Helianthoidea.] LXXXVIII. COMPOSITAE. 979 
nunc ad marginem ciliatum reductis v. plane nullis.—Herbs habitu fere Wyethic, 
caulibus erectis simplicibus l-cephalis v. vix ramosis. Folia inferiora ssepius opposita, 
superiora alterna, omnia integerrima. Capitula magna, longe peduneulata. Corolle . 
flavs. — Achrenia glabra. 
Species 6, Americze borealis incole. Walp. Rep.ii. 980; vi. 166. Torr. Bot. Whipple Exped. 4T. 
A. Gray in Proc. Acad. Philad. 1863, 65. — Eaton in Bot. U. S. Fort. Parall. 170. 
406. Actinomeris, Nuit. Gen. Pl. N. Amer. ii. 181. (Ridan, Adams. Fam. ii. 130. 
Pterophyton, Cass. in Bull. Philom. 1818 ; Dict. xliv. 48.)—Capitula heterogama, radiata, 
floribus radii neutris l-seriatis, disci t fertilibus v. rarius radio deficiente homogama. 
Involuerum hemisphsricum v. campanulatum, bracteis 2-3-seriatis parum inzqualibus 
herbaceis brevibus v. exterioribus elongatis foliaceis. Receptaculum convexum v. 
demum conicum, paleis complicatis flores i? amplectentibus onustum.  Corolle radii 
ligulatz, lamina ssepius elongata patente integra v. vix 2-3-dentata; : regulares, tubo 
. brevi, limbo elongato cylindraceo apice breviter D-fido. .Anthers basi integre, Styli . 
fl. D rami appendicibus.acutis terminati. Ach:enia a latere compressa, marginibus atte- 
nuatis distincteque alatis. Pappi aristc 2, persistentes, nunc longiusculze rigidzeque, nunc 
minim:ze.—Herb:e perennes, szpe elatze, scabrs. Folia nune inferiora v. omnia opposita, 
nunc superiora v. omnia alterna, petiolata sessilia v. secus caulem decurrentia. Capi- 
tula mediocria v. majuscula, longe peduneulata solitariaque v. minora corymboso- 
paniculata.  Corolle flavsee. ^ Achsenia glabra. 
Species ad 9, Amerieze borealis Mexico inclusa incole. DC. Prod. v. 575; vii. 290. Walp. Hep. 
li. 982; 4na.ii. 858; v. 222. Jacq. Hort. Vind. t. 110 (Coreopsis). — Cav. Ic. t. 260, 280 ( Coreopsis). 
' Genus tam habitu quam characteribus V'erbesine valde affine, differt ligulis dum adsint semper 
astylis sterilibusque. In 4. Wrightii, A. Gr., pappi aristz: rudimentariw sunt v. plane nulle ; in 4. 
mudicauli, Nutt., acheeniorum al: angustissime v. hine inde evanids ; E in A4. alba ligulz desunt, sed 
affinitas evidenter potius Actinomeridis quam Verbesine. 
407. Werbesina, Linn. Gen. n. 975, ex parte. —Capitula heterogama, radiata, floribus 
radii 9 l-seriatis v. rarius sub-2-seriatis discique €? fertilibus, v. rarius radio deficiente 
homogama. Involucrum breviter campanulatum v. hemisphszricum, bracteis pauci- 
seriatis oblongis v. linearibus, exterioribus brevioribus siccis v. subherbaceis, rarius 
elongatis foliaceisque. Receptaculum convexum v. conicum, paleis complicatis con- 
cavisve flores  amplectentibus onustum.  Corolle 9 ligulate, patentes, integrm v. 
2-8-dentatw ; regulares, tubo brevi, limbo elongato cylindraceo apice breviter 5-fido. 
Anther: basi obtus:e integree. Styli fl. D rami appendicibus elongatis brevibusve acutis 
papillosis hirtisve terminati. Achcenia compressa, marginibus alatis. Pappiaristze 2, nunc 
caducissim:e, nunc persistentes, rigidze v. tenues.—Héerbse suffrutices v. rarius frutices, 
pubescentes tomentosi v. villosi. Folia opposita v. superiora v. omnia alterna, petiolata 
sessilia v. decurrentia, dentata lobata v. rarius integerrima, Capitula parva v. mediocria 
corymbosa, v. majora ad apices ramorum solitaria longeque pedunculata, post anthesin 
ssepius ovoidea v. globosa, floribus interioribus magis prominentibus.  Corollee flavze v. 
radii (rarius omnes?) albz.  Ach:enia glabra v. pilosa, alis marginalibus sepius latis 
subcartilagineis, nunc angustis longeque DUANE inter alas lxvia v. costis 1-3 elevatis. 
instructa (rarius verruculosa ?). 
Species ad 50, Amerieze ealidioris a E usque ad Virginiam Mexieumque ineol:e, speciebus 
perpaucis nune in orbe vetere inquilinis. DC. Prod. v. 6012.  Walp. Hep. ii. 620; vi. 170 ; Ann. i. 
415; 1.807; v. 227. Cav. 1c. 0. 100, 214 et 275. Jacq. Ic. Rar. i. t. 176. Hort. Schenbr. ii, t. 
805. Humb.et Bonpl. Pl, ZEquin. t. 111 (Pallasia). Colla, Hort. Ripul. t. 31. Karst. Fl. Columb. 
ii. £. 135. 
HAMULIUM, Cass. Dict. xx. 260 (AxcisrnoPHoRA, 4. Gray in Mem. Amer. Acad. ser. 2. vi. 457) 
distinguitur ligulis parvis sub-2-seriatis, achzeniorum arista altera elongata hamata, altera breviore 
recta. Genus, a DC. ad sectionem Verbesine reduetum, species 2 continet insularum Indis occiden- 
talis incolas. DC. l. c. Bot. Mag. t. 1716. 4. Gr. l.c. AnssiNA, Neck, Elem. i. 33, à Cassinio dubi- 
"tanter ad Zaulium refertur; eharaeter Neekeri haud sufficit, 
