458 PYROLACEAE 
Ovary inferior, the calyx adhering to it; the summit of the 
stamens with two prominences,—“ two horned.” Fruit a 
berry sk =u SOA Sete were cena VACCINIACEAE 
Ovary superior; low tufted shrubs; stamens 5, arising from 
the throat of the corolla and alternate with the lobes 
By gt gt bhag, Cec eRk 8 Tia hoe on oe en DIAPENSIACEAE - 
Famity I.—CLETHRACEAE. Wuire Auprer Famity 
Our only species a shrub. Flowers regular; sepals 5; petals 5. 
Leaves alternate, with serrate borders and with leaf-stalks, falling 
in autumn. Flowers in long slender clusters (II, p. 37), white. 
Stamens 10. Ovary 3-angled, 3-celled, with numerous ovules. 
CLETHRA, L. 
Characters, those of the family. 
C. alnifolia, L. (Fig. 3, pl. 115.) Wutre Atper. Shrub, 3 to 10 ff. 
high; leaves pear-shaped, with sharply toothed borders, except toward the 
base. Wet places, mostly near the coast. July-Aug. 
Famity I]—PYROLACEAE. WINTERGREEN FAMILY 
Perennial herbs, low, with long branching root-stocks. Flowers 
regular, with stamens and pistils; calyx of 4 or 5 divisions, equal 
to the divisions of the corolla. Stamens twice as many as the 
lobes of the corolla. The anthers without horns. Style short or 
long and slender; often bent toward one side. Capsule 4- or 
5-celled. seeds numerous, very small. 
Flowers in tall slender spikes (I, p. 37) . . . . «. Pyrola 
Flowers solitary uP 2 wow.» TS 
Flowers few in a loose ane ike dlaeter . . .  Chimaphila 
1.) PYROLASL:. 
Low herbs, with the leaves crowded at base. Roots branching at base. 
Flowers on a slender spike. Corolla of 5 lobes or divisions. Calyx of 5 
sepals. Flowers nodding (in case of No. 1, ascending); the pistil in most 
eases doubly curved and the stamens leaning toward the outer side of the 
corolla. Capsule nearly globular, but compressed, 5-lobed.- 
Flowers White or Greenish 
Style with a double curve, stamens leaning to one (the a bak side of the corolla. 
Petals lance-shaped and sharply pointed. . . . . « « WP. oxypetaia 
Petals broad, obtuse at apex. 
Leaves shining o 42 | ene Ose Niet Seems Le We (ive ene 
Leaves dull green. 
Leaf-blades hares etic shorter than the leaf-stalk 
Satsy Sa aM taco >. 66 Pe chloro 
