68 ICONES PLANTARUM. 



AchjranthecBy and to tlie division witL conspicuous staminodes, and 

 differs from Acliyrantlies itself in habit, in the elongate scarious 

 perianth which is not indurated at the base, and in the long slender 

 staminodes. — J. D, Hooker, 



Fig. 1. Flower and bracteoles. 2. Stamens, staminodes and pistil, enlarged. 



Plate 1287. 



UAPACA GUINEENSIS, Mnell Arg. 



EuPHOEBlACE^j Tribe PnTLLANTHE-aE. 



TJ. gnianensis, MuelL Arg. in DO. Frod, xv. ii. 490 ; * floribus luteis, 

 involucri foliis coriaceo-membranceis, calyce masculo inajqualiter 5-par- 

 tito cum filamentis parce pubescentibus, antheris rigidis iiifnscatis 

 apice hand bilobis, connectivo valido incrassato hispidulo, rudimento 

 ovarii hispido, fructu 2-4-loculari ellipsoideo verruculoso/ 



Hab. West Tropical Africa, Fernando Po, Vogel ; Nupe and Nun 

 river, Barter. 



Arhor 50-pedalis. Folia breviter petiolata^ oboyata v. oboyali-oblonga, 

 obfcusa V. vix brevissime obtnseque acuminata, semipedalia v, usque ad 

 pedalia, coriacea, pennivenia, venis primariis distantibus subtus promi- 

 nulis. Involucra tam mascula quam foeminea pedunculo 6-9 lin. longo 

 fulta, ad axillaa v. ad nodes foliorum delapsorum solitaria, ovoideo- 

 globosa, 3-4 lin. diametro, mascnla amentum subglobosum, fceminea 

 florem unicum includentia, Flores ^ in rhachi lineari densissime 

 eonferta, calycibns cujusve floris hand facile distingnendis, segmentis 

 parvis linearibns valde ineequalibus filamentisque ptibescentibua- 

 Ovarium floris $ intra involucmm (v. calycem?) sessile, glandulis disci 

 hypogyni subdistinctis. Styli petaloideo-dilatati, crassiusculi, margine 

 breviter lobati, supra ovarium arete reflexi, Fruchis ellipsoideus v. 

 fere globosus, siccitate sulcato-rugosus v- lasvis, pollicem diametro, 

 exocarpio crasso carnoso, endocarpio 3-pyreno. 



Fig. 1, Involucre in bud. 2. Male amentum with the involucre open. 3. Male 

 flower, the calycine segments represented as too nnmerous, but the flowers are so very 

 closely packed that it is difficult to distinguish the calyx of each. 4. Ovary ana 

 Btvle. 6. Fruit. 6. The same, transverse section. 



Two or three of the African species of Uapaca are so very closely allied that our 

 specimens scarcely suffice to distinguish them accurately. I have therefore copied 

 Mueller^s diagnosis, the specimen here figured having been determined by him ; the 

 so-called calyx of the female flower is so exactly like the male involucre, that it is 

 difficult not to regard it rather as a oue-flowered involucre than a calyx.- — Gr, 



