(78 ) 
4, Garrya.—Flowers amentaceous. Bracts 
decussate, connate in pairs. 4 flowers 
4-parted. Perigonium of ? flowers ru- 
dimentary. Styles 2. Fruit a berry. 
Tree. 
IV. Pentandria. 
1. Rhus.—Calyx 5-parted, persistent. Pet- 
aly 5. Stamens alternating with the 
petals. Ovary l-celled, 1-seeded. Styles 
3. Fruit adrupe. Tree. Shrub. 
2. Ptelea.—Calyx 5-parted, petals 5. Sta- 
mens alternating with the petals. Style 
1. Fruit a 2-seeded samara. Tree. 
3. Rhamnus.— Calyx 4-cleft. Petals 0. 
Stamens alternating with the partitions 
of the calyx. Fruit 2-4-celled, 2-4- 
seeded. Shrub. 
4. Vitis.—Calyx obsolete. Petals inserted 
on a disc, coherent at their apex, and 
deciduous at their base. Fruit baccate. 
5. Negundo.—Perigonium depauperate, 5- , 
eleft. Ovary 2-lobed, 2-celled. Fruit 
a 2-seeded samara. Tree. : 
6. Juniperus.— ¢é flowers amentaceous. 
Stamens adnate to the base of a scale. 
¢ flowers amentaceous. Ovules naked, 2 
adnate to the base of each bract. Fruit 
a galbulus. 
