816 L. Radlkofer. — Sapindaceae. 



Accedit species mihi ignota: 



P. Pynaertii DeWild. in Bull. Jard. bot. Bruxelles IV. (1914)371.— »Arbor; ramis 

 cylindricis, cortice glabro,lenticellato; foliis paripinnatis, foliolis 4-jugis, rhachide glabra 

 usque 20 cm longa basi incrassata, breviter et subcrasse petiolulatis, petiolulo usque 

 6 mm longo, lamina elliptica vel elliptico-lanceolata, basi J^ inaequilaterali, apice 

 breviter acuminata, 6—13 cm longa et 3,5 — 7,5 cm lata, supra et int'ra glabra, nervis 

 lateralibus I utrinque ultra 12; inflorescentiis axillaribus ^ ramosis, rhachide breviter 

 tomentosa usque 20 cm longa, floribus p^dicellatis fasciculatis ^ distantibus, pedicello 

 circ. 5 — 6 mm longo basi articulato; calyce 5-lobato, lobis extus et intus velutinis, 

 triangularibus, usque 1,7 mm longis et 2,5 mm latis; petalis 0; staminibus brevibus, 

 filamentis circ. 1 mm longis, velutinis, antheris subaequilongis; ovario triloculari, 

 breviter stipitato, circ. 4 mm longo et 3,5 mm lato, stylo 4 — 5 mm longo sparse et 

 leviter piloso.« 



In Congo: »Entre Lulonga et Coquilhatville, 13 e dec. 1906 (L. Pynaert n.748. — 

 Arbuste au bord des rives du Congo).« 



Nomen delendum, lapsu calami ortum. 

 Placodiscus tristis, non »Colenso in Trans. N. Zeal. Inst. XVIII. 1885 (1886) 

 271«, Jackson in Ind. Kew. Suppl. I. 4. (1906) 333 = Pterostylis tristis Colenso 1. c. 

 (Orchid.); Ind. Kew. Suppl. III. (1908) 146 (Colenso etc. ut supra). 



35. Melanodiscus Radik. 



Melanodiscus Radlk. in Durand, Ind. Gen. (seors. impr. 1887) 75, in Sitzungsber. 

 bayer. Akad. XX. (1890) 244, 285 et in Engl. u. Prantl, Nat. Pflanzenfam. III. 5. 

 (1895) 321. 



Flores spurie polygami, $ in diversa inflorescentia (et stirpe?) a ^ (? mentientibus), 

 reguläres, parvi. Calyx profunde 4- (rarius 3- vel 5-) partitus, partibus deltoideis 

 valvatis, pilis crispis incanis glandulisque (in M. africano elongatis articulatis) obsitus, 

 sub fructu reflexus, denique deciduus. Petala 0. Discus ( floris ^M. africani)e depresse 

 conico expansus, siccus atropurpureus, glaber, margine crenato-lobatus, lobis (sub 

 M. oblongi fructu) cano-puberulis. Stamina 6—8, intra discum circa pistilli rudimentum 

 inserta, glabra, sat exserta (floris <j> — sub fructu relicta — breviora, antheris effoetis); 

 filamenta filiformia; antherae ovatae, dorso supra basin emarginatam affixae; pollinis 

 granula subglobosa, 3-sulcata, sulcis 1-porosis. Germen (floris $ rudimentarium, albo- 

 villosum) 2-loculare; Stylus (supra fructum relictus) brevis, apice sulcorum suturalium 

 ope subbilobus; gemmulae in loculis solitariae, axi supra basin longitudinaliter affixae, 

 micropyle infera. Fructus (M. oblongi) baccatus, a lateribus compressiusculus, sub- 

 orbicularis, estipitatus, basi et apice emarginatus, styli reliquiis apiculatus, aequaliter 

 vel abortu inaequaliter 2-lobus, inter lobos tumidulos sulco exaratus, fulvo-tomentellus, 

 intus prope basin pilis deorsum versis laxe adspersus, sarcocarpio crassiusculo denique 

 pulposo, sicco coriaceo-crustaceo, endocarpio membranaceo. Semen loculo conforme, 

 ellipticum, a lateribus compressum, testa membranacea subfusca endocarpio arcte 

 adhaerente. Embryo rectiusculus, farinaceo-carnosus, albidus; cotyledones transversim 

 vel oblique superpositae, superiore paullo majore, basi conferruminatae; radicula infra 

 seminis medium ventralis, brevissima, papilliformis. 



Arbores ad 15 m altae. Folia sparsa, pari-pinnata, 2 — 3-juga, breviter petiolata, 

 exstipulata; foliola oblonga vel inferiora ovata rotundatave et minora (basi approximata 

 et interdum fere stipulas aemulantia), breviter petiolulata, integerrima, membranacea 

 vel chartacea, laxius reticulato-venosa, glabra vel subtus pilis laxe glandulisque majus- 

 culis (attamen microscopicis) clavatis stipitatis (praesertim juniora) utrinque adspersa, 

 sicca pallide viridia, diachymate strato tanninigero uno alterove medio (hie illic tantum 

 superficiali quoque) insigni, crystallis vix nisi prope nervös et venas paucis obviis, 

 cellulis secretoriis nullis, epidermide non mucigera e cellulis margine insigniter punetatis 



