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208 XVI. POLYOALE^. (A, W. Bennett.) [Securidaca. 



oblique pores. Ovary 1-celled, 1-ovuled. ^ri^V a 1-celled samara, 1-seeded, 

 wing broad coriaceous. Seeds exalbuminous, estropliiolate. — Distkib. 

 Species about 25 ; most numerous in tropical America, rarer in tropical 

 Africa and Asia. 



1. S. Tavoyana, Wall. Gat 4196 ; leaves elliptic or oboyate-oblong 



minutely pubescent beneatli, flowers in loose subcoryuibose panicles, mn^ 

 elliptic. S. scandens, Ham. in WalL Cat 4195 {7iot of Jacg.); Bassk.tn 

 Miq, Ann. Miis, i. 190. S. paniculata, iValL {not of LamkX S. inap- 

 pcudiculata, Hassk. PL Jav, Rar, 295. Lophostylis javanica, Miq, FL Ned. 

 Ijid. i. pt. 2, 128. 



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Eastern Bengal, from Silhet and Chittagong to Rangoon. — Distrib. Java, China. 



A large woody scandent shrub; branchea striate, branchlets puberulous. Leaves 

 3-5 by 14-2 in., generally acuminate, glabrous, paler beneath. Flowers \ in. j tne 

 lower with considerably longer (4 in.) pedicels than the upper. Outer sepals nearly 

 equal, ovate, shortly ciliate ; wings elliptic, obtuse. Lateral petals adnate at the base 

 to the keel, truncate ; keel with a conspicuous but scarcely fimbriate crest. Ovary^ 

 orbicular; style unilateral, curved at right angles near the tip. Samara 2^-3J m-J 

 nucleus very rugose ; wing very large and strongly veined, oblique, tip rounded, margin 

 entire, veins arched. 



2. S. bracteata, A. W, Benn. ; leaves elliptic puberulous beneatb, 

 flowers in panicled racemes, wings orbicular, wing of fruit strongl^emed 



Malacca, Malngay. \ ; 



A large scandent shrub ; branches terete, hoary-pubescent. Leaves ellbtic, acu- 

 minate, margins revolute when dry, beneath finely pubescent glaucous. Floweri % 

 im, pedicels ^ in. Bracts ovate, acuminate, pubescent, persistent after floweriQ?. 

 Outer sepals nearly equal, large, ovate, very hairy, ciliate : wings scarcely twice as Ifing, 

 pubescent externally. Lateral petals truncate; keel with a recui-ved, plaited cres. 

 Orary orbicniar; style curved. Fruit unknown. Samara 3-34 in., similar to that o 

 S. Tavojanaj but contracted for a longer space above the nucleus. ^; 



.vttlefl 



7t 



4. TRIGONIASTRVBX, Miquel. 



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A shrub or small tree. Leaves hoary beneath. Flowers in slender ter- 

 minal panicles. Petals 5, unequal, the inferior keel-shaped. ^Staniens^ 

 filaments united into a sheath. Ovary densely hairy, i ' ' "^ 



Sendulous, solitary in each cell. Fruit of 3 samaroid r 

 Lstinct carpels. Seeds 1 in each carpel, not strophiolate. 



1. T. Ixypoleucum, Miq, Fl. Ned. Ind. SnjW^. i. 395. 

 giana, Wait Cat. 7261. 



Isopteris penan 



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Penano Porter ; Malacca Maingny, , .,. ^•^, 



Branches slender, tereie; branchlets hoary. Leaves 4-7 by IJ-^i ^"v f L^; 

 lanceolate, obtusely acuminate, pale beneath and with very fine adpressed pnbcsce ^^^ 

 petiole -iV-J in. Panicles much branched, lax, slender. Flowers \ in. diam., sn ^^'_' 

 pcdicelled, tomentose. Sepals 5, 2 exterior rather larger. Ovary ^^"^^ ^i^* ^jng; 

 Samara 2 in. long, membranous, dimidiate-obovate, strongly reticulate, ^snii fei 

 nucleus small. 



XAMTKOPKTX.Z.VnX 



Timber-trees. 



■ VV^ M.^ W^r ^» ^ ^^^ ^ — - 



Leaves large, coriaceous, generally yellow-greeiL ,^<P 

 6, nearly equal. Petals 5 or 4, nearly equal, the inferior keel-sbape^ ^^^ 

 crested Stamens 8, distinct, 2 hypogynous, 6 attached to the base ox ^ 

 petals. . Ovari/ stipitate, 1-celled; style curved; ovules various in ^^^ 



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