Centaurea. composit^. 691 



minus pruinoso-papillaribus vel glabratis, radicalibus rosulatis in 

 segmenta stepe anguste plus niinusve lobata et undulata pinnaliseclis 

 vel lyratis, superioribus sessilibus linearibus dentatis, capitulis 

 mediocribus subglobosis breviter pedunculatis et sessilibus, involucri 

 glabri phyllis coriaceis enerviis anguste albo-membranaceis infra spi- 

 nam terminalem aibam teretem vel supra planam flosculis sesqui vel 

 duplo longiorem basi utrinque spinulis 2-3 suffultam contraclis, inti- 

 mis inermibus apice scariosis fissis, flosculis pallide flavis, acheniis 

 pappo eis {fiquilongo superatis 0. 



Hab. in Egypto prope Kahiram (Del.. Garuel!), ad Pyramides Gyzenses 

 (Schweinf! sub C calcitrapoider), Syria littorali prope Tortosam et Amrith 

 (Gailll). 



/3. brevicaulis. — Caulis brevissimus ex ipso collo capitulifer et 

 prolifer, involucri spinse crassiores et validiores. — C. brevlcaulis 

 Boiss. Diagn. Ser. I, 10, p. 120. — C. Calcitrapa v. brevicaulis d.c. 

 Prodr. 



Hab. in Egypto inferiore et media (Sieb! Auch. 3140! Boiss!). 



y. hyalolepis. — Planta elatior gracilior, involucri phylla latius 

 hyalino-marginata, spinulse ad basin spinse terminalis brevissimse vel 

 interdum nullae. — C. hyalokpis Boiss. Diagn. Ser. I, 6, p. 133. 



Hab. in cultis siccis Palestinae ad Gaza, S* Saba, Naplouse et in monte Car- 

 melo (Boiss!), ad Hierosolymam (Roth. 113!), Syria littorali (Bl! Gaill!). Anti- 

 libano et circa Damascum (Gaill !), in Mesopotamia, Assyria et Babylonia fre- 

 guens (Oliv!, Ky!, Noe!, Haussk!), Cypro (Ky. 548 !j. 



Ut C. Iberica valde polymorpha et ab ea et hujus formis colore florum et 

 pappo longiore discedens, formas qua^ inter eas species hybridse videntur e 

 Syria praesertim tamen accepi. 



175. C. araneosa (Boiss. Diagn. Ser. I, 11, p. 121) tota papil- 

 lis flexuosis crispis grisea,caule exima basi vel superius divaricatim 

 ramosissimo, foliis radicalibus in segmenta Ihiearia elongata iteruni 

 lobata pinnatipartitis vel sectis, superioribus a basi sessili auriculata 

 lanceolatis dentatis, capitulis subsessilibus majusculis solitariis foliis 

 summis bracteatis, involucro dense araneoso-lanato phyllis coriaceis 

 infimis in spinam simplicem cTquilongam vel breviorem abeuntibus 

 intermediis spina vahda canaliculata patenti flosculis aequilonga vel 

 longiore basi utrinque 3-4-spinulosa terminatis, internis inermibus 

 apice scariosis cucullatis, flosculis luteis, acheniis parvis abbreviatis, 

 pappi setis intermediis achcnio subfequilongis ®. C. calcitrapoides L. 

 Am. IV, p. 291 ex parte? 



Hab. in Palestina ad meridiem urbis Gaza et ad radices montis Carmeli in 

 arenosis maritimis, in Syri^ prope Trinoli loco Tell dicto (Bl!). 



Valde affinis C. pallescenti a qua difffvt indumento, capituhs araneosis, 

 acheniis abbreviatis. C. calcitrapoidcs L. plantas diversas amplectitnr, forsan 

 varietateni C Calcitrapoe foliis indivisis (C. macracaidham Guss.), dein for- 

 mas inter C Calcitrapam et aliam hybridas (quibus planta Gouani a Linneo 

 citata tribuenda), tandem probab.nostram ex cilatione Hassclquistii et vcrbis 

 « Calyces basi lanuginosi. » 



