BioUs. coMi^osiT^. 253 



Tu. Vll. ANTllEMIDEyE Gass. 



Capitula iieterugair.a vt'l rarius Iioinogama. Involucri pliylla pluri- 

 seriata. AntheriE ecaudatfE. Styli raiiii apice truncati. Pappus coroni- 

 furniis rarius paleaceus, nunquam selosus, interduin nullus. 



Slhtr. I. EUANTIIEAIIDE/Ii u.c. Prodr. VI, p. I. — Receptacu- 

 lum paleaceum. 



DIOTIS (Desl* All. li, p. 261). 



Capiluluni multifloruin discoideum. Fiosculi omiies hermaphroditi 

 tuhulosi quinquedentati tubo cumpresso-triquetro basi biauriculata 

 loiige produclodemuin iiicrassato fungusu acheiiii parlem superijrem 

 iiicludente Aeheniuin olilongum 3-4-goiiuni basi allenuatuin apice 

 auriculis tubi corollini adiiatum. Involucrum imbricatum. Receplacu- 

 Jum paleatum. — Herba perennis candidissima. 



i. D. maritima (L. Sp. sub Santolhui et Athanasid) dense 

 pannosa caudidissima,caulibus e rhizomate sulTrulicoso pluribus erec- 

 tis et ascendenlibus crassis ilexuosis crebre foliosis siniplicibus vel 

 parce ramosis, Ibliis a basi semiamplexicauli ovatis vel oblongis obtusis 

 integris vel crenulalis palulis tandem rellexis, capitulis globusis bre- 

 viter pedunculatis cunfertis composite corymbosis, iiivolucri tomentosi 

 phyllis concavis ovatis obtusis, receptaculi convexi paleis oblongis 

 oblusiusculis supcrne hirtis d. Ic. Fl. Gr. tab. 850. — D. marltinia 

 Sm. Eiigl. FJ. lil, p. 403. — D, candidissiina Desf. Atl. II, p. -261. — 

 Otanthns ntaritinms lAnk et iloffni. Fl. Port. 



Hah. in arenis m;»rilimi>; Pelopontiesi (Giltardlj, Attic:e (Sprun! Helir!), 

 Archipelagi fSiblh), Macedonice (l^riv!), Bj'zantii iDupaniuetl), Cretye (Sieb! 

 Heldr!), Rhodi (Bourg!), Syrice littoralis ad Tripolin et Berythuni (Bois-:! Bl! 

 Oailllj, Palestinye ad Gaza (Auchl), .Egypli ad Alexandriam (Del , Saniarl). 



Ar. Geogr. Insuia) Canarienses, Anglia, Gallia occid., regio mediterrauea 

 totius Europte et Africie boreahs. 



Ar.HlLtEA (L. Gen. 646) — Achillca et Ptarmica d.c. Prodr. 

 — Arthrolepis Boiss. Diagn. Ser. I, \i, p. 14. 



Capitulum mulliflorum radialum rarissime discoideum flt.sculis 

 marginalibus femiiieis uniserialibus ligulatis, cteteris Jiermaphroditis 

 (juinquedentatis tubo saipius plus minus compresso et plus mlnusve 

 basi circa achenii apicem producto. Involucrum imbricalum. Hecep- 

 taculum paleaceum. Achenium compressum basi atlenualum apice 

 ialius, nudum. — lierbifi perennes vei suffrutices capitulis albis vei 



