ULMAOE^. 209 



males . . . ? Fsmale flowers '^ crowded on convex receptacle pliiri- 

 seriately imbricate at base, the outermost impoverisbed. Calyx 

 tubularly urceolate tbickly coriaceous, at moutb 4-5- or more rarely 

 6 -dentate ; teeth reflexed. Germen quite inferior completely im- 

 bedded in and in every part adnate to foveoles of receptacle ; stig- 

 matose branches of enclosed style 2, filiform elongate exserted; 

 ovule inserted near apex of cell descending anatropous ; micropyle 

 extrorsely superior. Fruit . . . ? — A tree ; leaves distichous costate ; 

 stipules axillary, 2-nate, caducous ; female receptacles axillary 

 solitary subsessile.^ {North. Brazil?) 



46. Maquira Aubl.* — Flowers dioecious (nearly of Castilloa) ; 

 male calyx 4-phyllous ; folioles decussately imbricate. Stamens 4, 

 opposite ; filaments free, erect before anthesis ; anthers introrse, 

 2-rimose. Female flowers crowded, placed (not imbedded) on 

 common receptacle ; germen inferior relatively to gamophyllous 

 4-lobed calyx ; lobes of thick style short stigmatose. Other cha- 

 racters of Castilloa. Fruit composed of free capitate drupes attenuate 

 at base ; seed . . . ? — A moderate - sized tree ; leaves distichous 

 coriaceous, unequal at base, shortly petiolate ; stipules minute, 

 3-angular ; receptacles axillary ; males disciform, slightly depressed 

 above, involucrate with crowded pluriseriate imbricate bracts; the 

 fructiferous capitate, [Guiana.^) 



47. Perebea Aubl.^ — Flowers dioecious (nearly of Maquira); 

 receptacle suborbicular, at first slightly concave, afterwards plane 

 and reflexed, convex above; bracts of involucre oo, inserted at 

 margin of receptacle and imbricate in many places. Calyx tubular, 

 at base sometimes compressed and 4-dentate at apex. Gynsecium 

 free ; germen (as regards gamophyllous calyx superior) 1-ovulate ; 

 lobes of style 2, short and other characters of Maquira. — Trees ; 

 leaves distichous ; flowers of both sexes on broad patulous receptacle 

 not imbedded. {^Central America^ Guiana!') 



1 " Dense, subcoherent at base, very rigidly •* Spec. 1. N. macrophylla Miq. loc. cit. 

 subligneously braoteate." (Mia.). ■• Guian. Suppl. 36. t. 389. — Buk. Prodr. xvii. 



2 Is Oegodeia Bur. {Prodr. 282), Naueleopsis 286. 



glabra Spruce (Herb.), n. 2793, a north Bra- * gpeo. 1. M. guianensin Aubl. he. cit. — 



zilian race described as ; female flowers naked, Perebea laurifolia Trec. Ann. Sc. Nat. ser. 3. 



germen inferior, style thick ; stigmata 2, linear viii. 133, t. 5, fig. ,136-138. — Mia. Mart. Fl. 



rather thick, the terminal half rough with un- Bras. XJrtic. 117, n. 2.— ? Olmedia ? grandifolia 



equal tubercles (whence tie generic name), Trec. loo. cit. 128 (Bur.). 



and numerous abortive flowers reduced to ^ (?«!««. ii. 952, t. 361. — J. ffe«. 402. — Enui,. 



Ovoid-pyramidal perianth, fertile flowers being Gen. u. 1874. — Trec. Ann. So. Nat. ser 3, viii 



interposed and covering ■ the receptacle ; a sec- 132 (part.). — Bur. Proiin vii. 286. 



tion of this genus. '' Spec. 2, of which 1 is Panaman (Bur.) . 



VOL. VI. 14 



