Prunus. | ROSACER. 433 
Stipules minute or none. Flowers often polygamous, sohtary or 
more usually in axillary or terminal bracted racemes or panicles. 
1. P.Sumatranum, Bth.—A middling-sized tree, the younger 
shoots all tawny pilose ; leaves of the shoots longer acuminate, more 
membranous, beneath densely and shortly white or gilvous tomen- 
tose, the older ones oblong or broadly eblong, on a short thick 
tomentose petiole, blunt or apiculate, entire or nearly so, firmly 
coriaceous, glabrous above, minutely greyish tomentose and strongly 
nerved and net-veined, very variable in size, but usually 4-6 in. 
long; flowers shortly pedicelled, villous, forming tomentose or 
pubescent racemes or thyrsoid racemes in the axils of the leaves 
- and sometimes at the end of the shoots; the lower bracts oblong- 
lanceolate and puberulous, those further up gradually smaller and 
shorter ; stamens about 15, forming a half-cirele, the lower fertile 
(7-8) ones short, the upper sterile ones without anthers and united 
into a minutel thed crown; ovary scaly and minutely hairy ; 
drupes oblong, the size of a plum, rough from lenticels and scales, 
yellow, the mesocarp sappy and edible. 
Has.—Burma, without locality (probably Tenasserim), 
PRUNUS, L. 
Flowers hermaphrodite. Calyx-tube from tubular to urceolate, 
filled up with the glandular disk. Sepals 5 (rarely 4 or 6), inserted 
at the throat of the tube, deciduous, imbricate. Petals as many as 
sepals, or none, deciduous, imbricate. Stamens 10-20, or some- 
times more. Carpel solitary (rarely 2 or more), free, inserted on 
the bottom of the calyx-tube, with 2 descending ovules; style ter- 
minal. Fruit a drupe, more or less sappy, the putamen hard, per- 
forated, usually l-rarely 2-seeded. Albumen thin or none.—Trees 
or shrubs, with alternate simple leaves. Stipules present. Flowers 
solitary or more usually corymbose or racemose. 
* Fruits large, tomentose; leaves deciduous, serrulate . P. Persica. 
* *& Fruits smooth. 
iduous, serrate; flowers in poor corymbs; ecalyx-tube 
about 4 lin. long . ‘ «ae ee Cc - _ + PB. Puddum. 
As preceding ; flowers small, by threes ; calyx-tube only 1-1} lin, PB wife. 
. . . ° . . . . * FY, = 
Leaves persistent, entire; flowers racemose . - . .  « P. Martabanica. 
1. P. Persica, Bth.; H.f. Brand. For. Fl. 191.—A leaf-shedding 
small tree, the leaf-buds sparingly pilose; leaves oblong-lanceolate 
to lanceolate, rounded and 2-glandular at the base, crenate-toothed, 
_ on a 3-4 lin. long petiole, more or less acuminate, 2-34 in. long, 
_ chartaceous, glabrous ; flowers showy, white. or pale-rose-coloured, 
_ shortly pedicelled, singly arising from imbricate-scaled buds ; 
: 2D 
