200 XV. PiTTOSPORE-E. (Hook. f. & Thorns.) [Pittos^onm, 



acuminate. WaU. Cat 8128; Benth. FL Austral. I 112. P. ferrugiueum 

 and Rumphii, PutUrl. Mmog. 7, 8. 



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Eastern Peninsula, from Moulmein to Sincapore, Wallich^ &c. — Distrib. Eastern 

 Archipelago, Australia. "^< 



A spreading much branched tree ; young branches rusty-pubescent. Leaves 2^-4 by 

 1-2 in., thin, coriaceous, adult glabrous and shining above, glabrous or pubescent be^ 

 neath. Palunclca 1 in., rusty-pubescent. Flowers \ in. long, greenish white. Ovanj 

 rusty-tomentose ; style very short, glabrous. Capsvle slightly compressed, rough, about 

 4-seeded. — Aiton's locality (Guinea) is no doubt an error. 



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Order XVI. POLYGALEA. (By Alfred W. Bennett, F.L.S.) 



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Annual or perennial herbs, erect or scandent shrubs, or timber trees. 

 Leaves alternate j^rarely whorled) or occasionally reduced to scales or 0, 

 simple, quite entire. Stipules 0. Flowers irregular, 2-sexual, 3-bracteate. 

 Sepals 5, unequal 2 inner often petaloid {wing-sepals), deciduous or persis- 

 tent, imbricate in bud. Petals 5 or 3, distinct, unequal, the inferior usually 

 keel-shaped. Stamens 8 (in Salomonia 4-5, in Trigoniastrum 5) hypogynou5, 

 filaments imited into a sheath, more rarely distinct; anthers opening by 

 terminal pores, rarely by slits. Ovary free, 1-3-celled; style generally 

 curved, stigma capitate ; ovules 1 or more m each cell, anatropous. Frun 

 generally a 2-celled, 2-seeded,loculicidal capsule; orindehiscentandl-seedea, 

 or (in Trigoniastrum) of 3 indehiscent carpels- Seed usually strophio^te, 

 albuminous, rarely exalbuminous.— Distrib. The whole world except JJew 

 Zealand, chiefly in warm regions ; genera 16 ; species 450-500. 



J— 



Herbs or (more rarely) erect shrubs. Capsule loculicidal, 2-celled. ^: ^ 



Stamens 8, uniti'd ; 2 interior sepals alseforra 1. PolygaLA. 



Stamens 4-5, united; sepals petaloid, nearly equal ... 2. Salomonia. 



Climbing shrubs. 



Stamens 8, united; fruit 1-celled, iudehiscent, samaroid . 3. Secukidaca. . . 



Trees or erect shrubs. - " 



Stamens 5, united; fruit of 3 samaroid carpels 4. Trigonustrcm- 



Stamens S, distinct; fruit 1-celled, not winged .... 5. Xanthophtllch. 



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M. N 



1. POZ.'S'G-AX.A. Linn. 



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Herbs 

 2 inner 



istent ; 



or more rarely shrubs. Leaves alternate. Sejxfls usually persistenlj 

 larger, usually petaloid. Petals 3, united at the base witU tr 



Stamm^^ 



staminal sheath, the inferior keel-shaped and generally crested. —- . 

 filaments united for their lower half into a split sheath ; anthers opemi^ 

 by pores. Ovari/ 2-celled ; ovules 1 in each cell, pendulous, ^^'^^j' ,t,5* 

 celled, loculicidal, 2-seeded. Seeds almost always strophiolate a»Yiinut 

 mi nous.— Distrib. Conterminous with the order, except Tasmania. A^o 



250 species. 



^v- ■r^'-'-- 



Sect. I. Chamaebuxus, Touni. (genus). Shrubs with large ba« ' 

 some flowers. Calt/x deciduous. Keel crested. i>eeds with a large »v 

 phiole, exalbuminous. 



1. P. arUIata, Ilamilt. in Dm Prodr. 199 ; shrubby, leaves j»"^^&i 

 or oblong-lanceolate, flowers yellow in drooping racemes or panicles^ " 

 PI. As. Rar. t. 100; C7a^. 4191 ; Griff. Notul. iv. 535, t. 507; Ic ^j-J'i%^ 



t. 697. Chamaebuxus arillata and paniculata, Ilassk. in Miq. Ann. ^ 

 ^o<. 1. 153, 154. 



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