524 LXXXVIII. COMPOSITJE. . [Cichoriacec. 
caulina integriora dentibus longiuscule cartilagineo-ciliatis marginata. Capitula inter 
folia sessilia. Corolle purpurascentes. Ach:enia glabra. : 
Species 1, provincie Utah Ameriese borealis incola. 
749. Chondrilla, Linn. Gen. n. 910, pro parte.—Capitula homogama, liguliflora. In- 
volucrum cylindraceum, bracteis interioribus 1-2-seriatis sequalibus planis carinatisve 
post anthesin immutatis, exterioribus co parvis ssepius brevissimis. Receptaculum 
planum, nudum.  Corollz ligulatz, apice truncatsz 5-dentats.  Antherz basi sagittato, 
auriculis acutis v. breviter setaceo-acuminatis. Styli rami tenues. Ach:enia oblonga v. 
angusta, subteretia, co-costata, basi leviter contracta, apice in rostrum nunc tenue nunc 
brevissimum producta, sub rostro plus minus murieata v. annulo dentato cincta, disco 
pappifero coronata.  Pappi setze co-seriatz, tenuissimce, sspe albz, persistentes v. 
sigillatim caducz.— Herb: perennes, plerzque glabrs v. basi hispidze, caulibus virgatis 
divaricato-ramosis v. junceis, in speciebus 2 tamen habitu alieno caules apice corymbosi. 
Folia radicalia szepius pinnatifida, caulina pauca parva v. rarius magis evoluta, integerrima 
v. infima paucidentata. Capitula terminalia v. pauca, secus ramos breviter peduneulata, 
rarius corymbosa.  Corolle flave. ^ Achzenia glabra. 
Species ad 15, Europw Asisque medic et occidentalis incole, DO. Prod. vii, 141. Walp. Rep. 
ii. 694; vi. 350 ; Ann. ii. 907, v. 324. Jacg. Fl. Austr. t. 497. Sibth. Fl. Gr. t. 1956. Ledeb. lo. 
Fl. Ross. t. 37, 177, 198. Reichb. Ic. Fl, Germ. t. 1400, 1401. : 
In C. latifolia, Rieh, C. juncea, Linn., C. ramosissima, Sibth., speciebus normalibus, et in C. pre- 
nanthoide, Cass., et, C. stipitata, Sch. Bip., habitu alieno, achzenia sub rostro tenui conspieue muricata ; 
in speciebus plurimis Rossieis a Ledebourio enumeratis, habitu normali, achzenia. ssepe lzeviora, rostro 
brevi nunc brevissimo v. in C. azibigua, Fisch et Mey, plane nullo. 
WirrEMETIA, Neck. Elem.1. 50; DO. Prod. vii. 180. (WiBELIA, Hochel; Carycoconsus, Schmidt, 
€t PEvTEDIUM, Zollikof. ex DO.; ZorrrkorERiA, Nees. im Bl. et Fingerh. Fl, Germ. ii. 305), est 
Hicraciwm. stipitatwn, Jacq. Fl. Austr. t. 293, seu. Crepis apargioides, Willd., a Schultzio Bip. in 
Linnza xv. 553, et Reichb. Ie. Fl. Germ. t. 1399, ad Chondrillam relata eujus characteres typicos 
ostendit, etsi habitus potius Zieracii a. Chondrillis veris longe alienus, sed cum iis mediante 4. pre- 
nanthoide (a. Grren, et Godr. Fl. Fr. ii. 315, Willemetie adjuncta) connectitur. 
750. Lactuea, Linn. Gem. m. 909.—Oapitula homogama, liguliflora. Involucrum 
cylindraceum, angustum v. rarius latiusculum, post anthesin basi squale v. parum 
ampliatum, bracteis pauciseriatis imbricatis membranaceo-herbaceis Scarioso-marginatis, 
fructiferis immutatis, intimis elongatis subzequalibus, exterioribus gradatim brevioribus 
w. paucis brevissimisque. ^Receptaeulum planum, nudum. ^ Corolle ligulats, apice 
truncabs5-dentatz. Antherce basi sagittatze, auriculis acutis v. breviter setaceo-acuminatis 
(rarius in eaudas laceras productis?) ^ Achrzenim ovalia oblonga v. angusta, plus minus 
compressa szpius plana, basi breviter contracta, apice in rostrum abrupte v. gradatim 
producta, faciebus 3--costatis, costis tenuibus v. elevatis lzvibus v. rarius transverse 
rugosis ; rostro apice in diseuin pappiferum integrum v. minute ciliato-denticulatum plus 
minus dilatato. Pappi setze copiosm, co-seriatz, tenuissimze, simplices, persistentes v. 
sigillatim caducze, —Herbze glabrz v. rarissime hispido-piloss, succo sspe lacteo. Folia 
radicalia v. alterna, integra grosse dentata v. pinnatifida, margine setoso-ciliolata v. 
nuda, caulina basi smpius auriculato-amplexicaulia.. Capitula varie panieulata, secus 
ramos sessilia v. pedunculata. Involucrum sspissime leve. .Corolle flavse v. ezrüles; 
Species edit: numerose, quarum ad 60 retinendz- videntur, Europe Asis Africae et Americoe 
borealis incolze, in aliis regionibus pauez hine inde inquiline. DC. Prod. vii. 133. Walp. Rep. 
i. 693, vi. 352 ; Ann. i. 461, 997, ii. 960, v. 324. Boiss. Diagn. ser. 2, iii. 96. Miq. in Ama. Mus. 
Lugd, Bat, ii, 189, : 
Genns qnoad species plerasque naturale, faeile distinetum et in sectiones naturales divisibile, non- 
nullz tamen observantur inter Lact et Sonchum. intermedis, alie paues sectiones arcte con- 
nectunt v. quoad characteres ambiguse examinatione ulteriore egent, Interea sectiones sequentes 
ab auctoribus nonnullis pro generibus propriis habitas sub Lactuca includimus. 
l. Brachyrhamphus, | Ynvol gusta smpius paueiflora, bracteis exterioribus. brevibus. 
