LXXXVIII COMPOSITAE. 169 
latum v. rarius imbricatum. | Achenia basi apiceque contracta. v. apice rostrata, rarius columnaria, 
ae sepius copiosus qnollisque. 
Subtribus 10. Scorzonerem.  Herbe glabre lanate v. rarius hispide. Involuerum simplex caly- 
ditun v. émbricatum.  Achenia basi parum v. haud contracta, areola latiuscula concava v. circa 
cavum producta, apice attenuata rostrata v. rarius truncata, 
43, 
CONSPECTUS GENERUM. 
"Tribus I. Vernoniaceee. Capitula homogama, tubuliflora, floribus omnibus hermaphroditis 
v. hine inde antheris pistillisve minus perfectis subdioicis. Involucri bractese oc-seriate imbricatze, 
v.rarius pauese definitzeque 1-2-seriatze. —Corollw squales, regulares. Anthere apice appendiculatze, 
basi sagittatz, auriculis obtusis acutis y. rarius breviter subcaudato-acuminatis antherarum conti- 
guarum connatis v. rarius liberis, Styli rami tenues, acutiusculi, szepius elongati, extus plus minus 
hirtelli, basi intus stigmatosi. Ach:nia teretia v. angulata, rarius leviter a dorso compressa, 
| l0-costata v. costis secundariis inconspieuis 5-costata, v. 15-20-costata, v. rarius costis ob con- 
tractionem faciei interioris reductis 8-9- v. 3—4-costata. .Pappus setosus anguste paleaceus v. rarius 
0. . Herbz frutices v. rarius arbores, Folia speciebus 2-3 exceptis alterna, integra dentata v. raris- 
sime lyratim divisa. Flores purpurascentes violascentes y. albi, rarissime czrulei, nunquam flavi. 
' "Excepta: Involucri bractesz sub-2-seriate in Corgymbio, 8 in series 2 dispositee in Elephantopode, 2 
tantum in Holandra et Spiracantha. 
* Corollz limbus explanatus subligulatus in Stokesia, obliquus ad latus interius fissus in 
Elephantopode, lobis ad dentes breves reductis in Zolandra et — 
Stylus vix apice divisus in Rolandra et Spiracantha. 
Folia opposita in Bothriocline et in speciebus 1-2 Brasiliensibus Vernonie. 
(Stylus fere rl€— rr etiam in paucis "— Asteroidearum, e.g. 
Chrysopside; He thoidearum, e.g. GU gy Isostig ete. ; Si ionidearum, e.g. 
"r7 Labo, Gynura, etc, quze omnia genera corollis tlaíis brachymeris facile distinguenda). 
* Subtribus 1l. Euvernoniem. Capitula discreta, pappo vario v. 0, rarius (in Vanillosmopside) 
capitula interdum aggregata pappo setoso. ; 
Series 1. Sparganophorem.  A4chenia cupula cartilagi onata. Capitula lateralia v. azillaria 
1. SPAncANOPHORUS. Acbhrenia 3-4-angulata, cupula dentata eoronata, Pappus 0.— Capitula 
parva.—Amer et. Afr. trop. 
2. PacovniNA. Achswnia teretia, 10-costata, cupula parva. Pappi sete copiose breves.— 
Capitula magna.—4er. d 
3. HxTEROCOMA. Recep pal Cetera. Pacourine. Brasilia. 
Series 2. Ethuliee. 4chenia annulo submarginali parum prominulo truncata v. annulo incon- 
spicuo obtusa. Pappus 0 v. e setis sepius pene d ita. Capitula. nunc. solitaria 
terminalia sessilia v. ped. lati , tine Corymboso-y iculata v, secus j varios Yolalos panicula sessilia, 
rarius aggregato-glomerata. 
rime Pappi setz sat copiose in speciebus nonnullis. CentratAeri, Blanchetie, e& Vanill- 
* Antherarum auriculg obtuse v. acuninate nec caudate, 
4. Pievii- Achswnia 4-5-angulata, apice late truncata. Pappus 0. Capitula parva, laxe 
corymbosa. Invol latum nec foliatum,— Afr. et As. trop. 
5. GuTENBERGIA. Achenia. 5-10-costata, apice rotundata. Pappus 0. Capitula parva v. 
mediocria, laxe corymbosa. Involuerum campanulatum nec foliatum.— Afr. trop. 
6. ERLANGEA. Achsnia (4-5-angulata?). Pappi setze 5, plumosw, caducissimz. . Capitula 
parvula, laxe corymbosa. Involucri bractez anguste. — Afr. trop. 
1. OrosPERMUM. Achzenia 10-costata, apice rotundata. Pappus 0. Capitula terminalia. 
Involuerum latum, bracteis interioribus scariosis exterioribus in folia expansis.— Brasilia. 
8. CENTRATHERUM.  Achsnia 10-costata. Pappi sete paueee v. £9pigam, Capitula mediocria 
y. majuseula, solitaria v, enim boss, Involucrum latum, bract ibus foliaceis laxis v. 
rarius breviter tantum herb dieulatis.— Heg. trop. utriusque orbis. M 
i 9. LAMPRACHJENIUM. dolemib: ;ecoutain, nitidissima, apice rotundata.  Pappi sete paucee. 
