528 LXXXVIII. COMPOSITAE. ; [Cichoriacec. 
Styli rami tenues. Achsnia (immatura) ovato-oblonga (compressa ?), co-costata, levia, 
basi vix contracta, apice sub diseo pappifero leviter constricta. "Pappi setze copioss, 
oc-serintz, tenues, simplices, insquales.—Herba perennis, parva, subacaulis, glabra, 
radice crassa fusiformi. Folia subradicalia, crebra, rosulata, lanceolata v. linearia, 
integra v. sinuato-dentata. Capitula ratione plantze majuscula, solitaria v. plura inter 
folia subsessilia. —Corollee ut videtur flavze. ^ Achrenia glabra. 
Species 1, montium Abyssinim incola. Genus characteres (quantum ex achzeniisimmaturis deduci 
potest) ostendit fere Lactuee v, Sonchi, sed habitus Wernerie et capitula latiora, floribus numerosi- 
oribus quam in ullis Zacíucis. - 
755. Sonchus, Linn. Gen. n. 908.—Capitula homogama, ligulifiora.  Involucrum 
ovoideum v. campanulatum, demum ssepius basi incrassato-dilatatum v. conicum, 
bracteis oo-seriatis imbricatis herbaceo-membranaceis, exterioribus gradatim brevioribus, 
v. rarius involucrum eylindraceum bracteis exterioribus brevibus. ^ Receptaculum 
planum, nudum. ^ Coroll» ligulatz, apice truncatze D-dentatze. ^ Antherz basi sagittatz, 
auriculis breviter setaceo-acuminatis. Styli rami tenues. Acheznia ovalia oblonga v. 
angusta, plus minus compressa, 10-20-costata, basi apiceque parum contracta erostria. 
Pappi setze copiosse, co-seriatze, tenuissimze, simplices, seepius nivese basique in annulum 
cum iis deciduum subconnate.—Herbs annuz v. perennes, interdum basi frutescentes. 
Folia radicalia v. alterna, caulina sepe aurieulato-amplexicaulia, integra dentata pinna- 
tifida v. dissecta, marginibus interdum rigide ciliolatis subspinulosisve. Capitula medio- 
cria v, majuscula, ad apices ramorum irregulariter corymboso-paniculata v. subumbellata, 
rarius solitaria. Corolle flavse.  Achsnia glabra, costis levibus v. transverse rugosis. 
Species ad 24, Europe Ásic Africz et Australasiz incolsz, speciebus 2 y. 3 hodie in toto fere orbe 
terrarum inquilinis. DC, Prod.yi. 184. JWalp. Rep, ii. 690, vi. 359 ; Ann.1. 464, ii. 978, 111. 916, v. 323. 
Cav. 1c. t. 01. Jacq. Ic. Rar. (. 161. Jacq. f. Ecl. t. 19 (Prenanthes). .Deless. Ic, Sel. iv. 0.97. Sibth. 
Fl. Gr. i. 190. -Ledeb. 1c. Fl. Ross. t. 87. Wight le. t. 1141, 1142. Webb, Phytogr. Canar. 
i. 126 ad 1345, 136, 1365. .HooÁ. Ic. Pl. &. 160. Bot. Mag. t. 6211; Reichb, Ic. Fl. Germ. 
4.1409 ad 1414.  ' 
Genus involucro basi post anthesin incrassato et achzniis oo-seriatis erostribus pappoque Crepidi 
quodammodo accedit, sed achzenia compressa fere Lactucarum brevirostrium, ab his differt involucro, 
acheeniis apice nec rostratis nec in diseum pappiferum expansis, pappo sepius (an semper ?) annu- 
latim deciduo. In S. oleraceo, Linn., achzenia valde compressa faciebus 3—4-costatis, in S. arvensi, 
Linn. achzmis parum compressa subzqualiter 16-20-costata, in S. palustri, Linn., coste pariter 
numerosm, 4 y. 5 tamen plus minus inerassatz achsznium angulatum efficiunt; in ceteris Sonchis 
genuinis achznia inter has formas variant. 
ATArANTHUS, Don in Edinb. New Phil. Jowrn. 1828-29, 311, includit S, fruticosum, Linn.; Lher. 
Stirp.t. 81, speciesque paucas Canarienses caule basi plus minus frutescente, nec aliter a genero 
differunt. Tmacmopzs, Don in Traps. Linn. Soc. xvi. 182, species Mexicana, a mic non eed est 
verisimiliter ipse S. o/eraceus, Linn., in regno Mexicano nune frequens. 
AS. lactucoides, Sch. Bip, ex Abyssinia, insignis est capitulis angustis habituque fere Jano; 
sed achznia, etsi apiee attenuata, erostria sunt, nee. in diseum  expansa et pappus potius 
Sonchi. 
Crepis Nove-Zelandie, Hook. f. Handb. N, Zeal. Fl. 164 ; Laud, Linds. Contrib. N. Zeal. Bot. 
eum ic., ob achznia oyali-oblonga plano-compressa pappumque annulatim Beienentun melius pro 
Sonchi specie habitu peculiari habenda est. 
456, Mtierorhynehus, Less, Syn. Comp. 139. (Ammoseris, Endl..Gen.- venie 
tula homogama, liguliflora.  Involucrum | campanulatum : v: cylindraceum, — bracteis 
cc-seriatis imbricatis membranaceo-herbaceis ssepius scarioso-marginatis, interioribus 
subzequalibus fructiferis immutatis, exterioribus gradatim brevioribus v. rarius omnibus. 
brevibus. Receptaculum planum, nudum. Corolle ligulatze, apice truncatze 5-dentatee. - 
Antherz basi sagittatz, auriculis acutis v. breviter setaceo-acuminatis. Styli rami 
tenues. Achsenia angusta, subteretia, nec apice nec basi contracta, 4-D-costata, costis 
- prominulis latis sulcis e" separatis dorso obtusissimis levibus papillosisve v. rarius 
