SAPINDACÉES. | 127 
matoso simplict haud dilatato; loculis 4, alternipetalis ; ovulis in sin- 
gulis 2, collateraliter descendentibus, incomplete anatropis ; unicropyle 
extrorsum supera. Fructus capsularis membranaceus venosus, inflato- 
l-lobus, breviter 4-alatus, loculicide 4-valvis ; valvis septiferis. Semina 
in loculis 1, 2, subreniformia; testa coriacea corrugata ; embryonis 
exalbuminosi v. parce albuminosi cotyledonibus foliaceis oblongis; ra - 
dicula brevi recta supera. — Frutex rigide ramosus; foliis in ramulis 
abbreviatis alternis v. fasciculatis, simplicibus integris lineari-oblongis 
subcoriaceis, vix petiolatis exstipulaceis ; floribus axillaribus solitariis 
v. paucis peduneulatis. (Africa austr.) — Vid. p. 371. 
VII ACEREÆ,. 
73. Acer T. — Flores hermaphroditi-v. sæpius polygamo-diæci; 
calyce 4-12-, sæpius 5-partito v. fido, imbricato, plerumque deciduo. 
Petala totidem alterna, imbricata, v. 0. Stamina petalorum alternorum 
numero æqualia ; filamentis hberis varie plus minus imtus extusve disco 
annulari Jobato crasso v. tenui, nune obsoleto, insertis, filiformibus v. 
nunc capillaceis ; antheris introrsis, nunc linearibus, 2-rimosis. Germen 
centricum, 2-lobum, 2-loculare (v. rarius 3-merum), septo contrarie 
compressum (in flore masculo rudimentarium, effœtum v. 0); stylo 
inter lobos germinis inserto, e basi v. plus minus alte in ramos 2 (v. 3) 
lineares, intus et ad apicem longe stigmatosos, diviso. Ovula in loculis 2 
collateraliter v. subsuperposite adscendentia ; micropyle demum extror- 
sum infera; placenta circa hilum in processum latum (arilloideum) 
dilatato. Fructus samaræ 2 (rarius 3), divaricatæ, indehiscentes, extus 
superne in alas elongatas, oblique dilatatas, coriaceas v. membranaceas 
reticulato-nervosas, productæ. Semina adscendentia compressa; lesta 
membranacea, ad hilum arillata ; endopleura carnosa mucosave ; em 
bryonis conduplicati cotyledonibus tenuibus irregulari-plicalis; radicula 
longiuscula infera. — Arbores v. arbusculæ; succo aqueo, saccharato 
v. lacteo; foliis oppositis petiolatis exstipulatis, simplicibus, integris, 
palmatim v. subpedatim 3-7-lobis, nunc (Negundo) pinnatim 3-5-folio- 
latis ; floribus in racemos v. corymbos axillares et terminales composito- 
Cymigeros dispositis. (Æwropa, Asia et America bor. temp., Java.) — 
Vid, p. 373. 
