Pteleocarpa.} xxxix. OLACINEJS. (Maxwell T. Masters.) 591 



17. PTELEOCARPA, Oliv. 



Trees. Leaves alternate, simple, 1-nerved, petiolate. Inflorescence ter- 

 minal, panicled, many-flowered. Flowers regular, dichlamydeous, herma- 

 phrodite. Calyx tubular below, limb deeply 5-parted, lobes imbricate, 

 not accrescent. Corolla tubular below, limb deeply 5-parted, lobes im- 

 bricate, glabrous. Stamens 5, glabrous, springing from the tube of the corolla, 

 alternate with its lobes ; anthers linear, innate, dehiscing longitudinally. 

 Staminodes 0. Ovary free, stipitate, 2-celled ; styles 2, stigma minute ; ovules 

 solitary in each cell, pendulous, anatropal, raphe lateral or subventral. 

 Fruit 2-celled, compressed, orbicular, emarginate, deeply winged, wings 

 striate. Seed elongate, compressed, albuminous ; radicle superior, cylin- 

 drical, cotyledons linear-lanceolate longer than the radicle. DISTEIB. 

 Species 2, one Malayan, the other from Borneo. 



By reason of the imbricate calyx and stamens alternate with the petals, this genus 

 should be placed in Jcacinece, but the structure of the ovary is that of Olacinece. The 

 fruit is quite distinct. 



1. P. malaccensis, Oliv. in Trans. Linn. Soc. xxviii. 515, t. 42. 



MALACCA, Maingay. DISTRIB. Borneo. 



Quite glabrous. Branchlets terete. Leaves 3-5 by 1 -2 in., membranous, oblong 

 or oblanceolate, abruptly acuminate, base narrowed, midrib prominent beneath ; petiole 

 ^-| in. Panicles terminal, scarcely exceeding the leaves. Bracts minute, ovate, del- 

 toid. Pedicel? 4-3 in., slender, ascending, sometimes clustered in umbellate cymes. 

 Flowers in. diam. , yellow or red, glabrous. Calyx-lobes ovate, roundish, obtuse. 

 Corolla 4 times longer than the calyx, tube short ; lobes oblanceolate, oblong, obtuse. 

 Stamens as long as the corolla, filaments filiform, glabrous ; anthers basifixed. Ovary 



Slabrous, oblong, obtuse, compressed, obscurely furrowed, seated on a thick stipes. 

 'i-uit l$-li i Q - diam. Seed ^ in. ; embryo half the length of the fleshy albumen. 



18. PHYTOCRENE, Wall. 



Climbing shrubs, 'usually more or less hairy, often prickly; wood with 

 very large porous vessels and thick medullary rays, but no annual rings. 

 Leaves alternate, petiolate, entire or palmately lobed. Mowers dioecious ; 

 male in small globose clusters borne on long branching spikes ; female in 

 large solitary globose pedunculate clusters. MALE fl. : Calyx of 3-5 free 

 segments, usually anisomerous with the petals. Corolla tubular-carnpanulate, 

 4- rarely 5-parted, lobe* valvute. Stamens as many as the lobes of the corolla 

 and alternate with them, filaments hypogynpus ; anthers 2-lobed, dehiscing 

 longitudinally ; pollen-grains globose. Pistil rudimentary, hispid. FEMALE 

 fl. : Calyx and Corolla of the male. Stamens 0. Staminodes minute or 0. 

 Ovary sessile, 1-celled ; style thick columnar, stigma capitate more or less 

 lobed; ovules 2 descending from- the apex of the cavity, raphe dorsal; 

 micropyle superior. Drupels many, in globose heads, bristly or echinate; stone 

 hard, 1-celled, 1-seeded, pitted externally. Seed pendulous ; embryo as long 

 as the fleshy albumen, radicle superior short, cotyledons large flat 

 appressed. DISTKIB. Species 8, all natives of India and the Archipelago. 



1. P. g-ig-antea, Wall. PI. As. Rar. iii. 11, t. 215; branches prickly, 

 leaves cordate-ovate acute obscurely lobed pilose along the nerves beneath, 

 bracts or shorter than the pedicel. Wall, in Plat. Mag. iii. 223 ; Cat. 

 4946. P. callicarpa, Griff. Not id. iv. 327, t. 490. Gynocephaluin giganteum 

 Tree al in Ann. tic. Nat. aer. 3, viii. 149. 



