APOPETALOUS DICOTYLEDONOUS AXGIOSPERMS 15 



Oki.kk XII. LINAGES. 



Herbs. Flowers perfect, regular in teniiiiial racemes or corymbs. 

 Ovary 5-4-celled, or .spuriously 10-8-cellecl. Cells l?-ovuled. Styles 

 :)-5, free. Fruit a globular capsule. Seeds Hat. 



Leaves sessile, eutire, simple, alternate, occasionally opposite. Calyx 5- 

 parted. Corolla, with 5 petals. Stamens 5. Styles 5, alternating. 



Flax, liinum. 

 Sepals 5. Petals 5, witli a scale on the inner side of base. Stamens 

 10-12. Leaves alternate. Flowers axillary. Frnit a drupe. Shrub. 



Coca, Erythroxylon. 



Order XIII. ZYGOPHYLLACE^. 



Trees, shrubs, and herbs. Flowers perfect, regular, or irregular, 

 axillary, solitary, or in twos. Fruit a loculicidal capsule, pentagonal, 

 5-celled. Cells 1-seeded. 



Leaves, opposite, pinnate, stipulate, sometimes with spines. Calyx 5-parted. 

 Petals 5. Stamens 5-10. 



Lignum- vitae, Guaiacum. 



Order XIV. RUTACE^. 



Small trees and shrubs. Flowers inferior or perigynous and fra- 

 grant. Sepals and petals imbricate, 4-5 in number. Fruit a berry. 

 Seed imbedded in juicy pulp. 



Leaves ovate, alternate, frequently dotted, tapering to a point on a winged 

 petiole. Calyx 5-sepaled. Petals 5-10, white. Stamens numerous, and some 

 multiple of 5. Filaments flat at base, grouped in sets. 



Orange, Lemon, Citrus. 



Order XV. MELIACE^. 



Trees. Flowers in axillary panicles or thjTses. Inferior. Sepals 

 and petals imbricate. Stamens united in a tube. Fruit pear-shaped, 

 woody, '] or 4 inches in diameter, 5-celled, 5-valved. Seeds numerous 

 and winged. 



Leaves alternate, compound, with 4 pairs of leaflets, dark-green, shining ; 

 leaflets opposite, entire, ovate-lanceolate, unequal at base. Calyx 5-cleft. 

 Petals 5. Stamens 10, united into a tube with 10 teeth inclosing the anthers. 

 Style short. Stigma 5-rayed. 



Mahogany, Swietenia. 



Order XVI. ILICINE^. 



Trees and shrubs. Flowers perfect, small. Solitary or grouped 

 in the axils of the leaves. 4-b-parted. Fruit a drupaceous berry, 

 bright red, small, smooth. 



Leaves alternate, oval, crenate. glos.sy, leathery, evergreen, darker above, 

 veined below. Calyx with 4 or 5 teeth. Corolla 4- or 5-eleft. wheel-shaped 

 Stamens 4 or .t. alternating with segments of corolla. 



Paraguay Tea, Ilex. 



