— 293 — 



ciso-dentutii. Fructus oblougus^ aculeis rectiusculis hamatis riudique 

 iiiuricatus, desinens in rostra 3 recta deinde iucurvato-conniventia, 

 8eniiua oniniuo inclusa, nigricautia. 



53. DIPSACEAE. 



Calyx duplex; uterque persistens ; exterior monophyl- 

 luSj turbinatus^ margine integro v. dentato scariosoj inte- 

 rior ovario arcte adnatus, uUra coarctalus, limbo integro 

 V. dentato saepius cyalbiformi (Pappo cyathiformi Auct.)' 

 Corolla monopetala^ tubulosa, calycis fauci inserta^ deci- 

 dua; limbo 4— 5-fido inaequali. Stamina 4 , corollae tubo 

 inserta. Ovarium inferum, uniloculare, uniovulatum. Sty- 

 lus stigmate simplici. F^uctus calyce duplici tectus, co- 

 ronatus, nucamenlaceus, indehiscens, mono.spermus. Semen 

 inversum, albuminosum. Embryo rectus; radicula supera. 

 Herbae perennes i\ biennes. Folia opposita. , petiolata v. 

 sessilia et saepius connato-perfoliata, integra v. plerumque 

 pinnatifida. Stipulae nullae. Flores in capitula (^calyce 

 communi) involucrata densissime uggregati, sessiles. Re- 

 eeptaculum commune conicum v. hemisphaericum, palea- 

 ceum V. hirsutum. 



DISPOSITIO GENERUM. 



Scabiosa. Calyx duplex, ex- Uipsacus. Calyx duplex, ex- 

 terior perspicue linibatus. terior coronula obsolete crenata 



V dentata terminatus. 



SCABIOSA h. 



InvoUicrum polyphyllum. Receptacu!um hirsutum v. 

 paleaceum. Calyx duplex ; exterior (involucellum aut.) in- 

 teriorem includen.s^ fauce constrictuSj limbo dentato v. co- 

 roniformi scarioso-hyalinoj interior ovarium arcte inve- 

 stiens, limbo inciso-dentato. Herbae erectae, inermes, Fol. 

 integra v. pinnatisecta. Capitula globosa v. semiglobosa. 

 Flor. saepe coerulei, marginales interdum radiantes. 



Sect. I. Knautia Coult. Trichera Schrad. Rece- 

 ptaculum hirsutum. Cal. exterioris lim- 

 b u s d c n t a t u s. 



