90 SPACH. — ItE VISIO GENER1S IRIS. 



natus), apice ampliatus. Stigmata 3, staminibus opposita , ligu- 

 liformia, v. spathulata, magna, dilatata, petaloidea, arcuata, 

 magis minusve deflexa, segmentis perianthii externis incumbentia 

 (saltem apice), supra convexa subcarinata, subtus concava, sin- 

 gula appendicibus (cristis) 2 collateralibus arrectis petaloideis 

 coronata, subtus juxta apicem lamillula transversa papillulosa 

 (genuina parte stigmatica) instructa. Capsula trigona v. hexae- 

 dra, coriacea, v. chartacea, 3-locularis, loculicido-trivalvis (spe- 

 ciebus paucis indehiscens), polysperma. Sejviina sphaeroidea, v. 

 ovoidea, v. complanata, v. compressione mutua irregulariter 

 angulosa; integumento laxo v. nucleo adhserente, kevigato, v. 

 transverse rugu oso autplicato, specie unica succulente-. — Plantai 

 perennes, radice rhizomatosa, v. bulbosa, v. tuberculosa. Caulis 

 simplex v. ramosus, nodulosus, articulatus, erectus, foliosus (sal- 

 tem juxta basin), subteres, v. angulosus, v. anceps, raro ad sca- 

 pum hypogaeum reductus. Foliaensata, v. navicularia, v. tetra- 

 gona, acuminulata, v. cuspidata, integerrima, striata, disticha, 

 carnulosa, 'dilatata basi vaginantia; caulina inferiora simul ac tu- 

 rionalia conferta, basibus equitantia ; caulina superiora saepissime 

 abbreviata et spathacea. Spathfe terminales v. axillares termina- 

 lesque , 1-7-florae, herbacea3 , v. scariosae , solitarise, 2-valves 

 dum 1-florae, 3-v. pluri-valves dnm 2-v. pluri-florae , saepissime 

 marcescentes ; valvis navicularibus, carinatis, plus minusve ani- 

 sometris. Floratio centrifuga. Flores solitarii , v. gemini, v. fasci- 

 culati, brève v. longe pedunculati , erecti, magni, plerumque 

 odori. Pedunculi exarticulati et sa3pissime recti. 



Genus Morœa vix satis ab Iride differt , nisi etiam istius sub- 

 genera pro tôt distinctis generibus sumere velis. 



Subgenus I. — HERMODACTYLUS (Tourn.), Sweet. 



Radix e tuberculis 2 v. 3 elongatis radicantibus exarticulatis 

 midis constans. Caulis teres, 1-florus, fere aphyllus. Folia 

 elongata, angusta, tetragona, carnosa, apice subulata. Spatha 

 (interdum \ -valvis) berbacea. Sepala imberbio ; externa in- 

 ferne erecta, superne deflexa ; interna minima, concava , eus- 



