1044 APPENDIX. 
Order Parietales. 
Herbs, shrubs, or trees; leaves opposite or alternate. Flowers usually 
complete, perfect and regular, but irregular in Violaceae. Sepals distinct 
or more or less united. Petals free, but sometimes absent. Stamens 
generally numerous. Ovary compound, usually superior; placentas 
generally parietal. 
68. Guttiferae. Herbs, shrubs, or trees; leaves opposite or whorled, 
often gland-dotted. Flowers hermaphrodite or unisexual. Sepals 4-6, 
imbricate in bud. Petals the same number. Stamens numerous, free or 
polyadelphous, Ovary 3-5-celled ; ovules numerous ; styles 38-5. (p. 567.) 
69. Elatinaceae. Herbs or small shrubs, often aquatic; leaves 
opposite, stipulate. Flowers regular and hermaphrodite. Sepals 2-5. 
Petals the same number. Stamens equal in number to the petals or twice 
as many. Ovary 2-5-celled; ovules many; styles 2-5. (p. 568.) 
70. Violaceae. Herbs or shrubs or small trees; leaves alternate, 
stipulate. Flowers regular cr irregular. Sepals 5. Petals 5, the anterior 
one often spurred. Stamens 5, alternate with the petals, hypogynons, 
connivent into a ring surrounding the ovary; connective usually dilated 
above the anther-cells. Ovary free, 1-celled, with 3-5 parietal placentas. 
(p. 569.) 
71. Passifloraceae. Usually scandent shrubs with lateral tendrils - 
leaves alternate, simple or compound, usually palmately-lobed. Flowers 
regular, hermaphrodite or unisexual. Calyx-lobes 4-5. Petals 3-5, often 
with a crown of filaments at their base. Stamens usualiy the same number 
as the petals. Ovary superior, free, elevated on a stalk or gynophore. 
Fruit succulent or. coriaceous; seeds many. (p. 576.) 
Order Myrtiflorae. 
Trees, shrubs, or herbs; leaves various. Flowers usually with both 
calyx and corolla, but in some families (7hymelaeaceae and its allies and some 
species of Haloragidaceac) the flowers are apetalous. Calyx-lobes 2-5. 
Petals (when present) 2-5, usually epigynous. Stamens few or many. 
Ovary compound, usually inferior, 2—5-celled, 
72. Thymelaeaceae. Shrubs or rarely herbs; bark tough and stringy : 
leaves opposite or alternate. exstipulate. Flowers hermaphrodite or poly- 
gamous. Perianth petaloid, tubular, 4-5-lobed. Stamens 2-4, inserted 
on the perianth-tube. Ovary 1-2-celled, ovules solitary in each cell, 
pendulous. (p. 577.) 
73. Myrtaceae. Trees or shrubs; leaves opposite or alternate, 
ex-stipulate, usually gland-dotted. Flowers regular and hermaphrodite. 
Calyx-lobes 4-5, valvate or imbricate. Petals the same number, epigynous. 
Stamens numerous. Ovary inferior, or half-inferior ; l1—many-celled ; 
ovules few or many in each cell. (p. 587.) 
74. Onagraceae. Herbs or more rarely shrubs or trees: leaves opposite 
or alternate, exstipulate. Flowers regular and hermaphrodite. Calyx- 
lobes valvate. Petals 2-4, epigynous, contorted in bud. Stamens 2, 4, 
or 8. Ovary inferior, 2—4-celled, ovules numerous in each cell. Fruit 
usually capsular or berried. (p. 598.) 
