282 



F. Pax. — Euphorbiaceae-Phyllanthoideae-Phyllantheae-Petalostigmatinae. 



1. P. quadriloculare F. Müll, in Hook. Kew Journ. IX. (1857) 17; Müll. Arg. in 

 Flora XLVII. (186 4) 481, in DC. Prodr. XV. 2. (1866) 273; Benth. in ßenth. et F. 

 Müll. Fl. austral. VI. (18 73) 92. — P. triloculare Müll. Arg. in Flora XLVII. (1864) 

 481, in DC. Prodr. XV. *2. (1866) 274. — P. australianum Baill. Adansonia VII. 

 (1866 — 1867) 356, t. 2. — Hylococcus sericeus R. Br. in Mitchell's Journ. (1848) 

 389. — Arbor parva vel mediocris; rami cicatricosi; ramuli albido-tomentosi, demum 

 glabrescentes. Petiolus 2 — 4 mm longus; limbus 2 — 8 cm longus, 1 — 2^2 cm latus, 

 ambitu variabilis, ovatus vel orbiculari-ovatus vel obovatus vel lanceolatus, acutus vel 

 obtusus, basi acutus, juvenilis utraque pagina tomentosus, evolutus supra glabrescens 

 et nitidus, subtus incano-pubescens et minus glabrescens, chartaceus vel subcoriaceus ; 

 costae secundariae utrinque 5 — 6, subtus sub indumento fere occultae; stipulae caducae, 



Fig. 22. Petalostigma quadriloculare F. v. Müll. var. pubescens Müll. Arg. A Ramulus 

 floriger. B Flos <$. Stamina. D Flos Q. — Icon. origin. 



triangulari-ovatae, minutissimae. Flores pedicellis ad 4 mm longis suffulti, (f 7 mm 

 circ. lati; sepala (^ late obovata vel orbicularia, obtusa vel subacuta, extus fulvo-sericea , 

 intus glabra; columna staminalis villosa; stamina circ. 30; antherae apice glabrae vel 

 villosae. Flos Q quam (j 1 aequilatus, sed bracteis sepalis similibus auctus; sepala 

 maris; ovarium 4- vel 3-loculare, pallide tomentosum, subglobosum; styli lanceolati, 

 margin e revoluti, dz undulati vel crenati. Fructus aurantiacus, ad 1 5 mm longus, 

 globoso-ellipsoideus. Semina laevia, leviter compressa, 7 mm longa, distincte caruncu- 

 lata. — Fig. 22. 



Austromalayische Provinz: Australien. 



Var. a. pubescens Müll. Arg. in Flora XLVII. (1864) 481. — P. quadriloculare 

 var. serieeum Müll. Arg. in Flora XLVII. (1864) 481, in DC. Prodr. XV. 2. (1866) 

 273. — P. quadriloculare var. genuinum Müll. Arg. in DC. Prodr. XV. 2. (1866) 273. — 

 Folia ovata vel obovata vel orbiculari-ovata, subtus rb vestita. 



