502 MR. S. TROYTE DUNN ON 
2-3-seriate, laxe, margine scariose, denticulate, puberula, apice 
purpures, acute vel exteriores obtuse, ex duplo breviores. 
Corolle ligulate, multe, involucro duplo longiores; lame 
patentes. Achenia immatura hirtella. 
Yunnan: obtained by Henry’s native: collector Ho on the 
summit of Great Black Mountain at 8000 ft. near Mengtze, 
A. Henry 11302. 
Aster tenuissimus, Dunn ; inter species asiaticas habitu erecto 
tenuissimo distincta. 
Herba erecta, subsimplex, 4-pedalis. Caulis striatus, subter 
giaber, supra pedunculisque hirtellus. Folia papyracea, mn- 
feriora lanceolata, obtusa, mucronata, basi in petiolis gradatim 
angustatis et cum eis 4-5 poll. longis, pauciserratis, bast apiceque 
integris, subglabris; superiora minora, brevius petiolata vel 
sessilia, integriora. Capitula in ramis erectis brevibus hirtellis 
racemose disposita, paniculam laxam angustam sesquipedalem 
formantia, 4-5 lin. diam. Involuera campauulata, 3 lin. longa ; 
bractee 3-4-seriute, interiores acute, exteriores breves obtuse, 
omnes denticulate, lax, margine scariosx, dorso hirtelle, costa 
fusca impresse. Corolle ligulate pauce, involucro duplo 
longiores, ascendentes. -Achenia immatura subglabra. 
Yunna.: Ducloua, 754. 
Conyza pinnatifida, Dunn; a C. egyptiaca, Ait., foliis regu- 
lariter pinnatifidis distincta. ; 
Herba annua, 1-3-pedalis, strigosa atque simul laxe hirsuta. 
Caulis striatus, simplex vel pauciramosus. Folia sessilia, 
papyracea, ambitu ovata, 13-8 poll. Jonga, pinnatifida, segments 
sepissime linearibus, integris vel pauciserratis. Capitula wn 
paniculis caules ramosque termivantibus dispesita, 5—7 lin. diam. 
Lnvolucra campanulata, 4 lin. longa; bractez lineares, acute, 
multiseriate, exteriores breviores. Flores flavi. Achenva 
compressa, ecostata, florum 2 glabra, % hirtella; pappus 
uniseriatus. 
Yunnan: common on the grass mountains near Mengtze at 
6000 ft., A. Henry, 9982 A, Szemao, A. Henry, 12176, and at 
Yunnanfu, Ducloux, 128. 
Blumea gracilis, Dunn; inflorescentia ei B. glomerate, DC., 
similis, sed foliis distincta. “ot 
Herba monocarpica, 14-2-pedalis. Caulis erectus, strictus, 
