502 NATURAL ITTSTOIiY OF PLANTS. 



free, i-locular; styles same in number inserted at summit of in- 

 ternal angle of germen, approximate or more or less cohering and 

 twisted among themselves ; apex stigmatiferous variously dilated or 

 recurved free ; ovules in gcrmens solitary descending incompletely 

 anatropous; micropyle extrorse superior. 1 Samaras 1-5 free linear - 

 oblong membranous veined, at middle seminiferous and sometimes 

 subdrupaceous, sometimes apiculate with lateral style; seeds com- 

 pressed scantily albuminous ; embryo subequal to albumen ; cotyle- 

 dons flat foliaceous elliptical ; radicle short superior. — Lofty trees ; 2 

 leaves alternate imparipinnate ; folioles alternate entire, sometimes 

 oblique or sinuate-dentate ; flowers 3 in much ramified terminal cymi- 

 ferous bracteolate racemes {South-East. Asia, Trop. and Subtroj). 

 Australia*). 



94. Picrsena Lindl. 5 — Flowers polygamous, 4-5-merous ; sepals 

 short free or connate at base. Petals longer, subvalvate or slightly 

 imbricated. Stamens equal in number to petals and alternating 

 with them, inserted below disk, thick depressed between stamens ; 

 filaments free esquamate ; anthers (effete or in female flowers) 

 introrse, 2-rimose. Carpels 3, 4, seated on summit of disk oppositi- 

 petalous ; germens (rudimentary or in male flower) free (of 

 Quassia) ; styles free at base and apex, at middle more or less cohering, 

 at apex recurved or reflexed stigmatiferous. Drupes i-3, and exalbu- 

 minous seeds of Quassia. — Bitter trees ; leaves alternate imparipin- 

 nate ; folioles opposite entire or crenate ; flowers 6 in axillaiy and 

 terminal ramified cymiferous racemes (Trop. America 1 ). 



95. Picrasma I3l. 8 — Flowers nearly of Pier ana ; petals 4, 5, in 

 male flower usually marcescent, in female accrescent after anthesis, 

 valvate. Stamens equal in number to petals (in female flower effete 

 or 0). Carpels (in male flower sterile) 3-5 ; styles inserted at 



1 Coats double. 14. — H. Bn., in Adansonia, xi. fasc. 1. — 



- Sabfetid ; bark sometimes bitter. Muenteria Walp., Bep., v. 398. — 2Eschryon 



3 Small, virescent or whitish. Velloz., Fl. Flum., i. t. 152. — Picranena 



4 Spec. Hill, of which 1 is everywhere common Lindl. (ex Pi., in Hook. Lond. Journ., v. 

 (scil. A. glandulosa). hats,., Stirp., t. 84. — 572). 



Eoxh., PL Comma ml., t. 2:'.. — WIGHT & Abn., 6 .Small, virescent. 



Prodr., i 150.— Wight, h-on., t. 1604.— F. 7 Spec. 3. Pl., in lTook. Lond. Journ., v. 



Viri'iu. Froffm., iii. 42 (part.).— Benth., Fl. 573 {Picrasma).— Gbiseb., Fl. Brit. W.-Ind., 



Austral., i. 373.— Walp., Rep., v. 165; Ann. 140.— Walp., Ann., i. 167 (Picrasma). 



vii. 538. « B'jdr., 247. — Kndl., Gen., n. 5972, g. 



6 But. Med., 208. — P.. II., Gen., 311, n. (Zanthoxylon).—&. H., Gen., 311, n. 12, 



