372 LXXXVIII. COMPOSITAE. - [Helianthoidea. 
&piees ramorum v. in dichotomiis rarius in axillis peduneulata v. subsessilia, pauca v. 
laxe panieulata. Corolle flavs (v. rarius purpurese?), ligulis sepius conspicuis rarius 
parvis. Achenia plus minus pilosa, basi ssepius supra callum basilarem utrinque squamula 
parva aucta. : ; 
Species fere 40, Americz Afriezeque tropicz usque ad Madagascariam incole. DC. Prod. v. 561. 
Genus ab affini JVedelia floribus radii neutris distinguitur, ab Oyedea achzeniis exalatis, a Viguiera 
pappo et foliis omnibus oppositis. Squamse ad basin achzniorum observatz apud Sch. Bip. nimii 
valoris existimatze, oceurrunt hinc inde in Zeanenia. Oyedea aliisque affinibus, nunc majuseule nune 
obscure, et rarius jam in ovario sub anthesi conspieum. Habitus generis szpe omnino Wedelie. 
Species typica Madagaseariensis procumbens videtur, sed characteres omnino specierum Afrieanarum. 
Coronocarpi wuctorum. Hoe plereque B/ainvillee habitu approximantur capitulis parvulis sepe 
it ilibus ligulisque parvis, sed floribus radii neutris diverse, et Bentham errore species 2 Nigri- 
tanas in Kl. Nigr. pro B/ainvillea Gayana et B, Prieuriana, DC. sumpsit. In Coronocarpo heli- 
antloide, Schum. et. Thonn. (excl. syn. Beauy. et Pers.) ligule: numerose longiuscule flavz; in C, 
Kotschyano, Sch. Bip., late sunt et ex sicco purpurec videntur. : 
Species Americans, pro maxima parte Brasilienses cum paucis Mexicanis, in series 3 distribui 
possunt. ; 
l. Herbs parce ramosze v. simplices capitulis majuseulis; involueri latiusenli bracteze 2-seriatze, 
exterioribus foliaceis interiores superantibus ; pappi aristz squamellas parum superantes. Species 
omnes Brasilienses. AxowosrEPHIUM, DC. Prod. v. 560 (excl. A. bupthalmoide). Xue pertinent 
Leighia silphioides, Hook. et Arn., Viguiera. hirsuta, V. elegans, et V. glabra, Gardn., Walp. Ann. 
ii. 860, 861. : T 
2. Herb: ramosee, polycephale, capitulis minoribus ; involucri angusti bractez 2-seriate, exte- 
rioribus paucis foliaeeis interiores subsuperantibus; pappi aristze squamellas parum superantes v. 
longiores tenuioresque. Huc referrimus species 3 Brasilienses nonnullis ex Africanis subsimiles. 
Wirtgenia mexicana, Sch. Bip. in Seem. Bot. Her. 304, et Wedelia strigosa, Hook. et Arn., sunt 
Aspilie inter ser. 1 et 2 ambigue, c» SIUS : 
3. Herbs ramoss, polycephale; involucri bractez Sub-3-seriatee, basi eoriaeem subappressee, 
apice herbacez, exterioribus brevioribus ; pappi aristz rigidze, squamellis multo longiores et cum iis 
persistentes, Huc pertinent species oo Bràsilienses inelusis Viguieris a Gard ad seeti : 
Leigham relatis. | Walp. Aun. ii. 862, 
In Anomostephio folioso, Gardn., Walp. Ann. ii. 856, foliis fere Viguiere linearis insigni, involu- 
crum fere seriei tertii, pappus seriei primi. 
HanezPnona, End. Gen. Pl. Suppl. i. 1382, genus ad plantam quamdam in horto Societatis Hor- 
tieulturalis Vindobonensis eduetam confectum, patria data falsa, eujus specimen nullum servatum 
6st, est verisimiliter 4spilie species. 
394. Xipoeheeta, DC. Prod. v. 610, quoad sp. Sandwicenses. (Microchzta, Nutt. in 
Trans. Amer. Phil. Soc. ser. 2, vii. 450.)— Capitula heterogama, radiata, floribus radii 
. 9 lLseriatis discique ( fertilibus, Involuerum late campanulatum v. hemisphrericum, 
. &tepius breve, bracteis sub-2-seriatis parum inzqualibus rigide herbaeeis v. basi coriaceis. 
"Receptaculum planum v. leviter convexum, paleis rigidulis complicatis y. demum cucul- 
latis llores amplectentibus v. achzenia includentibus onustum. Corollee 9 ligulatze, patentes 
integrs v. vix 2-3-dentatm; 5 regulares, tubulosz, limbo anguste campanulato apice 
D-fido. Antherze auriculis minutis ssepe mucronulatis sagittatz.  Stylifl. P rami lineares, 
apice obtusi v. appendicibus brevibus acutis terminati. Achsnia obovata v. oblonga, 
crassiuscula, angulis 2-4 (radii ssepius 3 disci 2) acutis v. anguste alatis rarius obtusis 
tuberculatisve, apice obtusa. Pappi aristz ad angulos inzquales, nunc brevissimze, squa- 
mellis intermediis setulisve co v. 0, v. ach;nia omnino calva.— Herb: suffruticesve v. 
rarius frutices, strigosi sericeo-canescentes v. Scabro-pubescentes. Folia. opposita, integra 
dentata lobata v. semel bis terve pinnatisecta. Capitula mediocria v. parvula, longiuscule 
pedunculata, rarius subcorymbosa. Corollwe flavze. 
Species 11, quarum 10 ins. Sandvicensium 1 ins. Galapagoum incole. Walp, Bep.ii.619.. 4. Gray 
in Proc. Amer. Acad. v. 199. : 
Genus ab A. Grayio l. c. accurate ilustratum, involuero Melanthere, achzniis Zermenie, pappo 
Wedelie arcte approximatur ; quoad folia nunc tenuia multisecta Bidentidis, nunc scaberrima sub- 
