COMPOSIT.A. 243 
51. Senecio mairetianus, DC. Prodv. vi. p. 430. 
Mexico (Mairet). Ub. Kew. 
52. Senecio macrobotrys, Hemsley, n. sp. 
Scandens?, foliis amplis peltatis 9-11-lobatis, capitulis discoideis parvis laxe paniculatis, paniculis 
usque ad 9 poll. latis et 12 poll. longis, involucri bracteis seepius 8 flores subzequantibus, acheniis 
glabris. | 
Frutex scandens?, ramis crassiusculis, elongatis, teretibus, foliisque plus minusve ferrugineo- 
puberulis. Folia, preter suprema, longe petiolata, subcoriacea, peltata, suborbicularia, usque 
ad 8 poll. diametro, breviter 9-11-lobata, minute calloso-dentata, lobis deltoideis ; petioli 
crassiusculi, 2-5 poll. longi. Capitula discoidea, 4-5 lineas longa, 12—15-flora, laxe paniculata ; 
panicule terminales, maxime vise 12 poll. longe, 9 poll. late; involucri bractez sepius 8, 
subbiseriatz, oblong, obtuse vel rotundatz, flores subequantes, extus puberule, medio incras- 
sate, marginibus praecipue interiorum late scariose ; receptaculum alveolatum ; corolle glabre; 
anther basi inappendiculate. Achenia (immatura tantum visa) glabra; pappi sete scabride. 
Soura Mexico, Orizaba (Bilimek, 560; Botteri, 1103). Hb. Kew. 
53. Senecio moreliz, Hemsley. 
Psacalium laxiflorum, Benth. Pl. Hartw. p. 41. 
Soutn Mexico, pine-woods, Morelia (Hartweg). Hb. Kew. 
54, Senecio mulgediifolius, Schauer in Linnea, xix. p. 733. 
Mexico (Aschenborn). 
55. Senecio multidentatus, Schz. Bip. MSS. in hb. Kew. 
Herbaceus, erectus, foliis tenuibus sessilibus angustis 4-9 poll. longis dentatis duplicato-dentatis — 
vel inferioribus basi pinnatifidis, corymbis compositis amplis polycephalis, capitulis radiatis 
mediocribus, involucri bracteis ad 12 apice sepissime fimbrilliferis, acheniis glabris. 
Herba annua (Galeotti), erecta, robusta, 2-3-pedalis, caulibus glabris vel glabrescentibus, striatis. 
Folia (caulina tantum visa) sessilia, tenuia, membranacea, lanceolata, oblongo-lanceolata vel 
anguste ovato-lanceolata, 4-9 poll. longa, acuminata, acuta, basi auriculata, amplexicaulia, 
creberrime dentata, duplicato-dentata vel inferiora infra medium pinnatifida, conspicue venosa, 
utrinque glabra vel glabrescentia. Capitula radiata, flava, circiter 9 lineas diametro, in corymbos 
compositos amplos laxos terminales disposita ; involucri bractez ad 12, lineares, glabra, margi- 
nibus scarios, apice sepius fimbrilliferse; receptaculum alveolatum ; flores radii 7-8 ; ligule 
anguste, 3-4 lineas longe; corollz disci brevissime 5-lobatz, lobis late ovatis, obtusiusculis, 
extus papillosis. Achenia immatura 5-costata, glabra; pappi setz molles, leviter scabride. 
Souta Mexico, Peak of Orizaba, 9000 to 11,000 feet (Liebmann, 179; Galeotti, 2064; 
Linden, 1126), Desierto Viejo (Bourgeau, 831). Hb. Kew. 
Var. minor, Hemsley. 
Humilior, omnino minor, foliis oblongis vel obovatis interdum obtusis vel rotundatis, corymbis longe 
pedunculatis, oligocephalis. 
Soutn Mexico, Peak of Orizaba, 10,000 to 12,500 feet (Linden, 1120; Galeotti, 2182; 
Liebmann, 180). Hb. Kew. 
56. Senecio multivenius, Benth. in Vidensk. Meddel. 1852, p. 109. 
Costa Rica, Volcan de Irazu, 8000 feet (Grsted, 21, 22,151). Hb. Kew. 
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