312 LI. ROSACES. (J. D. Hooker.) [Parastemon. 



at Palor in Mergui; it has broadly linear-oblong leaves 5-7 in., quite glabrous 

 and shining above with 8-10 pairs of very oblique nerves, undersurface also glabrous 

 except the puberulous midrib and nerves ; petiole stout, tomentose. Flowers minute, 

 in very small axillary racemes, densely tomentose, too young to discern their parts. 



P.? JACKIANUM, Benth. in Hook. Niger Flor. 335 (Petrocarya excelsa, Jack, in 

 Mai. Misc. ii. 66^ ; 'a large tree, leaves oblong acuminate glabrous, racemes ferru- 

 ginous and tomentose strict erect sparingly branched, stamens 11 unilateral twice 

 as long as the petals, drupe enclosed in the enlarged calyx and adnate to it, nuts 

 smooth 1 -celled, with an abortive cell usually above the fertile, embryo cylindric.' 

 Malaya, Jack. But for the description of the fruit, this might be P. asperulum, Miq. 



PABINAEIUM DILLENIFOLIUM, R. Br. in Wall. Cat. 7520 (Petrocarya dillenifolia, 

 Steud.), is Dipterocarpus cornutus, Dyer. 



P. EXCELSUM, G. Don, Gen. Syst. Gard. ii. 479 ; Dalz. $ Gibs. Bomb. Flor. Suppl. 32. 

 A tree introduced at Goa from Mozambique, and called Matomba by the Portuguese, 

 is imperfectly known and should be ascertained. 



2. PARASTEMON, A. D.C. 



A shrub or small tree. Leaves simple, alternate, evergreen, quite entire. 

 Flowers polygamo-dicecious, minute, racemose, ebracteolate. Calyx-tube shortly 

 campanulate ; lobes 5, imbricate. Petals 5 (or 6), oblong, deciduous. Stamens 

 2 perfect, unilateral. Carpel 1, adnate to one side of the calyx- tube, 1-celled ; 

 style basilar ; ovules 2, erect. Fruit oblong, coriaceous, 1-celled, 1-seeded, 

 indehiscent. Seed erect, testa membranous pubescent ; cotyledons fleshy, radicle 

 inferior, plumule hairy. 



1. F. urophyllum, A. D.C. in Ann. Sc. Nat. Ser. 2. xviii. 208. Em- 

 belia urophyUa, Wall. Cat. 2309. Celastrus racemosa, Wall. Cat. 4320. 



Eastern Peninsula ; SINGAPORE, Wallich ; MALACCA, Griffith, Maingay ; 

 TENASSERIM or ANDAMAN ISLANDS, Heifer. DISTRIB. Borneo. 



Quite glabrous. Leaves 2-3 in., elliptic or elliptic-lanceolate, obtusely acuminate, 

 shining, narrowed at the base into the very short petiole ; nerves faint. Racemes 

 slender, axillary, equalling the leaves, rarely branched at the base ; bracts concave, at 

 the base of the pedicel. Flowers ^ in. diam., shortly pedicelled. Fruit ^ in. long, 

 ellipsoid, quite smooth and glabrous. 



3. PRUNUS, Linn. 



Shrubs or trees. Leaves alternate, simple, quite entire or serrate or crenate 

 or glandular-serrulate ; petiole often 2-glandular. Flowers white or red, soli- 

 tary fascicled corymbose or racemed. Calyx deciduous in fruit; lobes 5, 

 imbricate. Petals 5. Stamens 15-60, perigynous, inserted in the mouth of the 

 calyx-tube, filaments free. Carpel 1 ; style terminal ; ovules 2, collateral, 

 pendulous. Drupe with an indehiscent or 2-valved, 1-seeded, smooth, or 

 rugged stone. Seed pendulous, testa membranous or coriaceous, albumen scanty 

 or 0. DISTRIB. N. temp, regions, rare in the tropics ; species 80. 



The scented kernels of the European and West Asiatic P. Mahaleb, L., are sold 

 in the bazaars of N.W. India, and the tree is cultivated in Beluchistan, and probably 

 occurs on the N.W. frontier ; it is a small tree of the Cerasus section, with ovate 

 crenate leaves, fragrant flowers in peduncled corymbose racemes, and ovoid drupes 

 in. long. 



SECT. I. Amygdalus. Leaves conduplicate in bud. Flowers subsessile. 

 Drupe usually pubescent ; stone bony, rugged. 



