- 888 z LXXXVIII COMPOSITJE. [Cichoriacec. 
AcnRosERIS, Sch. Bip. in Nov. Act. Nat. Cur. xxi. 165, Walp. Rep. vi. 346. est S. imaerosperma, 
TTurez., quam Schultz Bip. distinxit receptaculo paleaceo, non tamen ex observationibus propriis, nam 
ipso fatente receptaculum non vidit, sed quia C. A. Meyer plantam in litteris olim in Piptopogone 
eolloeavit. De paleis silent Turezaninow Ledebour et De Candolle. 
Sect. Polyclada, DC. Caulibus r issimis j lsve, foliis minimis remotis v. perpaucis elongatis 
et capitulis parvis ab Euscorzonera parum differt. 
Seet. Pterachunia, includit species 2 adhue ineditas ex Affzhanistania et Beloochistania annuas, 
achzniis brevibus glabris, costis prominentibus levibusque quarum 2 v. 3 in alas crassiusculas 
dilatatz sunt. 
Gzrasla, Cass. in Bull. Philom. 1818, Dict. xviii. 285 (errore GarasrA, Less. Syn. Comp. 134), 
species continet plures, pappi setis scepius copiosis serrulatis parce tantum plumosis v. plumis 
-deciduis, et LasiosPORA, Cass. Dict. xxv. 306, Walp. FHp. vi. 846 (LasroseegMUM, Fisch. Cat. Hort. 
Gorenk. non Lag.) species sat numerosas achsniis villosis. Sectiones tamen haud naturales con- 
Stituunt, nam species cceterum simillimas separant e. g. S. (Gelasiam) cineream, Boiss., et. S. ancyri- : 
tanam, DC., a S. (Lasiospora) latifolia, DC., et S. lasiospora, Boiss.; denique S. (Lasiosporam) hir- 
suam, Linn., et S. eriospermam, Bieb., a S. (Euscorzonera) angustifolia, Linn. : 
PopospznwuM, DC. Fl. Fr. iv. 61, Prod. vii. 110, Walp. Rep. ii. 688, vi. 345, Ann. ii. 959, v. 319, 
Boiss. Diagn. ser. 2, iii. 92, v. 115, distinguitur foliis plus minus pinnatifidis et achszeniorum appen- 
dice basilam stipitiformi magis producta; characteres tamen inter se non semper congruunt et 
achzniorum basis cirea stipitem verum centralem in omnibus Scorzoneris plus minus cava est. 
Genus igitur duce Boiss. Diagn. vii. 6, iterum ad Scorzoneraz revocamus, ubi sectionem format 
foliis saltem radicalibus remote dentatis pinnatifidisve. 
763. mpilasia, Dunge, Reliq. Lehm. 200 (Scorzoners, sect. v. gen. propr.).— Capitula 
homogama, liguliflora. Involucrum campanulatum v. ovoideum, bracteis paucis in- 
terioribus sub-2-seriatus parum  inzqualibus membranaceis v. tenuiter  herbaceis, 
exterioribus 3-6 foliaceis interiores ssepius superantibus erectis patentibusve.  Recepta- 
culum planum, nudum.  Corolle ligulatz, apice truncatze D-dentatz. ^ Anthers basi 
sagittate, auriculis acutis v. breviter setaceo-acuminatis. Styli rami tenues. Achrmnia 
oblonga, sub-teretia, co- (10-20-) costata, basi haud contracta, areola cava v. in appen- 
dicem cavam circa stipitem brevem producta, apice sub pappo leviter constricta, intra 
pappum umbonata v. breviter producta.  Pappus infra apicem v. in margine ipso 
achznii annulatum insertus, setis sub-2-seriatis densissime lanato-plumosis paucis lon- 
gioribus apice nudis.—Herbc humiles, annus, glabrze v. molliter canescentes; parce 
ramosw. Folia pleraque radicalia, integerrima. Capitula terminalia, peinnenl sspe 
incrassato cavoque.  Corolle flavze. ^ Achzenia glabra. 
Species 5 a Bungeo enumerats, Asi» medis et occidentalis incole, JWalp. Ann. v. 320; an nil 
nisi forms speciei unius polymorphe quzerit auctor. Nos specimina typica perpauca vidimus, 
plurima tamen e variis loeis Affrhanistaniv et Beelochistanie occurrunt in colleetionibus Griffithii 
et Stocksii, quze unitatem speciei confirmare videntur. i: 
764. "Tourneuxia, Coss. in, Ann. Sc. Nat. ser. 4, xviii. 211, t. 13.—Capitula homogama, 
liguliflora. Involucrum late campanulatum, bracteis pauciseriatis imbricatis lanceolatis 
membranaceo-herbaceis, intimis hyalinis, exterioribus gradatim brevioribus dorso tomen- 
tosis. Receptaculum planum, nudum.  Corolle ligulate, apice 5-dentate. ^ Antherce 
basi sagittatz, auriculis acutis v. breviter setaceo-acuminatis. Styli rami tenues. 
Achsnia obovata, a dorso plano-compressa, basi contracta, areola tamen lata truncata v. 
ad stipitem brevissimum emarginata, apice rotundata, margine crassiuscula alata, dorso 
levia, disco pappifero ad apicem faciei interioris obliquo. —Pappi setze copiosce, molliter 
intrieato-plumosze, demum stellato-patentes et faciei interiori achsnii applicitse—Herba 
annua, humilis, subacaulis, pilis intricatis lanata. Folia radicalia, linearia, integra v. 
remote dentata. Pedunculi scapiformes, 1-cephali, folia vix excedentes. Coroll» flavze. 
Achzenia glabra, z 
Species l, desertorum Algeriensium incola. Achznia matura, pappo quasi laterali, in Ordine 
insignia. 
* 
