816 IRIDEAE. 



12-26. IRIS JAim. 

 (Spacli, Aiin. sc. natur. [3. Ser.] V. 89 III. — «. Dietr. Synops. pl. I. 14'2 ) 



!'cnanthiiim regiilare decidimm breviiis vel iongius tubtilosiim , lu- 

 bus ore ampliatus, limbus sexpartitus, sepaia uufjuiculata, post anthesiii 

 involuta vel spiralitcr contorta, 3 extcrna (internis pleruni(|iie majora) 

 aut ab ima basi patentia vel reilexa, aut inferne erecta vel ol)lif|ne hori- 

 zontalia, superne deHexa, 3 interna erecta ac conniventia (specierum 

 paurariim erecto-patentia vel patentia vel dettexa), externis dissimilia. Sta- 

 mina3, libera, perianthii fauci inserta, sepalis externis anteposita, stig- 

 matum dorso incumbentia. Filamenta crassa, Antherae lineares vel 

 oblongae, biloculares, basi affixae , extrorsae , plerumcpie tam basi quam 

 apice emarginatae. Ovarlum 3- vel 6-gonum , aut 3- vel 6 edrum, in- 

 ferum triloculare, loculis multiovulatis, ovula biserialia horizontalia, Sty- 

 lus magis minusve elongatus , filiformis vel columnaris , rectus trigonus, 

 longitudine tubi perianthii (cui in speciebus pluribus adnatus), apiceam- 

 pliatus. Stigmata tria staminibus opposita, liguliformia vel spathulata 

 magna dilatata petaloidea arcuata, magis minusve deflexa, segmentis 

 perianthii externis incumbentia (saltem apice), snpra convexa subcari- 

 nata, subtus concava , singula appendicibus (c?/.y//,s') 2 collateralibus ar- 

 rectis petaloideis coronata, subtus juxta apicem lamillula transversa pa- 

 pillulosa (genuina parte stigmatica) instructa. Capsula trigona vel hex- 

 aedra, coriacea vel chartacea trilocularis, loculicide trivalvis (speciebus 

 paucis indehiscens), polysperma. Semina sphaeroidea vel ovoidea vel 

 complanata vel compressione mntua irregulariter angulosa, integumento 

 laxo vel nucleo adhaerente, laevigato vel transverse ruguloso aut plicato, 

 in specie unica succulento. — Plantae perennes : radice rhizomatosa vel 

 bulbosa vel tuberculosa. Caulis simplex vel ramosus nodulosus articu- 

 latus erectus foliosus (saltem juxta basin), subteres vel angulosus vel 

 anceps, raro ad scapum hypogaeum reductus. Folia ensata vel navicu- 

 laria vel tetragona acuminulata vel cuspidata, integerrima striata disti- 

 cha carnosula, dilatata basi vaginantia, caulina inferiora simul ac turio- 

 nalia conferta , basibus equitantia, caulina superiora saepissime ahbre- 

 viata et spathacea, Spathae terminales vel axillares terminalesque, 1—7- 

 florae herbaceae vel scariosae solitariae, bivalves dum uniflorae, tri- vel 

 plurivalves dum bi- vel pluriflorae, saepissime marcescentes , valvis na- 

 vicularibus carinatis , magis minusve anisometris, ^'■loratio centrifuga. 

 Plores solitarii vel gemini vel fasciculati, breviter vel longius pedunculati 

 erecti magni, plerumque odori. Pedunculi exarticulati et saepissime rccti. 



Genus Moraea vix satis ab Iride differt, nisi etiam istius subgenera 

 pro tot distinctis generibus sumere velis, 



Subgenus I. HERMODACTVLUS (Touni.) Sweet. — Spach. 1. c. 90. 

 Radix e tuberculis 2 vel 3 elongatis radicantibus exarticulatis nudis 

 constans. Caulis teres uniflorus, fere aphyllus. Folia elongata angusta 

 tetragona carnosa, apice subulata. Spatha (interdum univalvis) herba- 

 cea. Sepala imberbia, externa inferne erecta, superne deflexa, interna 

 minima, concava cuspidata erecta. Semina carunculata subglobosa , in- 

 tegumento crustaceo adhaerente. 

 • I. I. LONGIFOLIA Svveet (sub Hermodacttjlo), Brif. Flow. Gard. (Ser. 2.) tab. 146. — 



Sjiach. I. c. 91. — Crescit in Italia australiore. 

 ♦2. I. TUBEROSA Sibth. & Smith , Flor. Graec. 1. tab. 41. — Redout. Lil. tab. 48. — 



Delaun. Herbar. de rAmat. Vol. I. (An et Linnaei?) — Spach. I. c. — Hermodaclij- 



lus repens Sweet. — Crescit in Europa australiore. 

 •3. l. BISPATHACEA Svveet. 1. c. (sub HermodactyloJ . — Spach. I. c. — f. ttiberosu 



Curt. — Cre.scit ? 



