232 HISTOIRE DES PLANTES. 
300. Guardiola H. B.' — Flores? 2-morphi; radii pauci (1-5) 
fœminei fertiles ; corollæ ligulatæ limbo (nune parvo) integro, 2-3-lobo 
v. 2-3-dentato; disci autem hermaphroditi pauci (2-8) steriles ; corollæ 
regularis tubo elongato ; limbo cyathiformi, 5-fido. Antheræ basi in- 
tegræ. Stylus indivisus v. 2-ramosus. Fructus disci tenues vacui; radii 
autem oblongi, læves v. striati; callo basilari nunc crasso, centrico 
v. laterali ; pappi aristis 2, patentibus v. recurvis sæpiusve 0. — Herbæ 
glabræ v. scabræ ; foliis oppositis, dentatis v. 3-5-sectis; capitulis ter- 
minalibus corymbiformi-cymosis, sæpius 2-chotomis; involucri cylin- 
dracei bracteis paucis, nunc 2-seriatis, membranaceis ; exterioribus 
nunc brevissimis; receptaculo angusto plano paleisque flores subten- 
dentibus v. amplectentibus onusto*. (America bor. occ.* 
301. Chrysogonum L. ° — Flores5 2-morphi; radii fœminei fertiles, 
1-seriati; corollæ ligulatæ limbo patente, integro v. 2-3-dentato; disci 
autem hermaphroditi steriles; corollæ tubulosæ limbo anguste campa- 
nulato, 5-fido. Antheræ basi obtusæ v. minute dentatæ. Stylus florum 
hermaphroditorum indivisus; fœmineorum nunc 2-ramosus. Fruc- 
tus disci angusti vacui; radii compressi, plani, nunc crassissimi, 
3-quetri, sæpe intus 2-3-costati v. carinati; marginibus nunc alatis; 
pappo parvo disciformi, coroniformi v. dentato, deciduo v. e dentibus 
aristisve brevibus 2 constante. — Herbæ annuæ, perennes v. suffrutes- 
centes ; foliis oppositis, integris, dentatis v. pnnatim dissectis, glabris, 
scabris v. villosis; capitulis? stipitatis, solitariis v. laxe CyMOSIS”; 
involucri ovoidei v. campanulati bracteis paucis sub-2-seriatis, 
rigidule membranaceis v. herbaceis; receptaculo plano v. convexius- 
culo, paleis flores hermaphroditos subtendentibus v. amplecten- 
— REicHe., Jcon. sr t. 42, — A. GRAY,in 247. Rep., VI, 149 (Tulocarpus) ; 
Proc . Amer. Acad., Il, 391. — WALP., Rep. Am.,  Y, si bicremurpus 213. 
Il, 605, 976; Ann., I, 849 : V, 214. é. Cor. N. 008 (nee BauH.). — LAMK, lll., 
. PL æquin., 1, 143, t. 41. at Es Dict., t. 713. DC. » Prodr V, 510. ae DL, Gene, 
Fes 12; LIX, 319. — Less. nes — DC, n. 2471. : Gen., 1, 350, n. 334. — 
Prodr., V, 511. — Ennr., Gen., 12. — Diototephus hi in Dicl. ‘sc. bare re 
H., Gen., 11, 347, n. 327, — Cosiols STE. 543. a ‘+ MuEuL., in Trans 
(ex ENDL.). — Tu ulocarpus Hook. et ARN., in Soc. Fund, VII, 
Beech. rs Bot., 298, t. 63. 6. Flav 
2. « 4 Sodlonrites v. parvi 
3. Generis sectio mas; est Dicran 8. Generis, sensu not, Le sunt : 
GRAY, in Mem. Am re ser. 2, V, 322: in Moonia ARN., in Nov. nat. Cur., XVII, 
Torr. Emor. Exp., — B. H. Gen, 48. — dr. cr 8. — END, Ge 
IE, 347, n. 326: unitalié: parvis ; fructu” 2-cris- on. 2491 ie foliis déntatis ! v: sæpius disse ectis 
lato v. epapposo ; caule annuo ; foliis tom (India or.). Sectio genus cum Bidente nonnihil 
bus, integris v. Frs sectis (sectio genus cum  connecten 
Dee ec et ges ysanthellis dames Léltünore L., Mantiss., 158. I, 
c. 5. H. B.K., Nov. gen. et spec., IV, t. 109. — CASS,, in Dict., XXI, 2: TT 
