232 NATURAL HISTORY OF PLANTS. 



107. Algernonia H. Bn.^ — Flowers monoecious; male calyx 

 unequally-3-5-lobed, imbricated, thick glandular-incrassate at base. 

 Stamen 1, central ; filament not articulate ; anthers erect apiculate, 

 2-dymous, cells 2, long adnata, laterally rimose. Female calyx 

 cupular, glandular-3-denticulate, persistent. Germen 3-locuIar, un- 

 equally-lobate-dilated below apex of cells ; cells 1-ovulate, style 

 erect columnar, afterwards 3-fid ; lobes simple rather compressed, 

 inwardly stigmatiferous. Fruit suberous-capsular, finally 3-coccous, 

 depressed-turbinate and horizontally as if in sublobed ring dUated- 

 winged, shortly apiculate ; seed . . . ? — A small tree ; leaves alternate 

 terminal densely spicate ; inferior spikes few female. {North Brazil?) 



108. Dalembertia H. Bn.^ — Flowers monoecious apetalous ; male 

 1-androus; filament at first incurved, apex of anther introrse,* 2- 

 rimose bearing dorsally and at middle a bractlet,^ articulate below the 

 insertion of this. Sepals of female flowers 3, sometimes connate at 

 base, small, imbricated, furnished at base with 2 stipulate glands 

 and higher at margin with smaller unequal ones. Gynseceum (of 

 Excceearia) 3-merous ; cells alternating with sepals ; style erect at 

 middle 3-fid ; branches recurved or revolute, inwardly stigmatiferous. 

 Capsule 3-coccous ; seeds exarillate glabrous. — Undershrubs ; leaves 

 alternate petiolate, 2-stipulate, rhomboid, repando-dentate or lobed, 

 more rarelif sub-entire ; flowers^ in terminal racemes l-or2-sexual j in- 

 ferior in androgynous the female few ; pedicel erect or refracted ; bracts 

 imbricate, 1 -flowered, apiculate, at base thick 2-glandular. [Mexico I') 



109. Anthostema A. Juss.^ — Flowers monoecious; male calyx 

 membraneous small, unequally-3-6-dentate. Stamen 1, central fila- 

 ment erect subulate ; anthers of terminal cells longitudinally rimose. 

 Calyx of female flowers gamophyllous, 3-5-fid. Germen 3-locular ; 



1 Euphorb. 546, t. 2, fig. 30-32. — M. Arg. in duabus lateralitus oonnata " Ahg.) is before 



Linnaa, xxxii, 84 ; Trodr. 1230. anthesia neatled in the concavity of its anther. 



- Spec. 1. A. brasiliensis H. Bn. loc. cit. ; in ^ Small, viresoent. 



Ann. 8c. Nat. s^r. 4, ix. 198. ' Spec, ad 4. H. Bn. in Jclansonia,,xi. 124 ; 



3 Huphorb. 645, t. 6. fig. 11-15.— M. Akg. in in Ann. Sc. Nat. ser. i, ix. 195. 



Linncea, xxxiv. 218 ; Prodr. 1225. ' A. Juss. Euphorb. 66, t. 18, fig. 60. — Endl. 



■* Face of anther in bud contiguous to in- Gen. n. 5767. — H. Bn. Euphorb. 59, 543, t. 5, 



curved conoavitate filament, finally looking at fig. 1-7 ; in Ann. Sc, Nat. ser. 3, ix. 193. — Boiss, 



axis of inflorescence. Frodr. 188. 



* Bractlet superposed to floral bracts (an " e 



