70 



(CymM without an inrolaore. Fruit a dry not or mora or leas soconlent floahj drupe, rardj nat-like). 



O Nut dry, spongy-villons, enclosed in the enlarged often bladdery oalyx. 

 Tktoha. Corolla almost equally rotate, the tube aa long as the calyx. Bti|;ma 2-clefl. Drupes bony, 4- 



oellod. Flowers in dichotomons cymes or panicles. 



O O Fmit a more or leas soppy drupe, containing a tingle 4-oelled or two or four 1-oalled luts. 

 X Drupe containing a single 4- or by abortion a fewer-celled nut. 

 ViTBX. Corolla 2-lipped, the upper lip 2., the lower 3-cleft. Stamens more or less exserted. Flowers panioled, 



rarely oymose. Leaves often digitately compound, rarely simple, 

 Omiliha. Corolla showy, funnelshaped-campanulate, almost 2-lipped, the limb 4- or 6Jobed, the upper lip entire 



or short and 2-clefb. Stamens not or hardly exserted. Racemes or rarely panicle. Leaves simple, 

 Fbexna. Corolla small, the limb nearly regular or almost 2-lipped, 4-lobed. Stamens not or hardly exserted. 



Style long and filiform with a 2-lobed stigma. Cymes or rarely panicles, usually terminaL Leaves simple. 

 X X Drupes containing 2-4 separate 1-celled nuts or kernels. 

 OaUICAbpa. Corolla more or less funnoUhapod, short, with an equal 4>5-lobod limb. Style filiform, with a 



capitate stigma. Drupe berry-like, globular, containing four l-ollod kernels. 

 YoLKAiiiRiA. Corolla hypocraterimorph with a long tube and an almost unequal 6-oleft limb. Drupe almost dry, 



the nut separating in 2 or 4 valve-shaped woody nuts. 

 Clebodendbon. Corolla more or less tnbular-hypocraterimorph, the limb equal or unequal and oblique, ^obed. 



Drupes sappy, 4- or by abortion 3 -l-lobed. 

 Fruit a 2-valved capsule. Seed solitaiy, without integuments, germinating on the plant. Embryo with 



large folded cotyledons. 

 AvicEMMA. Leaves simple, leathery. Flowers imbricately 3-bracted at base. Calyx imbricate in bud. 



TECTONA. 



Young branohlets 4-angular ; fruiting calyx bladdery, inflated T. grandis. 



Young branchlets 6-8 angular or rather furrowed ; fruiting calyx ovoid, tightly embracing 

 the nut, T. Hamiltoniana. 



VITEX. 



* Floicers in panicles. 



O Panicle terminal with minute subulate bracts. 



All parts minutely white or greyish mealy ; leaves at least beneath white ; leaflets sessile ; 



flowers sessile or nearly so V. Agnus Castust 



As former, but the median leaflets petioluled ; flowers smaller, V. Negundo. 



All parts softly and shortly pubescent ; flowers on slender pedicels ; median leaflets 



petioluled, ; V. canescens. 



All fullgrown parts and leaves (at least above) glabrous ; leaflets petioluled, V. heterophyUa. 



O Panicles terminal with numerous conspicuous leafy tracts. All parts more 

 or less jpuhescent ; leaves digitately S-/oliolate, lea/lets sessile. 



Petiole not or only slightly and narrowly winged at apex ; panicle cymose-branched ; flowers 

 blue, V. pitbescens. 



Petiole broadly and leafy winged. Flowers interrupted oymose and forming spike-like 



panicles, V. Umonifolia. 



Panicles axillary, elongate, lax. Leaves 3-/oliolate, leaflets sessile. 



Glabrous ; petioles winged or not V. alata. 



* Flowers in axillary dichotomons cymes. Petioles not winged. 



All softer parts pubescent ; cymes pubescent or tomentose, much shorter than the 

 petiole 9 V. vestita. 



All parts, at least the adult ones, quite glabrous ; cymes glabrous, repeatedly dichotomons, 

 longer than the petiole, <.......- , , , .V. leucoxylon. 



GMELINA. 



Flowers 5-merou8 ; corolla 2-lipped, the upper-lip short, 2-lobed, straight G. arborea. 



Flowers 4-merous ; the 4 corolla-lobes almost equal, the upper one reflexed, ....(?. Asiatica. 



PREMNA. 



* Flotcers in cymes or cymose corymbs or oymose panicles. Trees or erect shrubs. 



X Tomentose or velvety pubescent trees. Calyx 5-toothed. 



All parts stellate-tomentose ; flowers in panicles, .P. tomentosa. 



All parts velvety pubescent ; flowers cymose forming corymbs, P. viburnoides. 



X X Almost glabrous tress. Calyx 4-toothed. 

 LeaTOB (except the pubescent nerves) glabrous ; flowers cymose in corymbs, .... P. sambucina. 



* * Flowers clustered or in little cymes, arranged on a more or less interrupted raceme 



or spike. 



Leaves glabrous or nearly so ; flower-clusters sessile or nearly so,. , P. racemosa. 



