LÉGUMINEUSES - PAPILIONACÉES. 371 
XI TOUNATEÆ. 
289. Tounatea Aug. — Flores hermaphroditi v. raro polygami ; 
receptaculo minuto convexo v. concaviusculo discifero. Calyx ante 
anthesin integer, globosus v. obovoideus, per anthesin varie ruptus, hince 
apertus cyathiformis, inæquali-dentatus, basi cireumcissus (Cyatho- 
stegia), inde reflexus, mæquali 2, 3-valvis (Trischidium), sæpe coriaceus 
v. submembranaceus, irregulariter 4-valvis (Æutounatea, Possira), nune 
herbaceus subreflexus, inæquali-lobatus (Fistuloides). Petala 0, v. sæpius 
1, vexillare latum corrugatum, v. rarius 5; lateralibus 2 minimis. Sta- 
mina ©, subhypogyna hypogynave, libera v. basi breviter connata ; 
antheris 1-formibus linearibus (Trischidium, Cyathostegia), v. ovatis 
subglobosisve (£utounatea), x. anterioribus paucis pluribusve longioribus 
crassioribusque (Fistuloides , Possira) ; filamentis pariter longioribus. 
Carpella 1, v. rarius 2. Germen stipitatum, sæpius incurvum ; ovulis æ ; 
stylo attenuato ; stigmate terminali minuto v. capitato. Legumen 
ovoideum elongatumve , subteres longum (Fistuloides) v. turgidum, 
Coriaceum carnosumve, raro lacunis gummosis repleto, indehiscens 
V. 2-valve. Semina arillata v. exarillata, albuminosa v. exalbuminosa ; 
embryonis carnosi radicula brevi inflexa. — Arbores inermes; foliis 
alternis imparipinnatis v. 4-foliolatis ; stipulis minutis v. rarius foliaceis ; 
floribus solitariis pedunculatis axillaribus, lateralibusve, v. plerumque in 
racemos ad nodos vetustos solitarios v. fasciculatos, raro axillares v. in 
ramulis aphyllis ramosos, dispositis ; bracteis bracteolisque parvis, sæpius 
Caducis. (America trop., Africa trop.) — Vid. p. 233. 
290. Aldina Expr.! — Flores subregulares; receptaculo obconico- 
turbinato, intus crasse discifero. Calyx gamophyllus, in alabastro integer, 
per anthesin valvatim inæquali-partitus. Petala 5, 6, subæqualia, erecta, 
varie imbricata ; summo plerumque extimo, cæteris sæpe paulo latiore. 
Stamina æ , valde perigyna; filamentis liberis; antheris 1-formibus, 
liveari-acuminatis versatilibus, 2-rimosis. Germen centrale stipitatum ; 
Ovulis ©, sæpius paucis; stylo brevi subulato incurvo, apice minute 
stigmatoso. Legumen subdrupaceum crassum, 1-spermum. — Arbores 
altæ inermes ; foliis imparipinpatis v. 1-foliolatis ; stipulis minutis +. 0 ; 
1. Gen., n. 6845. — B. H, Gen., 560, n. 293. — Alania Bent, in Hook. Journ., 
Il, 91 (nec ENDL..). 
