DIVISION INTO FAMILIES AND GENERA. 43 
5] Husk not dividing naturally. Watnur and Burrernur. IV. 1. 
°? Husk of the fruit dividing naturally. Hickory. IV. 2. 
( Bark of thin, tough, horizontal fibres; aments simple; scale of the fer- 
52 { tile catkins 3-flowered. Bircu. V. 1. 
’’) Bark not of tough fibres; aments on branched stalks; scale of the fer- 
| tile catkins 2-flowered. Aupser. V. 2. 
53 Leaves lance-shaped, serrate. Wax Myrtieand Sweet Gaus. VI. 1. 
2 Leaves sinuate-pinnatifid. Sweer Fern. VI. 2. 
5A Stamens 8—30, or more; leaves 3-angled or roundish. Pornar. VIII. 1. 
" @ Stamens 2—7; leaves mostly long, slender. Wintow. VIII. 2. 
Floweis perfect ; fruit asamara. Exum. X. 1. 
55.4 Flowers sterile, or perfect, on one or different trees ; fruit a drupe. Ner- 
TLE TREE. X. 2. 
[ Anthers 4-celled; fruit-stalk fleshy ; leaves often 3-lobed. Sassarras. 
XII. 1. 
56.4 Anthers 2-celled; fruit-stalk not fleshy; leaves entire. Benzorn. 
{ XT. 2. 
Leaves thorny, leathery, evergreen. Hotty. XVI. 1. 
Leaves unarmed; petals 4—5, distinct; stamens 4—5. Nemopanruus. 
57. XVI. 2. 
Leaves unarmed ; petals united, mostly 6-parted; stamens 4—6. Wun- 
rer Berry, Prinos. XVI. 3. 
Flowers in globular heads. Butron Busu. XVII. 1. 
Flowers 2 on each double ovary; berry of 2 united ovaries. PartrincE 
Berry, Mircuetsa. XVI. 2. 
58 
Stamens 5. 60. 
Stem not woody. Drupe 3-celled, 3-secded. Feverwort. XVIII. 2. 
Stem woody. Berry 2—3-celled, few-seeded ; flowers two-fold, or in 
whorls. Honeysuckie, Lonicora. XVII. 3. 
Stem woody. Berry 2-celled, many-seeded. Busy Honeysucniz, D1- 
{| ervitua. XVII. 4. 
| 
59 5 Stamens 4, Trailing, evergreen. Twin Fuower, Linnza. XVII 1 
w 
61 Leaves pinnate. Exper. XIX. 1. 
*? Leaves simple. Visurnum, XIX. 2. 
62 Petals united. 63. 
* 2 Petals distinct or nearly so. 70. 
Corolla somewhat funnel-shaped or bell-shaped. 64. 
63. < Corolla salver-shaped. 65. 
Corolla ovoid. 66. 
64 Stamens 5 or 6. Azatea. XX. 9. 
*) Stamens 10. Ruopoprnpron. XX. 9. 
65 Anthers resting in 10 cavitiesof the corolla. Kanmta. XX. 10. 
4 Anthers free, calyx double. May Furower, Erica. XX. 6. 
Fruit a berry, formed of the fleshy calyx. Cuzquer-erry. XX. 7. 
66.4 Fruit a drupe, formed of the ovary, 5-seeded. Brar-serry. XX. 8. 
Fruit a 5-celled, 5-valved capsule. 67. ANDRomEDA Tripz. AX. 1. 
gy, § Anthers ending in awns or bristles. 68. 
* 2 Anthers not ending in awns. 69. 
