41 



iiitergrade inlciiiiiuulily. It iis low iiiul Blender, a fow iiicben to a foot high, 

 Willi ii chiNtcr of spatiilato iiioro or less doutate or lobed leaves tapering into 

 ii long i>('ti()lo, and long filiform brancli<'s bearing Miiiall and narrowly linear 

 entire leavi'H and loug-pednnculate aolitary heads. The involncro is about 

 as bristly lus in E, anniins, and nuicli of the pnbe8(;cnco is not appressed, 



214. Erigerou tenuis Torr. & Gray. Point Isabel. 



215. Coziyza Coulteri Oray. f'anip Charlotte (Ixion county). An nunsually broad- 



li':i\t'il .s[>('eiiMi'n. 



216. Baccharis angustifolia Jlichx, On the Pecos near Pecos City (Pecos county). 



217. Baccharis Bigelovii Gray. Cbenate Mountains (Presidio county). 

 213. Giiaphaliuni clecnrreiis Ives. Linipia canon (Presidio county). 



219. Giiaphalium palustre Nutt. Santa JIaria (Cameron county). 



220. Giiaplialium Sprengelii Hook. A:. Arn. Limpia caiion (Presidio connty). 



221. Melampodium cinereiim DC. Koma (Starr connty), and Liinpia canon 



( I'M'sidio county). 



222. Berlandiera lyrata Hentli. Screw Bean (Presidio county). 



223. Parthenium iucanum IIUK. Screw liean (Presidio county).* 



224. Hymeuoclea monogyra Tmr. & Gray. Chisos ftiountaiiis (Foley county). 



225. Xanthiimi !3pi]iosum Iv, Pena (l)nval county). Introduced. 



226. Zinnia acero.sa (Jiay. tMienate Mountains and Screw Bean (Presidio county). 



227. Gymnolomia multiflora Bentli. &, Hook. ChLsos MounJains (Foley county). 



228. Gymnolomia tenuifolia Pentli. A- Hook. S^nta Maria (Canu-ron county), 



I'lieiiiite M(Muiluins, and Screw Bean (Presidio county). 



229. Lepachys columnaris Torr. & Gray, var. piilcherrima Torr. & Gray. Santa 



M;uia ((Janieron connty). 



230. Vigniera longipes Coulter, «. np. Herbaceous, or .somewhat lignescent at base, 



his[iid and scabrous, 4.0 to <iO""' high, simph-, or somewiiat branching above, 

 ending in a long naked (rarely 1 or 2 ))racteate) peduncle (15 to S.V" long) 

 bearing a solitary head (_with sometimes shorter lateral peduncles) : leaves all 

 ojiposite, ovate-lanceohite to linear, three-ribbed from the base, from irregu- 

 larly laciniato or toothed to almost entire, with margins mostly revolute, 

 tapering at base into a more or less distinct petiole, -ZS) to Tj™' long : involucre 

 about 1'^""" high; bracts ovate, acute or the outer ones acuminate, somewhat 

 coriaceous at base, hi.spid, the inner ones with softly eiliate margins, in two or 

 three series: disk corollas with very narrow tube about as long as the awns, 

 much enlarged above into a campaunlate five-toothed limb : cliatfy bracls of 

 I he receptacle gradually acuminate, with a strong blackish midrib: akenes 

 narrowly oblong, sparingly pilose or glabrate, longer than the often unequal 

 scabrous awns which are chaffy at base; the intermediate clially i»ale;e laci- 

 niate or eroso.— Corpus Christi. Related in certain particulars to both V. cor- 

 (lifoUa and V. htviiiiala, but very different from both. 



231. Helianthus ciliaris DC. Santa Maria (Citnieron county). 



232. Helianthus debilis Nutt., vac cucumerifolius Gray. Chisos Mountains (Foley 



county). 



233. Flourensia cernua DC. Cheiiate Monnt:iins (Presidio county). 



234. Encelia calva Gray. Koma (Starr county). 



235. Verbssina encelioides lienth. &, Hook. Corpus Christi. 



236. Verbesina Virginica L. Santa Maria (Cameron county). A low depauperate 



simple form, imly a foot high, with wingetl stem, and loaves abruptly wing- 

 petloled. 



237. Synedrella vialis Gray, Brazos Santiago. 



238. Hetercspermiim pinnatum Cav. Limpia cafion (PreHi<lio county). 



239. Coreopsis coronata Hook. Brazos Santiago. 



240. Coreopsis tinctoria Nutt, Chenate Monutaius (Presjdio county). 



