COMPOSÉES. 201 
basi breviter obtusiuscule v. acutiuscule auriculatæ. Styli rami breves 
acutiusculi. Fructus obpyramidati v. nunc compressiusculi, obtuse 
10-costati; pappi paleis paucis (1-10) radiantibus, ima basi connais, 
rigidis acutiusculis. — Herbæ* perennes; caule brevissimo; foliis 
basilaribus rosulatis, pinnatisectis v. sinuato-lobatis, spinuloso- vel 
obtuse dentatis, subtus albidis; capitulis in glomerulum contractum 
connatis intra folia subsessilibus ; involucri proprii bracteis ce, imbri- 
catis, inæqualibus, siccis, acutis; exterioribus spinescenti-appendicu- 
latis ; interioribus autem minoribus gradatim in paleas lineares fructus 
exteriores subtendentes abeuntibus?. (Africa austr. 3) 
VIT. HELIANTHEÆ, 
240. Helianthus L. — Flores 2-morphi v. raro, delicente radio 
1-morphi; radii neutri, fertiles v. rarius steriles (nunc 0); corollæ 
ligulatæ limbo patente elongato, integro v. paucidentato ; disci autem 
hermaphroditi fertiles ; corollæ regularis tubulosæ limbo elongato 
Cylindraceo-ampliato, 5-fido v. 5-dentato. Antheræ basi integræ v. 
decurrentes, nune minute 2-dentatæ v. 2-lobæ. Styli florum radii 
rami angusli recurvi; hermaphroditorum autem breviter v. longe apice 
hirto-appendiculati. Fructus oblongi v. oblongo-ovoidei, compressius- 
Cul v. 2-5-goni; pappi aristis paucis (sæpe 2), basi plus minus pa- 
leaceo-dilatatis ibique nune connatis, Caducis; additis nune squa- 
mellis intermediis paucis persistentibus. — Herbæ annuæ, perennes 
Y. basi frutescentes; caule subterraneo nunc tuberoso ; foliis oppositis 
Y. rarius alternis, nunc basilaribus omnibus, petiolatis, integris, den- 
latis v. 3-lobis, nunc 3-plinerviis ; capitulis peduneulatis; involucri late 
Pateriformis v. hemisphærici bracteis 2-% -seriatis, membranaceis 
v. herbaceis, nune squarrosis, Obtusis v. foliaceo-acuminatis ; recepta- 
Culo plano v. convexo paleisque complicauis flores disci amplectentibus 
Onusto. (America bor. et austr. calid. extratrop., Cuba.) — Vid.p. 46. 
1. Arctotidis facie. 3. Spec. 1, 2, Tauns., FL. cap., 141 (Cynara). 
2. Genus in Ordine sedis incertæ, Gorterieas,  — W., Spec. plant., II, 1692 (Cynara). — 
pe. Meur, Cum Vernonieis et Cardueis, me-  SPRENG., Syst., LIT, 394 (Sfobæa). — Harv. et 
diante Gundelia, connectens. SoxD., FI. cap., HE, 54 
