Flora of the Malayan Peninsula. 127 



length 4"5 to 9 in. ; breadth 1-5 to 3 in. ; petiole "2 to '6 in., winged near 

 the apex. Capitules about "35 in. in diam. when in flower, in pedunculate, 

 trichotomously-bi'anched, lax or condensed axillary or terminal pubes- 

 cent panicles, shorter than the leaves. Lobes of the calyx obloug, obtuse, 

 persistent. Tube of corolla glabrous, narrow ; "l in. long ; lobes 4 or 5, 

 ovate. Anthers reaching to the middle of the lobes of the corolla. Style 

 ' exserted, stigma clavaf e. Fruit obovoid, hairy in its upper part : 

 bracteoles filiform. Seeds very shortly winged. Miq. Ann. Mus. Lugd. 

 Bat. IV. 183 ; Koord. & Valet. Bijdr. 8, 17. Nauclea pohjcephala, Wall. 

 Cat. 6100; G. Don Gen. Syst. III. 467; Kurz For. Flora Burma II. 65. 



Var. macropJiylla Hook. fil. Fl. Br. Ind. II. 25, leaves oblanceolate, 

 with 10 to 12 pairs of main-nerves, 6 to 10 in. long and 2"5 to 4 in. 

 broad. N. microcepliala, Wall. MSS. in Herb. Hook. Adina aralioides, 

 Benth. & Hook. Gen. Plant. II. 30. Nauclea capitellata, Voigt Hort. 

 Calc. 375. N. trichotoma, Zoll. Verz. Ind. Archipel. 61. N. aralioides, 

 Miq. Fl. Ind. Bat. II. 344. Cephalanthus aralioides, Zoll. I.e. 



Penang: Curtis 2737, 2751. Malacca: Ridley 758; Berry 130.-- 

 DiSTRiB. Java; Sumatra; Cochin China ; Burma ; Chittagong. 



The variety mncropylln is the form most frequent in our region, 



6. Uncaria, Schreb. 



Climbing shrubs. Lmt'es shortly petioled ; stipules entire or bifid. 

 Flotvers in peduncled globose heads, solitary and axillary or collected in 

 tei-minal panicles ; peduncles (often without flowers) converted into 

 stout, recurved hooks. Galyx-tuhe cylindric or double fusiform; the 

 limb usually expanded, 5-toothed or 5-lobed. Corolla with a long 

 cylindric tube, often expanded towards the apex, the limb with 5 

 slightly imbricate or valvate lobes, the throat glabrous. Stamens 5, 

 inserted by short filaments on the throat of the corolla ; anthers dorsi- 

 fixed, with 2 basal bristles. Ovary fusiform, 2-celled. Style long, 

 slender; stigma capitate; ovules many, ascending on the placentas. 

 Capsule elongate, usually double fusiform, septicidally 2-valved, many- 

 seeded. Seeds minute, numerous, imbricating upwards ; the nucleus 

 small, its testa winged at each end; albumen fleshy, embryo clavate, 

 cotyledons short. — Distrib. : about 40 species mostly tropical Asiatic. 



Lobes of calyx narrow, acute : — 



Flowers and capsules subsessile ... ... ..« 1. U, Boxiurghiana. 



Flowers and capsules distinctly pedicellate : — 

 Leaves pubescent bencatli : — 



Calyx-lobes lanceolate, acute, shorter than the tube : — 

 Flowers "75 in. long; leaves ovate-lanceolate, 2'5 

 to 3*5 in. long ... ... ,., ... 2. U. lavona, 



17 



