Xlvi CLASSES, DIVISIONS, AND OEDEKS. 
59. Verbenacece. Cor. scarcely 2-lipped (in our plant). 
Stam. didynamous. Ovary 2 — 4-celled. Style terminal. 
Fr. a capsule dividing into 4 nuts 337 
60. Lentibulariaceuf. Cor. 2-lipped. Stam. 2. Caps. 
1 -celled, 2-valved ; placenta free, central; seeds many. — 
Floating plants 337 
61. Frimulaceoe. Cor. regular. Stam. 5, rarely 4 or 7, 
opposite the petals. Caps, opening by 5 — 10 valves at 
the top, or by a deciduous cap ; placenta central ; seeds 
many. Style 1 339 
62. Plumhaginacece. Cor. regular, 5-fid, or rarely 5 
free petals. Stam. 5,' opposite the petals. Fr. a 1-seeded 
utricle. Styles 5 344 
**** Cor. and stam. hypogynous. 
63. Plantaginacece (in part). The genus Littorella 
with monoecious fl., fem.-cal. 3-parted, cor. urceolate 347 
Division 4. MONOCHLAMYDE.E. 
64. Amaranthacea\ Monoecious. Perianths— 5-parted, 
scarious, persistent, inferior. Stam. opposite perianth- 
segments. Caps. 1-seeded, not bursting. Style 0 ; stig. 
1 or more '. 349 
65. Chenopodiace(jt. Monoecious or jierfect. Perianth 
3 — 5-parted, herbaceous, persistent, inferior. Stam. op- 
posite perianth-segments. Caps. 1-seeded, not bursting. 
Styles 2 or more 349 
66. Pob/gonacect'. Usually with perfect flowers. Peri- 
anth 3 — 6-parted, herbaceous, or petal-like, inferior. 
Stam. 5—8, perigynous or hypogynous, opposite perianth- 
segments. Caps. 1-seeded, not bursting. Styles several. 
— Nut often enclosed in enlarged perianth. Stipules 
ocreae 356 
67. Uheagnaceui. Dioecious. Male perianth 4-parted, 
female tubular with 2— 5-toothed limb. Stam. alternate 
with perianth-segments, or twice as many, perigynous. 
Caps, crustaceous enclosed in persistent inferior perianth. 
—Shrub 364 
68. Thi/melaceai. Perianth tubular, 4 — 5 -lobed, inferior. 
Stam. 8 in our plant, on the tube. Ovary 1-celled, with 
1 pendulous ovule. Fr. a nut or drupe. — Small shrubs... 364 
