860 Flora of the Malayan Peninsula. 



by suppression) ; testa membranous ; cotyledons obovate, truncate and 

 slightly emarginate. 



Peeak : in dense bamboo forests, at 500 to 700 ft., near Ula Kerling, 

 King's Collector 8765. — Distrib. Borneo {Havilaml 1913 ; Ridley 9065). 



The Perak specimens are rather poor ones, with flowers in bud and very 

 young fruit, and they have 3-foliolate leaves, while the Borneo specimen is unifolio- 

 late and in fruit ; so that it is not quite certain that they belong to the same species, 

 but after very careful examination we believe that they do, as the leaflets are identical 

 and so are the nerves of the fruiting calyx. 



The genus PetrcEOvitex was founded by Prof. D. Oliver on P. Riedelii, Oliv., in 

 Hook. f. Ic.Pl. V. 15. t. 1420 (1883), a plant sent from the Island of Buru by Mr. 

 Eiedel, and remarkable for its bipinnate leaves. 



Tribe IV. Stmphoeeme^. 

 13. Sphenodesme, Jack. 

 Climbing shrubs. Leaves opposite, entire. Inflorescence of capi- 

 tate, 3- or 7-flowered, centrifugal cymes enclosed in an involucre of 

 6 foliaceous accrescent bracts, the cymes in pairs on the branches of 

 large terminal or axillary, leafy, thyrsoid panicles. Calyx ovoid-campanu- 

 late, usually enlarging after flowering; lobes of 5 rather short teeth. 

 Corolla sub-regular ; tube short, cylindric ; lobes 5, rarely 6, subequal, 

 imbricate in bud. Stamens 5, inserted in the tube of the corolla below 

 the throat, included or exsert ; anthers small, oblong or reniform, the 

 cells ]3arallel or divergent. Ovary 2-celled, the cells 2-ovuled ; o'vniles 

 pendulous from the apex of the placentiferous axis ; style filiform, short 

 or long ; stigma 2-lobed. Drupe globose or obovoid, included in the 

 calyx, 1-seeded or rarely 2-seeded ; exocarp leathery. Seed globose, 

 entirely filling the cavity or its lower part ; the placentas included 

 within the cotyledons ; testa membranous ; cotyledons thick, very 

 fleshy ; radicle very small, inferior. — Distrib. About 10 species, in 

 India, Malaya and the Malay Archipelago. 



Corolla-lobes long, narrow ; style very short ; anthers included in 



the corolla-tube (Sect. 1. Buachynema, Griff.) .. .. 1. 5. ferniglnea. 



Corolla-lobes ovate or oblong, broad ; style long, exsert ; anthers 

 exsert (Sect. 2. Et;sphexodesiia, C. B. Clarke) : — 



Flower-heads 3-flowered, the 6 bracts small in flower, enlarged in 



fruit ; branchlets and leaves glabrous or nearly so . . . . 2. S. triflora. 



Flower-heads 7-flowered, the 6 bracts enlarged both at flowering- 

 time and in fruit : — 

 Branchlets, leaves and inflorescence rufous-hirsule ; calyx 

 very hirsute . . . . . . . . . . 3. S. harhata. 



Branchlets, leaves and inflorescence sparingly pubescent or 



glabrate ; calyx nearly glabrous . . . . 4. .S'. pentandra. 



