Pfliiiizeiigeographie und i'flaiiiengeschiclite erscliienenen Arbeiten. 1 23 



24. Lobi calycini nervis validis rufeseentibus limbum caeterum ± perdurantibus 

 atque indurantibus percursi iö 



Lobi calycini nervi haiid indurantes il 



25. Calycis tubus spinis 5 apice hamatis (i. e. nervis caetero limbo cito emarcido 

 persistentibus valde induratisi patulis terminatus (spiculae graciles longiuscule 

 cylindraceae, curvulae, inter se valde dissitae; herba tenella annua, St. echioides L. 



Limbus calycinus minus fugax, nervique calycini minus rigidi nee ita 

 manifeste hamati ; spiculae breviores; herbae perennes 26 



26. Limbi calycini nervi usque ad apicem loborum producti, apice uncinato-inflexi; 

 bractea infima suprema 3-plo brcvior : St. Companyonis Gren. 



Limbi calycini nervi paulo ante apicem loborum evanidi apice recti — 

 haud uncinatuli; bractea infima suprema 5-plo brevior . . . St. duriuscula Girard. 



27. Bracteae superiores aculae vel mucronulatae (folia margine revolula) .... 2S 



Bracteae superiores oblusissimae 30 



28. Paniculae ranii gracillimi palenti-recurvi; folia majuscula obovalo-spathulata 



St. psiloclada Boiss. 



(St. panormifana Todaro.) 



Paniculae ranii slrictiusculi firmiores; folia parva 29 



29. Bractea suprema infima apice patula 3-plo longior; limbus calycinus tubum 

 aequans, lobis profundis lanceolatis acutis; folia oblongo-spathulafa apice 

 retusa vel emarginata St. minuta L. 



Bractea suprema infima adpressa 5-plo longior; limbus calycinus tubodimi- 

 dio brevior, lobis oblongis obtusis; folia anguslissima, lineari-oblonga, obtusa 

 vel acuta (scapi bumillimi, panicula depauperata divaricata!, St. rupicola Badarro. 



30. Folia amplissima penninervia; herba tota molliter velutina, bracteae fere om- 

 nino albo-hyalinae ; panicula ampla dissitiflora St. latifolia L. 



Folia palminervia parva; indumentum nulluni ; bracteae magis herbaceae 31 

 3t. Bractea suprema infima 5-plo longior spiculae in paniculae diffusae ramis ra- 



mulisque gracillimis arcuato-excurvis manifeste dissitae!) . . St. salsuginosa Boiss. 

 Bracteae suprema infima 2 — 3-pio longior 32 



32. Spiculae valde inter se dissitae, rami simplices vel subsimplices pauciflori; 

 bractea suprema arcle involuta : spiculae cylindricae , graciles 33 



Spiculae {pleraequc saltem, ± imbricalini conferlae v. subconferlae ... 34 



33. Spiculae maximae, fere semipollicares; bracteae tenerae lafe membranaceae 

 (obtusissimae; folia carnosa cuneato-spathulata in petiolum longe attenuata 

 apice acute emarginata ; caudex fruticulosus lignescens) . . . St. emarginata \\"\\\(\. 



Spiculae multo minores; bracteae coriaceae anguste membranaceae 



St. Sieberi Boiss. 



34. Folia plana . 35 



Folia margine revoluta 4 



35. Bracteae amplae glumaceae valde coriaceae laxaeve, sursum dilatatae spiculas 

 sursum tumidas, inverse conicas vel subclavatas formantes, obscure membra- 

 naceo-marginatae; limbus calycinus abbreviatus 36 



Bracteae teneriores haud glumaceae 37 



36. Folia obovato-spathulata ; calycis tubus totus pilosus; spicae robustae, crassae 



St. ocymifoiia Poir. 

 Folia oblongo-spatliulata; calycis tubus basi tantum pilosus; spicae gra- 

 ciles; spiculae (antecedente) dimidio minores : St. corinthiaca B. e\ H. 



37. Spiculae brevissimae; limbus calycinus e bractea parum exsertus tubo brevior 



St. deUcatuIa Girard. 

 . Spiculae longiores; limbus calycinus tubo longior magis manifeste exsertus 38 



