1006 L. Radlkofer. — Sapindaceae. 



sim?) dehiscentibus (t. F.Müller I.e.) corticoso-sublignosis, tomentellis vel glabratis 

 intus glabris. Semen (Uli Alectryonis simile) globosum; testa crustacea laevigata, nitida, 

 parte dorsali aream 3— 5-gonam exhibente spadicea circa hilum arillo adnato margine 

 tantum libero dorso altiore acinoco rubre- vix usque ad medium obteeta, arillo deraso 

 albida. Embryo curvatus, notorrhizus ; cotyledones ineurvae, exterior interiorem 

 transversim reduplicatam amplectens, oleo et aleuro foetae; radicula dorsalis, brevis, 

 lata, plica testae excepta. 



Frutices magni vel arbores parva®. Rami teretes, laevigati vel vix striolati, 

 juveniles tomentelli, denique glabrati, cortice e fusco cinerascenti nitidulo. Folia 

 sparsa, simplicia, linearia oblonga vel obovato-oblonga, integerrima vel in 1 specie 

 {H. divers ifolium) interdum spinöse paueidentata, ^ petiolata, subcoriacea, nervis 

 lateralibus approximatis subtilibus oblique erectis ante marginem saepe furcatis 

 utrinque parum prominulis, juvenilia cinerascenti-tomentella, denique ^ glabrescentia, 

 triste cano-viridia, opaca, diaehymate utrinque ^ staurenehymatico, epidermidis 

 mucigerae cellulis verticaliter septatis, utrinque stomatophora, in 1 specie (H. diversi- 

 folium) subtus glandulis microscopicis clavatis stipitatis adspersa. Inflorescentiae 

 axillares, nunc (in H. oleifolio] thyrsi breves, sat dense cymulas 2-floras vel ad flores 

 singulos reduetas gerentes, nunc (in reliquis) cymae laxiflorae (polychasia vel dichasia) 

 subsericeo-cinerascenti-tomentellae; bracteae bracteolaeque minutae, trianguläres, 

 tomentellae. Flores conspicui, in 1 specie (H. oleifolium) subsessiles, in reliquis graciliter 

 longiuscule pedicellati, pedicellis filiformibus infra medium articulatis. 



Species 5 australienses. 



Genus Alectryonis speciebus apetalis arete affine nee nisi foliis simplieibus discrepans, ut 

 inter hujus tribus genera africana cum Pappea a Stadmannia et Smelophyllo . 



Conspectus specierum. 



A. Inflorescentiae racemiformes in ramis vetustioribus; pedicelli 



breves apice incrassati; folia anguste oblonga, integerrima 1. H. oleifolium. 



B. Inflorescentiae paniculiformes, parvae in ramulis novellis; 

 pedicelli longiusculi, filiformes. 



a. Inflorescentiae laxiflorae. 



aa. Folia linearia; flores medioeres, calyce pubescente. 

 a. Calyx major, antherarum basin obtegens, sub- 



coriaceus 1. H. macrocalyx. 



ß. Calyx parvus, filamentorum apicem non obtegens, 



membranaceus 3. H. microcalyx. 



bb. Folia obovata, euneata, saepius grossiuscule spinoso- 



dentata; flores perparvi, calyce glabriusculo . . . . 4. H. diversifolium. 



b. Inflorescentiae densiflorae ; folia lineari-lanceolata ... 5. H . floribundum. 



1. H. oleifolium (resp. oleaefolium) Desfont. 1. c. (1818)!; Poir. 1. c. (1823); DG. 1. c.; 

 Ferd. Müll. Report on Babbage's PI. p. 7 (ex sequ.), PI. indig. Gol. Vict. (1860-1862) 

 90 et Addit. 228, Fragm. IX. (1875) 75, 90 speeim. excl., cfr. H. macrocalyx et H. micro- 

 calyx, et Syst. Gens. (1882) 24, ed. 2. (1889) 42; Benth. Fl. Austr. I. (1863) 469 speeim. 

 excl. ut sub F. Müll.; Radlk. Sap. Holl.-Ind. (1877) 49 (119) et in Engl, et Pr. 1. c; 

 Bailey, Syn. Queensl. Fl. (1883) 80, Queensl. Fl. I. (1899) 307 et Queensl. Woods 

 (1899) 42; J. G. O. Tepper, PI. Ardrossan, Yorke's Penins. in Trans. Roy. Soc. South 

 Austr. III. (1880) 37 (Ardrossan, coast); R. Täte, Cens. PI. Extra-Trop. S.-Austr M 

 ibid 54 et XII. (1889) 75; H. Kempe, PI. River Finke, Gentr. Austr., ibid. V. (1882) 20; 

 W. L. Cleland, Garoona Hill, Lake Gilles, ibid. X. (1888) 78; R. Täte, PI. Lake Eyre 

 Basin, ibid. XI. (1889) 89 (Cooper Greek) ; Moore, Fl. N. S. Wales (1893) 92 ; Max Koch, PI. 

 Mount Lyndhurst Run in Trans. Roy. Soc. S. Austr. XXII. 2. (1898) 103; J. H.Maiden 

 and E. Betche, Notes etc. in Proc. Linn. Soc. N. S.Wales XXIV. 4. (1900) 641 (Page River, 



