— 149 — 
Corolla composita radiata, corollulze hermaphrodi- 
t:e, oeto ad decem, in disco infundibuliformes, limbo 
quinquefido; ig totidem feré in radio, subro- 
tundze, tridentat 
Stamina Meuse filamenta quinque, capi- 
laria, breuissima, anthera cilyndracea, tubulosa. 
Pistillum hermaphroditis germen minimum, stylus 
filiformis, longitudine corolke, stigma obtusum; foe- 
mineis, germen obouatum, maiusculum, sLylus fili- 
formis longitudine tubi, stigma dupla, acutum, reuo- 
lutum 
Pericarpium nullum, calyx immutatus semina 
ouet. 
Semina hermaphroditis, nulla; feemineis obouata 
gibba, obtuse tetragona, nuda. 
Receptaculum paleaceum, conuexum, imbricatum; 
paleis subouatis, concauis, longitudine flosculorum, 
illisque sis bacc 
Radix fibro 
Caulis secsuin tripedalis,erectus, subangulatus. 
Rami brachiati, cauli consimiles, patentiusculi. 
Folia opposita, — ÁÓ€ integerrima. 
Petioli apice marginati, bre 
Pedunculi terminales, fie dieu uniflori, 
intermediis — Primarius in dichothomia ra- 
morum solitariu 
Flores lutei, udin Lissimi. 
Habitat in Auegpiato et Tlaltenanco. Floret No- 
uembri. 
Obse rnatio. Uariat: in aridis, caule, foliisque hir- 
snto-uiscosis, integerrimis; in umbrosis, et humidis, 
foliis subserratis, uillosis. 
.G. MELAMPODIUM. 
Rhombifolium. Melampodium caule erecto, 
foliis rhombeis, petiolis alatis, amplexicaulibus, se- 
minibus muricatis. Fl. Mex 
Calyx communis, simplex, —— foliis 
ouatis, obtusis, patentibus, persi isten 
Corolla composita, radiata, corollula? " hormaphrodi- 
l:& numerosze in disco: feminae duodecim circiter in 
radio. 
Propria hermaphroditi, monopetala, infundibulifor- 
mis, quinquedentata, erecta; foemina, subrotunda, 
tridentata 
Stamina hermaphroditis filamenta quinque, breuis- 
sima, anthera tubulosa, cylindracea. 
Pistillum hermaphroditis, germen minimum; sty- 
lus setaceus, stigma obsoletum; foemineis, germen 
obouatum, lateribus Mod eun e filiformis, 
breuissimus, stigmata dua, oblon 
Pericarpium nullum, calyx Seen semina sus- 
tinens. Semina hermaphroditis nulla. Feminis soli- 
laria, obouato-reniformia, subangulata, apice muri- 
cata 
* 
Pappus nullus. 
Receptaculum nudum. 
Radix lignosa, fibrosa, perpendicularis. 
Caulis herbaceus, tripedalis, erectus, ramosus, le- 
res, geniculatus, tubulosus, subruber, inferne euis, 
superné scabriusculus. 
Rami brachiati, cauli simillimi. 
Folia opposita, rhombea, inzequaliter dentata, tri- 
neruata, scabriuscula. 
Petioli alati, amplexicaules. 
Pedunculi ome solitarii, teretes, uniflori. 
Flores lutei, inodor 
Habitat in Sancti ncoulinl hortis. Floret Septem- 
bri 
Dichothomum. Melampodium caule erecto, 
foliis lanceolatis, dentatis. Fl. Mex 
Caulis herbaceus, idis uillosus. 
Rami dichothomi, hirsu 
Folia opposita, cedi integerrima, sessilia, 
supra basim trineru 
arqud vont etin dichothomia ramorum 
solitar 
E campanulati, foliolis conniuentibus, Or- 
decide radii ligulate, tridentat:e. 
Semina tetragona, subarcuata, scabra, mutica. 
Receptaculi paleze longitudine flosculorum, illis- 
que concolores 
Habitat in Mazatlami montibus. Floret Iunio. C. 
Obseruatio. Uariat foliis dentatis, repandisque. 
gulatum. Melampodium caule erecto, foliis 
sinuato-angulatis, petiolis marginalis, auriculatis, se- 
minibus nudis, keuibus. Fl. Mex. 
Caulis herbaceus, tripedalis, erectus, tubulosus, 
sulcis sex exaratus. 
Rami brachiati. 
Folia opposita, ouata, angulis plurimis acutis, inze- 
qualibus, subsinuata, denticulata, superne scabrius- 
cula, subtus tomentosa. 
Petioli marginati, basi auricula porrecta connati. 
eorr terminalesque, subtriflori , ui- 
-— 
z- 
Z 
Peste acciaio 
Calyx patentissimu 
Flores lutei paint, Vemittosculis quatuorde- 
cim, subrotundis, lineatis, tridentatis. 
Semina obouato-subrotunda, leuia, nuda. 
cq in Ayahualtempe montibus. Floret Au- 
. e. LI 
leonis. Melampodio rhombifolio habitu ualde 
affine, aquo tamen differt foliis sinuatis, caule sulca- 
to, seminibusque muticis. 
cgo eM caule erecto, foliis 
pinnatis. Fl. M ht 
Herba sesqidodran tls caule tenui, gracili, com- 
presso, bifurcato. 
