336 coMPOsiTiE. Chrysanthemum. 



Segt. II. PiNARDiA Gass. — Gkbionis Gass. — Centrospermum 

 Spr. — Achenia corona destituta. 



2. Ch. segetum (L. Sp. 1254) annuum glancescens glabrum, 

 caule crassiusculo simplici vel dichotome ramoso, foliis grossedenta- 

 tis infimis basi sensim attenualis apice latiori ssepe trifidis, cseleris 

 semiamplexicaulibus oblongis et lanceolatis, involucri phyllis pallidis 

 inaequalibus ovatis obtusis internis apice late scariosis, ligulis oblon- 

 gis, acheniis radii aequilongis ac latis triquetro-compressis costis 

 marginalibus latioribus, disci turbinatis aequaliter iO-costatis ©. Ic. 

 Gurt. Lond. 6, tab. 60. — Xanthophtalmum segetum Sch. Bip. Tan. 

 p. 17. 



Hab. in cultis Grsecise (Sibth.), Macedoniff', et Thraciae (Griseb.), Byzantii 

 (Cleml), Anatolia occid. (Bois.s I) et australi (Bourgli, Cypro (Kyl), Syriamari- 

 tima (Bll Gailll), Palestina (^Kyl), prov. Transcaucasicis (Nordm I),— Arabica 

 Wa7'd Asfar. 



Ar. Geogr. Europa media et australis a Scandinaviil ad Rossiam sept , Africa 

 horealis. 



3. Ch. coronarium (L. Sp. 4234) annuum glabrum, caule 

 erecto ramoso valde folioso, foliis inferioribus basi attenualis supe- 

 rioribus amplexicaulibus omnibus bipianatipartitis rachide lobato- 

 (lentata laciniis breviter lanceolatis acute dentatis, involucri phyllis 

 insequalibus ovato-oblongis obtusis internis apice late scariosis, ligu- 

 lis obovato-oblongis, acheniis striatis inter strias glandulosis radii 

 triquetris tripteris disci tetragono-compressis latere interno anguste 

 alatis O. Ic. Fl. Gr. tab. 877. — Pinardia coronaria Less. Syn. 255. 



Hab. inter segetes et in cultis Graeciae (Sibthl Heldrl), Zacynthi (Margl), 

 Archipelagi (Urvl), Rhodi (Auch. 32861), Cypri (Kyl), Lydi» ad Smyrnara 

 Kyl), Cariae (Pinardl), Lycise (Bourgl), Syrise littor. (Bll Gailll), Palestinse 

 (Boissl), ArabijE petre® in valle Raphidim (Schimp. 961), iEgypti ad Alexan- 

 driam (Gaiill), Graecise Tsitsimbola et Manialina. 



Ar. Geogr. Insulae Azoricae, Maderenses et Ganariensos, Lusitania, Hispania, 

 Corsica, Italia austraiis, Dalmatia. 



4. Ch. viscosum (Desf. Gat. Par. 1821) annuum viscoso- 

 puberulum, caule crassiusculo erecto apice corymboso oligocephalo 

 rarius simplici monocephalo, foliis inferioribus basi attenuatis oblon- 

 gis pinnatifidis lobis brevibus obtusis denticulatis, superioribus cor- 

 dato-amplexitaulibus oblongo-lanceolatis basi denticulatis, involucri 

 glabriusculi phyllis parum inaequalibus oblongis obtusis late scarioso- 

 margiuatis, ligulis oblongis elongatis, acheniis obsolete striatis radii 

 trigonis trialatis alis apice in dentem triangularem obliquum abeun- 

 tibus ventrali latiori, disci valde compressis latere interno in alam 

 apice spiiiosam dilatatis ©. Pinardia anisocephata Gass. — Centro- 

 spermum chrysanthemum Spr. 



