1158 L- Radlkofer. — Sapindaceae. 



Flores nunc reguläres, nunc asymmetrici ; sepala 5, subrotunda, concava, crassius- 

 cule subcoriacea, plerumque margine solo pilosa, late tegentia, sicca e purpureo vel 

 brunneo atrata; petala squamata, squamis binis distincte cristatis; discus nunc com- 

 pletus, annularis, nunc uno latere interruptus et interdum semiannularis vel semi- 

 lunatus; stamina 8; germen triquetrum, stylo simplici curvato stigmatoso, stigmatibus 

 3 linearibus decurrentibus ; fructus capsularis, sessilis vel stipitatus, obcordatus, 

 3-lobatus, lobis aliformibus, extus et intus glaber, endocarpio cartilagineo ; semen ^ 

 compressum, partim vel omnino arillo libero basi in appendicem filiformem flexuosam 

 producto obtectum; embryo subduplicatim transverse plicatus, oleoso-carnosus, radicula 

 dorso descendente a testae plica excepta. 



Arbores vel frutices; folia abrupte pinnata, 1 — 6( — 10)-juga, foliola saepius alterna 

 vel subalterna, oblongo-lanceolata, margine exteriore angustato saepius obliqua, in- 

 tegerrima, plerumque coriacea, supra fuscata, subtus pilis brevibus appressis et papillis 

 cinerea, cellulis secretoriis saepissime dense pellucide punctata, facie infera in nervorum 

 axilla foveolam glandulärem cyathiformem crebre gerentia; inflorescentiae paniculatae, 

 interdum e trunco vel ramis vetustioribus enascentes. 



Species fere 60 vel ultra, malaico-oceanicae, nee non australienses, plurimae in 

 Nova Guinea (14) et in Philippinis (20; cf. Merrill, Enum. Philipp. Fl. Fl. II. [1923] 

 506) obviae*). 



Sect. I. Eu-Guioa Radlk. Sap. Holl. Ind. (1877 — 1878) 90, in Sitzungsber. bayer. 

 Akad. IX. (1879) 607. — Sepala late imbricata, exteriora breviter ovata, obtusa, 

 interiora suborbicularia ; discus annularis, aequalis vel rarius pauUulum inaequalis et 

 obliquus (in pluribus G. diplopetalae speciminibus); flores plerumque majusculi, rarius 

 parvi {G. acutifolia). 



1. G. lentiscifolia Cav. Icon. IV. (1797) 50; Radlk. 1. c. 608. — Rhachis foliorum 

 superne marginata; foliola 5 — 7, opposita, ovato-elliptica, inaequilatera, subfalcata, 

 crebre pellucide punctata, basi in axilla nervi lateralis exterioris foveola urceolata 

 instructa, subtus minutim tuberculato-papillosa (inde opaca, glaucescentiaj. 



In Insulis Tonga: Gavanilles (Hb. Juss. n. 11401 ; Hb. Ventenat, nunc Deless.). 



2. G. rhoifolia (A. Gray) Radlk. Sap. Holl. Ind. (1877-1878) 38 et 1. c. 608. - 

 Cupania rhoifolia A. Gray, Bot. U. St. Wilkes Exped. I. (1854) 254. — Rhachis foliorum 

 nuda; foliola 5 — 11, inaequilatera, anguste ovato-lanceolata, falcata, punctis pellucidis 

 perraris vel vix uUis notata, 1-foveolata, subtus ut in priore opaca glaucescentia. 



In Insulis Vitiensibus: Wilkes Exped.; Seemann n. 69. 



3. G. subsericea Radlk. in Engler's Bot. Jahrb. LVI. (1920) 277. — Arbor procera, 

 cortice subfusco; rami rubro-fusci petioHque glabri; foha abrupte pinnata; foliola 2 — 4, 

 opposita, lanceolata, subaequilatera, longe acute acuminata, in petiolulos attenuata, 

 integerrima, subcoriacea, nervis lateralibus utrinque 6 — 8 curvato-adscendentibus, 

 supra glabra fusca, subtus pilis flavidis adpressis subsericea glandulisque microscopicis 

 e cylindrico subclavatis fuscis fugacibus adspersa nee non minutim tuberculato-papil- 

 losa, papillis elongatis digitiformibus, inde opaca flavescenti-glauca, cellulis secretoriis 

 quodammodo pachydermicis sphaericis vel ellipsoideis per totum diachyma dispersis 

 (aliisque elongatis singulis vel pluribus seriatis nervis venisque praesertim subtus 

 adjectis) instructa, inde (juniora certe) dense pellucido-punctata, obsolete foveolata; 

 petiolus rhachisque foliorum nuda; thyrsi vel paniculae parvae axillares, sub lente laxe 

 minutim puberulae, folia dimidia aequantes vel pauUo superantes, cincinnos paucifloros 

 vel superne flores singulos gereutes; bracteae bracteolaeque minimae, subulatae; 



*) Manuscriptum generis Guioae ab auctore ipso haud elaboratum, ab Th. Herzog e notis et 

 operibus Radlkoferi constructum, serius a me multis synonymis et citationibus auctorum necnon 

 coUectionibus ex Herbario Berolinensi et litteratura sumptis auctum. — Clavis specierum in manu- 

 scripto deest; clavem specierum in Papuasia obviarum cf. in Engler's Bot. Jahrb. LVI. (1920) 276. — 

 H. Harms. 



