ULMACE.l-:. 209 



males ... ? Female flowers 1 crowded on convex receptacle pluri- 

 seriately imbricate at base, the outermost impoverished. Calyx 

 tubularly urceolate thickly coriaceous, at mouth 4-5- or more rarely 

 6-dentate ; teeth rcflexed. Gormen quite inferior completely im- 

 bedded in and in every part adnato 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. 3 [North. Brazil?) 



46. Maquira Aubl. 4 — Flowers dioecious (nearly of Castllloa) ; 

 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 Castllloa. Fruit composed of free capitate drupes attenuate 

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

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

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

 above, involuciate with crowded pluriseriate imbricate bi-acts ; the 

 fructiferous capitate. (Guiana. 5 ) 



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

 receptacle suborbicular, at first slightly concave, afterwards plane 

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

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

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

 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 • 1 Spec. 1. N. macrophylla Mia. Inc. cit. 



subligneously bracteate." (Miq.). 4 Gniaii. Suppl. 36. t. 389.— Buk. Prodi: xvii. 



■ Is Ocgodeia Bim. (Prodr. 282), Nauclenpsis 286. 



glabra Spruce (Herb.), n. 2793, a nortb Bra- 5 Spec. 1. M. guianensis Aubl. loc. cit. — 



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



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



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



equal tubercles (whence the generic name), Tréc. lac. cit. 128 (Bur.). 



and numerous abortive flowers reduced to 6 Guian. ii. 952, t. 361. — J. Gen. 402. — Eniil. 



ovoid-pyramidal perianth, fertile flowers being Gen. n. 1874. — Trfc. Ann. Se. Nat. sér 3, viii 



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



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



VOL. VI. 14 



