302 S. Kiirz — Contributions towards a [No. 4, 



Rubus. — Characters of the Trihe. 



Trib. 6. Potentillece. — Stamens and carpels 4 or more, the latter with a solitary 

 ovule ; style usually ventral, marcescent or caducous. Calyx usually with bractlets. 

 Unarmed herbs or undershruhs, with compound or simple leaves. 

 Fragaeia. — Calyx with 5 bractlets. Stamens numerous. Ripe carpels crustaceous, 



seated on a fleshy sappy torus ; styles ventral. Herbs with 3-foliolate leaves. 

 Potentilla. — Calyx with 4 or 5 bractlets ; torus in fruit dry, rest as in preceding. 



Herbs or undershrubs with variously compound leaves. 



Parinarium, Juss. 



1. P. Sumateaktjm, Bth. in Fl. Nigrit. 334 ; Miq. Fl. Ind. Bat. 

 I. 1. 353. — (Pterocarya Sumatrana, W. Jack in Maccl. Calc. Journ. 

 IV. 165). 



Hab. Burma, without locality, probably Upper Tenasserim (Bran- 

 dis) ; frequent in tbe adjoining provinces of Siarn, where the fruit is called 

 ' roakloke.' 



Prunus, L. 



Conspectus of Species. 



* Leaf-shedding trees or shrubs. Flowers appearing before or 



along with the young foliage. Vernation of leaves conduplicate 

 or convolute. 

 Subg. 1. Amygdalus, L. — {Armeniaca, Juss.) Flowers solitary or clustered. 

 Drupes densely velvety or tomentose. 



Leaves narrow, 2-glandular at the base ; stone wrinkled, P. Persica. 



Subg. 2. Prunus. — Flowers solitary, fascicled or racemose. Drupes glabrous. 



* Drupes usually pruinous. Vernation of leaves convolute. 



Glabrous ; flowers rather small, usually by threes ; petals \ in. long; calyx-tube 1 — 1^ 

 lin. long, lobes usually somewhat longer, P. tr {flora. 



Almost glabrous ; flowers rather large, by 2 or 3 from bracted buds ; petals nearly J 

 in. long ; calyx-tube 3^ lin. long, the lobes nearly as long, P. Puddum. 



* * Drupes smooth, not pruinous. Vernation of leaves conduplicate. (Cerasus, 



Juss) . 



* * Evergreen trees. Flowers racemose. (Pygeopsis). 



Drupes an in. long ; lateral nerves very faint or almost obsolete, P. Martabanica. 



Drupes \ in. long ; lateral nerves thin but prominent, anastomosing along the margins, 



. .P. Java/iica. 



*1. P. Persica, Brand. For. Fl. 191. (Persica vulgaris, Mill. Diet. 

 No. 1 ; DC. Prod. II. 531 ; Spach Suit. t. 5 ; Boiss. Fl. Orient. II. 610 ; 

 Amygdalus Persica, L. sp. pi. 677 ; Heyne Arzney Gew. IV. t. 38 ; Bot. 

 Beg. t. 1586 ; Journ. Hort. Soc. Bond. III. t. 313 ; Houtte Fl. d. serr. X. 

 t. 969. XIII. t. 1299. 1300 and 1319; Eoxb. Fl. Ind. II. 500). 



Hab. Much cultivated in Ava, as for example in the Khakyen Hills 

 and about Bhamo. — Fl. Febr. March ; Fr.. June, July. 



2. P. triflora, Eoxb. Hort. Beng. 38 and Fl. Ind. II. 501, " trifolia" 

 errore typogr. — {Cerasus triflora. Lindl. in Wall. Cat. 720). 



