Evodia.] 



XXXI. RUTACE^. 



341 



Stamens 8, 4 perfect, 4 imperfect 

 Leaves alternate often thorny; shrubs; seeds 

 globose ....... 



Fruit indehiscent. 



Trees or shrubs unarmed. 



Trees ; petals valvate 4 ; drup« large 4-celled ; 

 leaves simple ...... 



Shrubs; leaves i-to 5-foliate; petals very small 



imbricate ; berry small i to 3 seeds 

 Shrubs; leaves pinnate or simple. 



Leaves hairy ; petals valvate ; drupe small 

 Leaves glabrous ; petals imbricate ; drupe 

 small ....... 



Shrubs or trees glabrous. 



Flowers rather large ; leaves thinly coriaceous ; 



fruit a berry. Leaves 3- to 8-foliate . 

 Flowers large ; leaves pinnate ; rachis winged ; 

 fruit an orange ..... 



Climbers, spiny ; leaves trifoliate 

 Trees, usually spiny ; leaves unifoliate ; fruit an 

 orange. 

 Stamens 8 to 10. 



Anthers linear-oblong ; disc cylindric . 

 Anthers ovate-oblong; disc cupular. 

 Stamens 20 to 60 insert round a large cupular 

 disc ....... 



Tree, spiny ; leaves imparipinnate ; fruit large 

 globose with woody rind .... 



3. Tetractomia 



4. Zanthoxylum 



5. acronychia 



6. Glvcosmis 



7. MiCROMELUM 



8. Clausena 



9. MURRAYA 



10. Merrillia 

 ii. luvunga 



12. Paramignya 



13. Atalantia 



14. Citrus 



15. Feronia 



1. EVODIA, Forst. 



Trees or shrubs. Leaves opposite 3-foliolate, rarely i-foliolate, 

 entire. Flowers small, white rarely pink, unisexual or bisexual, 

 in panicled axillary cymes. Sepals 4 or 5 imbricate. Petals 

 4 or 5 valvate or sub-imbricate. Stamens 4 or 5 ; filaments subu- 

 late ; anthers oblong. Ovary 4-lobed, 4-celled ; ovules 2 in a cell. 

 Fruit of 2 to 4 coriaceous cocci ; endocarp horny elastic, splitting 

 along the inner edge. Seeds i or 2 in a coccus, testa bony or 

 coriaceous, black shining, albumen fleshy. Species about 25, from 

 Mascarene Islands to tropical Asia and Australia. 



h^ 



Leaves trifoliate. 



Softly tomentose beneath .... 



,' Glabrous. Leaflets obovate; cymes rather 

 large; cocci '2 in. long. 

 Leaflets thin acuminate ; bush or small tree . 

 Leaflets coriaceous large, tip round ; small 

 tree ...... 



Leaflets coriaceous ; tall tree 60 to 70 ft. tall 

 Leaves glabrous, coriaceous; cocci '4 in. lon_ 

 Leaves glabrous, thin ; flowers in globular 

 heads ...... 



Leaflets very coriaceous, pubescent beneath 

 Leaflets unifoliate ..... 



(i) E. latifolia 



(2) E. malayana 



(3) 

 (4) 

 (5) 



E. glabra 

 E. robusta 

 E. macrocarpa 



(6) E. pilulifera 



(7) E. pachyphylla 



(8) E. simplicifolia 



