﻿18 DICOTYL. seu EXOGMiE. j>yrenacantha. 



V. PYRENACANTHA Hook. Bot. Misc. II. 107 (1831) ; t. suppl. 10: Nijger, 515 

 Endl. Gen. n. 1893; Tul. in Ann. sc. nat. (1851) 251; H. Bn. Et. gin. 

 Euphorbiac. 662. — Adelanthus Endl. Gen. n. 6839; Sxippl. II, 31; Sond. 

 Sudafr. in Linnsea. XXIII. 107 ; Hook. Niger. 515 ; Tul. I. cit ; H. Bn. itl Bull. 

 Soc. bot. de Fr. (1857). 991; Et. gin. Euphorbiaa- 662. — Cavanilla TKutib. 

 Prodr. 31. — Moldenhauera Spreng. Syst. I. 373 (nec Schott). — Tragiae sp. 

 Hochst. — Sadrum sp. Soland. mss. 



Flores dioici ecalyciiiati- Flos masciilus. Perianthiiini (cofdlla?) 

 4-v. rarius 3, 5-rnera; foliolis subiiberis, valvatis. Stamina totidein 

 alterria, sub pistilli rudimehto iorma vario glabro v. hispidulo ihsefia ; 

 filaffiehtis liberis; arithefis iritrorsis; loculis basi et apice discretis, 

 lohgitudinaliter fimosis, connectivo ddrsri glandiilosp. Flcis fceriiipeus. 

 Perianthium inafis; foliolis demurri apice fefiexis cifca fructus basin 

 pefsistentibus induratis. Staminodia brevissima 4, 5, cufn pefianthii 

 foliolis alternantia. Germen supefum, l-locularfl; stigriiate subsessili 

 discoideo multiradiato. Ovula 2, sub apice loculi ihsert^collatefaliter 

 descendentia; raphe dorsali; micropyle introrsum supefa, pfjis fasci- 

 culatis e fuiiiciilb ortis obturata. Drupa criihpressiuscula ; mesbcarpio 

 tenui; putamine crustaceo, extiis fiiguloso, intus spinulescenti-veffu- 

 cpsri. Sehien 1; ihtegumehto tehui; albumine crasso cafnosd ; embryo- 

 riis alburhini subaequalis f adicula conica siipera ; cptyledohibus am- 

 plis foliaceis, basi 3-5-herviis. — Frutices v. suffrutices scandehtes ; 

 ramis filifofmibus; foliis alternis petiolatis scabriusculis v. pilosis, in- 

 tegris dentatis lobatisre, _basi 3-5-rierviis. Spieae cum gemrhulis 1, 2, 

 superpositis supraaxillares ; , rhasculae filiforihes longae ; bracteis altef riis 

 subulato-setosis, 1-floris; flore supraaxillari aHiculato ; fcemiijeas spi- 

 cato-capitatse v. abortu l-flora?, basi nudatae; pedunqulo gracili recto. 

 — Gen. Ndisiato proximum, vix hisi fioribus ecalyculatis diftert fbrte- 

 que melius ad ejiis sect. f eferendiinl. 



a. Africanx. 



1. P. sca.Ndens (Harv. Thes. Cap. I. 12. t. 23), scandens, ramis teretibus gla- 

 bratis, ramulis gracilibus, uti planta fere tota, plus minus dense lutescenti- 

 hirsutis, foliis remote afternis, saspius oblongq-lahceojatis, rarius ovato-acutis 

 v. nunc suborbiculari-ovatis palmatil obis, basi rotundatis v. breviter cordatis, 

 fiUnc saepe aciitiusculis, apice acutatis v. obtusatis, niinc breviter acumi- 

 natls, inaequali-cuneatis v. angulato-serratis, membranaGeis , supfa scabridu- 

 lis, subtus fulvido-v. lutescenti-tomentosis, penniherviis, basi 3-nefviis, costa, 

 nervis venisqiie pafce reticulatis subtus prominulis densiuscule hifsutis, 

 limbo basi saepe inasquali-angustata glandulis 2 parvis v. subtus pfomi- 

 nulis instructo, inflofescentiis paulo supraalaribus gracilibus, folio brevio- 

 ribus, pefianthio 3, 4-phyllo antheris brevioribus, stamihodiis ih flore foe- 

 mineo minimis obtusatis, stylo radiato patulo, drupa ovato-acuta , basi 

 subasquali-angustata. 5 In Africa australiore, ad. Portum Natal (Guein- 

 zius, Masson, in hb. Mus. Brit.), ad Profn. B. Spei (Drege, n. 7528; 

 Zeyher, n. 680, 2023, in hb. Mus. Par., Kew., Berol., DC, Deless.; Krauss, 

 n. 126; Burcheli, n. 5214, 5250, 5279, 521 A, in hb. Kew., Mus. Par.; 

 Berfard, n. 309, in hb.Kew.). Sadrum volubUe Soland. mss in nb.Mus. Brit. 

 Adelanthus scandens Endl., loc. cit. Moldenhauera scandfens Sprehg. loc. 

 cit. — Spicae masculae gemmis 2 (superiore una, inferiore altera) interpbsltae; 

 rachi basi nudata. Bracteae alternae y. subopposit* lineares subcurvae,- 1- 

 florae. Perianthium basi articulatum; foliolis 3, 4 ovato-acutis, vix ima basi 

 subincrassata connatis, membranaceis, demum patulis. Stamina perianthio 



i diinidio breviora ; filamentis sub pistillirudimento brevi depresso dease setoso 



