CXVIII. KUBIACE^E. 485 



COROLLA monopetalous, epigynous, isostemonous, wstivation valvate or [imbricate 

 or] contorted. STAMENS 4-6, inserted on the corolla-tube. OVARY inferior, bi-pluri- 

 locular ; OVULES anatropous, or semi-campylotropoiis. EMBRYO almost akvays albu- 

 minous. LEAVES opposite, stipulate. 



TREES, SHRUBS or HERBS, usually with tetragonous knotty jointed stems. 

 LEAVES opposite [or whorled], simple, usually entire, stipulate; stipules various, 

 sometimes free, sometimes united to the leaf or the neighbouring stipule, sometimes 

 leaf-like, and appearing to form a whorl with the leaves, but distinguished by the 

 absence of buds. FLOWERS usually $ , very rarely unisexual, sometimes sub-irregular, 

 generally cymose, panicled or capitate. CALYX superior or semi-superior, tubular, or 

 deeply cut or 2-6-fid or -toothed or 0. COROLLA superior, monopetalous, infundi- 

 buliform or hypocrateriform or rotate [rarely 2-labiate, Henriquezia, Dichilanthe, 

 &c.] ; limb of 4-6 segments, usually equal, aestivation valvate, rarely contorted or 

 imbricate. STAMENS 4-6 [2 in Carlemannia and Sylvianthus], inserted on the tube, 

 very rarely coherent ; anthers introrse, bilocular, dehiscence longitudinal, distinct, 

 very rarely cohering in a tube. OVARY inferior, bi-pluri-locular, crowned by a more 

 or less developed fleshy disk ; style simple bifid or multifid, stigmatiferous at the 

 top or inner surfaces or sides of the arms ; ovules solitary or 2 or more in each cell, 

 erect or pendulous, or ventrally attached to the central angle or septum of the cell, 

 or to a prominent placenta, anatropous or semi-campylotropous. FRUIT a capsule, 

 berry or drupe. SEEDS in various positions ; albumen fleshy or cartilaginous, or 

 almost horny, rarely scanty or 0, sometimes involute. EMBRYO straight or curved, in 

 the base or axis of the albumen ; cotyledons flat, rarely involute ; radicle usually 

 inferior. 



[Sketch of the arrangement of Eubiacece into tribes, as recently constructed for 

 the ' Genera Plantarum ' : 



SERIES A. Ovules indefinite. 



Sub-series I. Fruit dry, capsular or indehiscent. 



* Flowers collected in a globose head. 1 



TRIBE I. NAUCLE.E. Corolla narrow, infundibuliform, lobes never contorted. Stigma 

 much exserted, entire. Sarcocephalus, Cephalanthus, Adina, Nauclea, Ifncaria, &c. 

 * Flowers not collected into spherical heads. 



TRIBE II. CINCHONEJ;. Corolla-lobes valvate, imbricate or contorted. Capsule 2-celled, 

 seeds winged. Cinchona, Cascarilla, Ladenbergia, Bouvardia, Manettia, Hindsia, Hillia, Exo- 

 stemma, LucuUa, &c. 



TRIBE III. HENRIQUEZIE^. Corolla 2-labiate. Ovules geminate. Seeds very broadly 

 winged, exalbuminous. Henriquezia, Platycarpum. 



TRIBE IV. COKDAMINIE^. Corolla-lobes valvate. Capsule 2-celled. Seeds numerous, 

 minute, not winged. Trees and shrubs. Condaminea, Portlandia, Bikkia, Pinkneya, &c. 



TKIBE V. RONDELETIE^. Corolla-lobes imbricate or contorted. Seeds very numerous, 

 albuminous, not winged. Rondeletia, Wendlandia, Augusta, Deppea, Sipanca, &c. 



TRIBE VI. HE DYOTIDE^!. Corolla-lobes valvate. Ovary 2-4-celled. Seeds numerous, 

 1 See also under tribes Gardeniea and Morindece. 



