CELASTRACE^. 36 



leaves opposite or sometimes verticillate or alternate, stipules minute ; 

 flowers (minute) in slender stipitate (sometimes few-flowered) cymes. 

 {Central America^ Mexico^ Cliili^ Madagascar'^) 



11, Ptelidium Dup.-Th.^ — Flowers of Euonymus^ 4-merous ; 

 receptacle depressed. Calyx 4 -partite ; folioles decussate, imbricate. - 

 Petals 4. oblong sessile, imbricate. Stamens 4, alternipetalous, 

 interior to a short disk and alternate with its lobes ; filaments short 

 subulate, recurved at apex ; anthers small subglobose, extrorsely 2- 

 rimose Germen compressed ovate, 2-locular and with short style 

 not thickened at apex. Ovules in cells 2, inserted a little above 

 the base ascending ; micropyle extrorsely inferior. Fruit dry, 

 thickly samaroid oval-subcordate, much compressed, produced at 

 margin to a thick venose coriaceous wing,^ indeliiscent, 1-2-locular. 

 Seed ascending linear-oblong ; '^ albumen fleshy thin ; cotyledons of 

 embryo (green) flat foliaceous ; radicle inferior." — A glabrous shrub ; 

 leaves opposite petiolate coriaceous entire ; flowers in axillary ter- 

 minal and ramose cymes. [Madagascar J^) 



12. Zinowiewia Turcz.^ — Flowers 5-merous (of Mceodendron or 

 Euonymus) ; receptacle cupular. Sepals and petals 5, longer imbri- 

 cate. Stamens 5, exterior to 5 -angular disk ; anthers short introrse. 

 Base of germen imbedded in cavity of receptacle, 2-locular ; ovules 

 in cells 2, collaterally suberect ; micropyle extrorsely superior. Fruit 

 samaroidal,^ stipate at base with unenlarged calyx, dry, 1-locular, 

 dilated above to an unequal dolabriform, sometimes rather lateral 

 membranous wing, otherwise dry indehiscent ; seed suberect 

 cylindrical glabrous exarillate ; embryo ... ? — A glabrous bush; 

 leaves opposite entire (of Elwodendron) -, flowers'^ in axillary deeply 

 2-chotomous ramose cymes.^ [Mountainous Mexico,^) 



1 Spec. 7,8. Sw.i^'/.Jn^.Otfc.i. 340 (Jf?/^e«<?a). ^ Spec. 1. P. ovatum Poik. loc. eit.—TvL. 



H. B. K. Nov. Gen. et Spec. vii. 66 (part.), t. Ann. Sc. Nat. ser. 4, viii. 103. — Seringia ovata 



620.— C. Gay, FL Chil. ii. 9 [Myginda).— Spreng. 



Griseb. FL Brit. W.-Ind. 146 {Myginda). — 5 ^^n Mosc. (1859), i. 275.— B. H. Gen. 364, 



-Chapm. i^^. /S. Unit. St. 75 {Mgginda).— Walt. n. 15. 



Rep. -v. 402 {Mgginda); Ann. i. 191; vii. 585 6 Nearly of iSec/m^acec the smaller sometimes 



{Myginda). recalling the legimien of Nissolia. 



'^ Gen. Nov. Madag. 24 ; Hist. Vig. lies Afr. ^ Small crowded green. 



Justr. 25, t. 4.— Lamk. III. t. 916.— PoiR. Diet. ^ A genus distinguished from the oppositi- 



Suppl. iv. 697.— DC. Frodr. ii. 11.— Endl. Gen. foHous Fieeodenura only by its alate fruit. 



n.568Z.—B.B.. Gen.d6S,n.U.—Petalocarpum ''Spec. 1. Z. integerrima Turcz.-Walp. 



Dup.-Th. Herb. Juss. \e:s. Tvl.). — Seringia Ann. yii. 577 —Wimtneria? integerrima Tv^ci. 



Spreng. Sgst. i. 441 (nee J. Gay). £f*ll' Mosc. (1858). 



^ Wins sometimes obsolete. 



3—2 



