82 ' COMPOSITA. 
1156 ; Liebmann, 148, 144), Jalapa, at 3000 feet (Galeotti, 2200), Orizaba (Miller, 
1129; Bourgeau, 3207, 2393; Sallé). Hb. Kew. 
8. Ageratum glanduliferum, Schz. Bip. MSS. in Hb. Kew. 
Herbaceum vel fruticosum, glanduloso-villosum, foliis sessilibus vel subsessilibus ovato-oblongis 
crenatis, capitulis multifloris ad apices ramulorum cymosis, involucri bracteis latis biseriatis 
exterioribus villosis et pluricostatis, receptaculo nudo plano, corolla infundibuliformi pauci- 
glandulosa, acheniis immaturis hispidulis, pappi paleis 5 brevibus fimbriatis. 
Frutex (vel herba suffrutescens) fere omnino dense longeque glanduloso-villosus, ramis teretibus. 
Folia omnia opposita, sessilia vel subsessilia, ovato-oblonga, }—2-pollicaria, crenata. Capitula 
multiflora, pauca, ad apices ramulorum conferta ; involucri bractez late, subbiseriate, exteriores 
villose, pluricostate ; receptaculum nudum, planum; corolla sparse glandulosa, infundibuli- 
formis, infra medium angustissima. Achenia immatura hispidula, 5-angulata; pappi pales 5, 
breves, fimbriatz. 
South Mexico, Sempoaltepec (Liebmann, 238). Hb. Kew. 
There is also a specimen in Kew herbarium labelled “ Venezuela &c.” (Fendler, 1155). 
9, Ageratum isocarphoides, DC. Prodr. v. p. 107. 
Mexico (Henke). 
10. Ageratum latifolium, Hemsley, nec Cav. 
Celestina latifolia, Benth. in Vidensk. Meddel. 1852, p. 72. 
GUATEMALA, base of Volcan de Fuego (Salvin & Godman); Costa Rica, Aguacate 
(Grsted, 251, 253). Hb. Kew. 
11. Ageratum mexicanum, Sims, Bot. Mag. t. 2524, nec Sweet, ex Steetz in 
Peters’s Mossambique, p. 372, in adnot. 
Soutu Mexico, near Jalapa (Schiede). 
12. Ageratum microcarpum, Hemsley. 
Celestina microcarpa, Benth. in Vidensk. Meddel. 1852, p. 72. 
Costa Rica, Cartago (Girsted, 241, 247, 248). Hb. Kew. 
13. Ageratum microcephalum, Hemsley, n. sp. (Tab. XLIII. figg. 1-5.) 
Annuum, ramis elongatis teretibus, foliis omnibus oppositis lanceolatis supra scabridis subtus den- 
sissime et minutissime glandulosis (nec hirsutis), capitulis minimis dense cymoso-corymbosis, 
involucri bracteis angustis acutis rigidis pluriseriatis, receptaculo paleis paucissimis instructo, 
corolla subcylindrica glandulosa, achentis glabris, pappo brevissimo coroniformi integro. 
Herba annua, floribus albis (fide Galeotti), ramis teretibus, elongatis, graciliusculis, rectis, rigidis, 
sublignosis, puberulis, purpureo-striatis. ola omnia opposita, breviter petiolata, lanceolata, 
24—5-pollicaria, remotiuscule calloso-denticulata, utrinque gracatim attenuata, apice obtu- 
siuscula, supra scabrida, subtus glandulis flavis minutis densissime instructa. Capitula 
minima (1-14 lin. diametro), numerosa, creberrime cymoso-corymbosa; involucri bractez 
puberulz, angustz, acute, rigide, pluriseriate ; receptaculum fere planum, paleis paucissimis 
linearibus quam flores brevioribus instructum; corolla subcylindrica, extus glandulosa, lobi 
brevi. Achenia glabra, alba, 5-angulata, sepissime obliqua; pappus brevissimus, coroniformis, 
integer. 
