inuloides Cass. Diet. Sci. Nat. li. 460 (1827). It is said to have come 

 from the mountains near Colima. No. IISI. Dr. Palmer says: " It is called 

 'Arnica ' here, and is used for the sanu* ])iir])oses as the arnica of commerce. It 

 is put up in small packages and sidd in the markets of the city." It is the same 

 plant as Palmer's No. 268 (1885) from .Jalisco, which Dr. Gray refers to H. lepto- 

 (llossaY>VA\i Proc. Amer. Acad, xxii, 421.reganUngit asonly aformof /f. lamarckii. 

 It seems to rae to be a form of H. inuloides. Palmer's s[)ecimeu8 difl'er fnun H. 

 lamarckii in having larger heads and more numerous rays, ray-akenes more 

 slender (often abortive) and puberulent, etc. 

 Bigelovia diffusa (Reutb.) Gray, Proc. Amer. Acad. viii. 610 (1873); Ericameria 

 diffusa lienth. Pot. Voy. 8ulph. 23 (1844). Compact plant, 1 to 3 feet high. 

 Common on the sandy beach at Agiabampo, Octobei' 3 to 15, 1889. No. 815. 

 It is calleil " Verba del pasno," aud is used as a cathartic. 



