224 HISTOIRE DES PLANTES. 
pressis v. plus minus latiuscule marginato-alatis. Cætera Bidentis'. — 
Herbæ annuæ; foliis oppositis, dentatis v. ternatim pinnatimve dis- 
sectis; capitulis parvis axillaribus v. sæpius terminalhibus; involueri 
ovoidei v. oblongi bracteis paucis, liberis v. basi connatis, 2-morphis; 
receptaculo paleis membranaceis  onusto. (America calid. occid. 
utraque °.) 
985. Narvalina Cass.® — Flores (fere Bidentis) fertiles, 2-mor- 
phi; radii 4-3, fæminei; corollæ ligulatæ limbo patente, 2-dentato; 
disci autem hermaphroditi pauci regulares. Antheræ basi obtuse sagit- 
tato-auriculatæ. Styli florum hermaphroditorum rami complanati lan- 
ceolato-appendiculati ; fœmineorum angustiores recurvi. Fructus 
membranaceo-marginati ciliali, aristis 2 retrorsum hispidis (deciduis) 
coronati. Cætera Bidentis. — Frutex glaber ; foliis oppositis petiolatis, 
argute dentatis; capitulis in cymas corymbiformes dispositis; involuer 
oblongi bracteis paucis rigidis, 2-3-seriatis; receptaculo subplano 
paleisque subplanis inter flores onusto. (Hispaniola*.) 
986. Chrysanthellum Ricn.® — Flores’? fertiles, 2-morphi; radii 
fœminei, 1-seriati, nune pauci; corollæ ligulatæ limbo patente, integro 
v. 2-dentato; disci autem hermaphroditi; corollæ tubulosæ limbo 
anguste campanulato, 5-dentato. Antheræ basi obtusæ. Styli florum 
hermaphroditorum rami longe v. breviter appendiculati. Fruclus 
oblongi, a dorso plus minus compressi; exteriores crassiores obtusequé 
marginati, annulo brevi v. pappo parvo cupulari, integro v. ciliolato, 
coronati. — Herbæ annuæ * ramosæ, glabræ v. hispidulæ ; foliis Opp0- 
sitis v. alternis, nunc basi rosulatis, bis v. ter sectis, v. ex parte incis0- 
dentatis; capitulis terminalibus v. in axiilis superioribus pedunculatis, 
solitariis v. laxe corymbiformi-cymosis ; involueri breviter campant- 
lati bracteis 1-2-seriatis ; receptaculo plano paleisque flores subten- 
1. Cujus forte potius sectio CA in D | k 
. — it. sc. nat., IX, 150. 
“ Spec. 4, 5, H.B.K., Nov. gen. et spec.,  Prodr., NV, 630. — ENDL., Gen., N: me 
p » 245, t. pe 384. — À. Gray, in Proc. Amer.  — B. H., Cen., 11, 389, n. 432. — Cole 
CT SPRENG., Syst. III, 622. — Sebastiana BERTOL 
3. Ta Dict., XXXVIII, 17. — Less, Sym. 234.  Opuse. (1822), 37. — 
Chrysanthellina Cass., In 
sU: Prodr., V,633. —Enpc., Gen., n. 2568.  Dict., IX, 150; XXV, 301 — LESS., SYn. 234. 
4 la cr Re — Adenospermum Hook. et ARN., in Hook. 
5. ec. i is: : Journ. of Bot., II, 318. — Hinterhubera SUB: 
ss S ec. 1, nunc in hortisnostris culta, non-  BiP., in Koch pl. nub., n. 175 (nec in Wedd. ChL 
qu variabilis. N. domingensis CAss. — Need-  andin., I, 185, t. 390). | 
‘ 7. Flavi v. albidi. 
domingensis Cass. 
6. In Pers, Syn., IN, 471. — Less , Syn., 234, 8. Vel nunc (?) perennes. 
