Amrrhoa] XXIV. GERAXIACE^E 111 



Leaflets ovate, acuminate, 2-5 pair. Fl. small, varieo-ated white and purple, 

 panicles axillarj, sometimes on the old wood. Calyx a;]abroLis. the shorter 

 btamens usually minute and sterile. Fruit yellow, ellipsoid, 3 in. long, \^-itli 5 

 prominent ridges, Punicle of seed dilated into a fleshy bilabiate, irregularly 

 cut arillus. 



(Jiiltivated on account of it^ fruit for ages in India and Burma, as tar north as 

 Lahore. Fl. Febr.-Aug. Fr. C. S. 2. A.' BilimM, Linn.; Bedd. FI. Svlv. t. 117. 

 Vern. Bllimhi^ Hind. Cnltivated and inn wild in tropical India. LeaHets oblonc:, 

 acxuninate, 6-14 pair. Fl. dark brownish purple, \ in, long, in panicl^^ on the old wood 

 of btem and brandies, inflorescence and calyx rusty pubescent. Fruit jellow, oblong, 

 slightly furrowed, seeds without arillus. 



Okder XXV. RUTACEiE. G-en. PL i. 27«. 



Shrubs or trees, a few genera herbaceouSj as a rule strongly aromatic. 

 Leaves alternate (except Evodia and MeJkope)^ compound or simple, dotte<l 

 with translucent glanclsj stipules none. Fl. regular, 4:-5-nierouM, rarely 3- 

 merouSj sepals free or connate. Stamens as a rule 4-5 or 8-10, filaments 

 usually free, inserted on the oxitside of an annular or cylindrical disk. Carpels 

 4-5, mostly connate. 



Cavities containing ethereal oil in the tissue of leaves, flowers and fruit as well as in 

 the bark, are an important character of thiboider, separating it from 2le!lac€tBnx\(\ other 

 allied orders. The ethereal oilb secreted into these cavities from the surroun<Iing 

 tissue cause the aromatic smell of most JRufacece ] in most cases they can readily be 

 seen as translucent glands. 



A. Unarmed, leaver opposite, leaflets entire, flowers polygamous. 



Stamens 4-5 1. Eyodia. 



Stamens 8 . . ... . , MiiLic(>i'L (p. 112). 



B. Unarmed, leaves imparipinnate. 



Styles short, persistent, leaflets 1-5, raielj^ 7 . .2. Glicosmis. 

 Styles deciduous, ovary linear, 2-celled . 3. Muiuiaia. 



Style deciduous, ovai"y 4-5-celled. 



Stamens 10, fllaments subulate . . . .4. Micromllt^m. 



Stamens 8 or 10, filaments dilated below the sub- 

 ulate tip 5. Clacse^sa, 



C. Unarmed, leaves 1-foliolate, flowers polygamous. 



Fl. 4-merous, stamens 8 . . ... 6. Acrokichia. 

 FL 5-merous, stamens 5 7. Skimmia. 



D. ^Mostly armed, leaves 3-foliolate or imparipinnate, petiole often winged. 



Ovules 1-2 in each cell. 



Stamens 3-8, flowers often unisexual . . 8. Zanthoxylt'm. 



Stamens 8-10, flowers bisexual . . , 9. Limonia. 



Ovules numerous in each cell. 



Leaves imparipinnate . ... 10. Feronia. 



Leaves trifoliolate . . . . .11. JEgle. 



E. Mostly armed, leaves 3-foliolate. 



Fl. unisexual 12. Tobdalia. 



FL bisexual. 



FL 3-merous, stamens 0, leaflets crenate . . Tiuphasia (p. 120). 



FL d-S'-merous, leaflets coriaceous, entire . . 13. Lu^t'NixA. 



F. Mostly armed, leaves 1-foliolate. 



Ovules 1-2 in each cell. 



Erect, fl. in racemes or corymbs, anthers oblong 



or ovate 14. Atalaniia. 



Often scandent, fl. solitary or fascicled . . 15. Pakamignya. 

 Ovules nn.merous in each cell 16. Oiteus. 



1. EVODIA, Forst. ; FL Brit. Ind. i. 487. 



Evergreen, mostly aromatic shrubs or trees. L. opposite, simple or 

 compound^ leaflets quite entire. Fl. small, polygamous, 4-5-merous, in 



