Senecionidec. ] LXXXVIII. COMPOSITAE. 439 
l-seriatis sequalibus, additis seepe nonnullis exterioribus parvis. Receptaculum planum, 
nüdum.  Corolle 9 filiformes, apice truncate v. plus minus in ligulam brevem erectam 
v. longiorem patentem products ; ij regulares, tubulose, limbo elongato parum ampliato 
apice D-fido. Antherw basi integre v. auriculis brevissimis sagittatze. Stylus fl. U 
indivisus, obtusus. Achsnia fl. 9 linearia, 5-10-costata, pappi setis copiosis tenuibus 
.geabrellis v. breviter barbellatis; fl. 9 tenuia, vacua, pappo depauperato.— Herbzse plus 
minus albo-tomentoss. v. lanate, rhizomate v. caudice perenni.— Folia radicalia, scepius 
ampla, cordata v. reniformia.  Scapi v. caules co-cephali foliis ad squamas alternas re- 
ductis v. rarius inferioribus magis evolutis. Capitula mediocria, ad apicem scapi racemoso- 
v. thyrsoideo-panieulata. Corollw purpures v. albe, rarius ochroleucce. i 
Species ad 12, Europs, Asiz, et Amerieze borealis incole. . DC. Prod. v. 206, et. v. 205, vii. 271 
(Nardosmia). Walp. Aun. vi.148 eti. 404 (Nardosmia). . Boiss. Diagn. er. 2, iii. 5. Ait, Hort. 
Kew, t. 1l (Tussilago). .Reichb. Ic. Fl. Germ. t. 806 ad 901.  Ledeb. Ic. Fl. Ross. t. 341 (Tussilago). 
Torr. Fl. N. York, t. 49 (Nardosmia). .Bet. Mag. t. 1388 (Tussilago). : ibd 
Genus Tussilagini valde affine et in illo inclusum a Linnzeo aliisque, differt capitulis fere v. omnino 
dioieis, inflorescentia et colore florum.  NanDposwia, Cass. Dict. xxxiv. 186 ab auctoribus ob 
corollas 9 evidentius ligulatas distincta, a Reichenbachio melius iterum ad sectionem Petasitis 
reducitur. i : 
D61. ztomogyne, Cass. Dict. xxi. 412.—Capitula heterogama, disciformia, floribus in. 
ambitu 9 1-seriatis diseique. D fertilibus. Involucrum cylindraceum, bracteis 1-seriatis 
zqualibus, additis sepe monnullis exterioribus parvis. Receptaculum planum, nüdum. 
- Corolle 9 filiformes, truncatz v. apice in ligulam brevissimam products; regulares, 
tubuloss, limbo elongato parum ampliato apice D-füido. ^Anthers basi integrz v. auriculis 
brevissimis sagittats. Styli fl. Ó rami lineares, semiteretes v. superne leviter complanati , 
obtusi, extus papillosi.  Achsenia linearia, 5-10-costata. Pappi setze copiose, tenues, 
scabrelle v. breviter barbellatz.— Herbs Qus minus albo-tomentoss, tomento tamen 
Sepe mox deraso. Folia radicalia lata, cordata, angulata v. sinuato-dentata, swpius 
minora quam in Zussilagine et Petasite. capi 1-2-cephali, foliis ad squamas alternas. 
reductis. Capitula mediocria. Corollz purpurese v. albe. 
Species 3, montium Europs incole. JC. Prod. v. 204. Jacq. Fl. Austr. t. 246, 247, et App. t. 12 
(Tussilago). — Reichb. Ic. Fl. Germ. t. 902, 903. Bot. Mag, t. 84 (Tuseilago). 
Genus, olim: Tussilaginis sectio, differt floribus 4 stylo perfeeto fertilibus. 
562. Cremanthodium, Denfh. iw Hook. Ic. Pl. t. 1141, 1142.— Capitula heterogama, 
radiata, floribus radii 9 l-seriatis discique W fertilibus. Involucrum hemisphrerieum, 
bracteis sub-2-seriatis imbricatis membranaceis parum insqualibus y. exterioribus paucis 
brevioribus. Receptaculum subplanum, nudum, foveolatum. | Corolle 9 ligulatz, 
lamina patente integra v. 3-dentata; ( regulares, tubulosse, limbo cylindraceo apice 
D-fido. Antherw basi subintegr v. auriculis minutis sagittatwe. . Styli fl. D rami crassi- 
usculi, plus minus complanati, obtusi, dorso papillosi. Achsznia angulata, 5—10-striata, 
oblonga v. apice contracta. Pappi sets copiose, tenues, scabra v. barbellatoe.— Herb: 
perennes, foliis plerisque v. omnibus radicalibus cordato-reniformibus. dentatis v. rarius 
angustis pinnatifidisque. Scapi l-cephali, aphylli v. basin versus folia pauca alterna 
deorsum dilatato-vaginata ferentes. Capitula magna, nutantia, involucro sepe nigricante. 
Corollz (an semper 1) flavze. — Achrenia glabra. . : 
Species 4 v. 5, montium Himalays incole, inelusa Ligularia veniformi, DC. Prod. vi. 315. 
Stylus tamen ab illo Ligularie (Senecionis sect.) insigniter diversus, et genus omnibus notis multo 
. propius Homogyni accedere videtur. Ab hae differt capitulis latis radiatis, involuero et stylo. 
563. Aleiope, DOC. Prod. v. 209. (Celmisia, Cass. Dict. vii 356, nom ejusd. Diet. 
xxxvii. 259.)—Capitula heterogama, radiata, floribus radii Q 1-seriatis discique 
fertilibus. Involuerum late campanulatum v. hemisphsricum, bracteis oc-seriatis im- 
bricatis, interioribus o6 subzequalibus, exterioribus brevioribus. Receptaculum planum 
v. convexiusculum, foveolatum, Corolle 9 ligulatze, antheras cassas sspe ferentes, 
