728 L. Radlkofer. — Sapindaceae. 



rnekongensis, L.? palawanica), pericarpio plerumque cellulis secretoriis substantia 

 saponino affini (L. montana, heterolepis, Listeri, tetraphylla interdum, longifolia, Scor- 

 techinii, latifolia, quodammodo et rnekongensis) vel resinosa eademque saepius duplicem 

 luminis diffractionem efficiente (L. tetraphylla interdum, Kunstleri, burmanica) foetis 

 instructo, rarius cellulis secretoriis destituto (L. cuneata, schizolepis, tonkinensis, tricho- 

 carpa, granulata, L. ? palawanica). Semina elliptica, Jateraliter compressa vel tumida, 

 exarillata, testa tenuiter coriacea vel subcrustacea e cellulis complanatis exstructa, 

 brunnea, glabra, rarissime (L. latifolia) rufVvillosa, saepius endocarpio (a mesocarpio 

 soluto) arctissime adhaerente obducta. Embryo parum curvatus; cotyledones crassae, 

 nunc transversim vel oblique superpositae, inferiore minore, nunc (interdum in eodem 

 fructu, cfr. L. Scortechinii) lateraliter sibi invicem appositae, amylo et tannino farctae, 

 siccae duriusculae; radicula perbrevis, papilliformis, nunc lateralis, dorsalis vel (in 

 sect. IV.) ventralis, nunc basilaris, rarius conica subbasilaris [L. Listeri). 



Arbores vel frutices glabri vel ramulis junioribus tomentosis. Folia sparsa, abrupte 

 pinnata, 2— oo-juga, petiolata vel (in L. andamanica) foliolis infimis ima basi insertis 

 sessilia, exstipulata; foliola opposita vel alterna, breviter petiolulata, suboblonga, 

 integerrima, deorsum decrescentia, chartaceo-membranacea, nervis lateralibus arcuato- 

 adscendentibus ante marginem anastomosantibus subtus prominentibus, glabra, rarius 

 subtus pilis subulatis (L. viridis, acuminata, macrocarpa, eriolepis, schizolepis, mem- 

 branifolia) vel curvatis (L. heterolepis, Listeri, tonkinensis, Scortechinii) raro eleganter 

 hamatis (L. hirtella) subhirtella, glandulis microscopicis robustioribus clavato-capi- 

 tatis basi arcte septatis (nunc raris — cfr. L. Browniana, pallens, deficiens — vel 

 vix ullis — L. andamanica — , nunc creberrimis — L. schizolepis — , interdum gemi- 

 natis — L. trichocarpa, burmanica, longifolia, hirtella, rnekongensis — ) plerumque (ex- 

 ceptis L. montana, sessiflora, heterolepidi, angustifolia, acuminata, palawanica) in epi- 

 dermidis foveolas saepius cylindricas ^ profunde vel fere totis (L. eriolepis, schizolepis, 

 hirtella, rnekongensis, celebica) immersis utrinque ornata, saepius utrinque livescentia 

 vel subtus pallide rubescenti-subfusca ; epidermide non mucigera, paginae inferioris in 

 nonnullis (L. petiolaris, Browniana, cuneata, pallens) sparsim crystallorum concretiones 

 parvas et interdum quidem plurimas earum in cellulis geminatis (L. viridis, acutissima, 

 pallens, andamanica, deficiens, lamponga) gerente, in 1 tantum specie (L. palawanica) 

 paginae utriusque (ut et diachymate) crystalla singula fovente, paginae utriusque vel 

 superioris membranis cellularum superficialibus in nonnullis margine (L. cuneata, ton- 

 kinensis, palawanica, Scortechinii) vel totis (L. tetraphylla, trichocarpa) punctatis, in 

 aliis (L. montana, pallens, Kunstleri, burmanica, deficiens, hirtella) paginae inferioris 

 circa stomata sat magna intus nodulo centrali notatis, diachymate hypodermatis forma 

 in 1 tantum specie (L. andamanica), cellulis secretoriis in 3 speciebus (L. Listeri, lam- 

 ponga, rnekongensis) instructo, in 1 specie (L. tetraphylla) fere toto staurenchymatico, 

 crystallorum concretionibus plerumque crebris immo prope paginam superiorem (L. mon- 

 tana, heterolepis, acuminata, pallens, latifolia, celebica) vel inferiorem (L. assamica et 

 tetraphylla) in Stratum fere continuum consociatis (et in pluribus circa venas quoque) 

 persito, crystallis singulis (praeter illa in speciebus nonnullis venas cingentia) paucis 

 tantum (in L. schizolepide, pallenti, mekongensi), in 1 tantum specie (L. hirtella) crebris 

 adjectis, in alia (L. basicardia) fere solis, in tertia (L. palawanica) omnino solis obviis; 

 petiolus basi incrassatus rhachisque teretiuscula, striata, glabra vel puberula, rarius 

 tomentella {L. eriolepis). Thyrsi axillares vel supraaxillares, raro in ramis vetustioribus 

 laterales, singuli vel saepius pauci fasciculati, rarius in paniculas congesti (L. eriolepis, 

 schizolepis, burmanica, andamanica, palawanica), nunc longiores, nunc brevissimi, sat 

 dense cincinnigeri, cincinnique (sessiles vel stipitati) pedicellique (articulati) ut et 

 bracteae bracteolaeque (subulatae) tomento brevi denso induti. Alabastra globosa 

 vel ovoidea, canescenti-sericea vel rufescenti-tomentella, magnitudine nunc Gannabis 

 nunc Piperis nigri grana aequantia. Flores expansi 3 — 6 mm longi et lati, albi. Fructus 

 magnitudine nucem moschatam, rarius nucem Juglandis aequantes. 



