Acantholimon. PLUMaAGiNE.E. 



ACVNTIIOLniON (Bois . Diafln. Ser. I, 7, p. 69). 



Calyx infiindibuliformis lubo tenui, limbo scarioso quinquoncrvi 

 5-10-lobo. Petala (luinque ima basi annulatim connata loiige unguicu- 

 lata. Filamenla (|uinque libera glabra. Ovarium cylindrico-lineare in 

 stylos attenualum quinos glabros basi cohiBrenles. Stigmala capilalo- 

 (iepressa. Utriculus crustaceo-membranaceus in(iehiscens vel ad 

 angulos iissilis — Suffrutices erinacei foliis acerosis vel spinosis, 

 floribus in spiculas uiii vei 2-o-i1o''as tri vel 4-5-bracteatas varie dispo- 

 sitas confertis, rachide fragilliniu. — Genus ex structura consimili et 

 ideo cliaracteriim graviorum delicientia hand facile coordinandum, 

 variabilis iiorum in unaquaquc spicula numerus, variabilis quoque 

 intra ccrtos limites inflorescentia ,^,i.2 ceterum ex nimiaejiis partium 

 semper articulatarum fragilitate in speciminibus siccis jion semper rite 

 initelligi potest. Characteres primarios minus fugaccs cuin amic. a 

 Bunge cx ncrvis calycis facic intcriore glabris vel hirtis et cum cl. 

 Spach et Bunge ex foliorum slructura deprompsi; ea nem()e vel ver- 

 mlUi vere jam evoluta ad partem inferiorem rami hornotini in rosulam 

 saepius contracti obvia, alia ccstivalia serius evoluta in rosiila superiora 

 et iriteriora sunt; in specierum majore numero subconforrnia sed iii 

 sectione Trngacanthind heteromorpha. Confer de Acaatholimone 

 accuratissimam monographiam cl. et am. a Bunge Petrop. 1872 quam 

 pauci^ mulatis secutus sum. 



Specierwn Orientalium distrihutio. 



Series I. — Calycini limbi nervi facie superiori (interna) villcsi. 



Sect. I. Cymaria Bunge. — Inflorescentia dichotome cymosa spiculis 

 2-3-floris dense et brevissime spicatis. — Folia fustivalia 

 triquetra spinescentia margine Uevia. 



A. cytnosum. 



Sect. IJ. Ptfrostcgta Bunge. — Inflorescenlia capitulis 1-2 parvis 

 con^- ., ;erminalibus constans, spiculae 2-3-flor{c. Folia 

 omnia margine scabrida. 



A. ptcrostegium. 



Series II. — Calycini limbi nervi facle superiori (interna) glaliri. 



Subseries I. — Folia homomorpha nempe vernalia jestivalibus siinilia 

 quamvis breviora, omnia persistentia acerosa et marjjane acuto 

 scabrida. Gonfer A. diapensioides. 



