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56b) Shrubs or small trees, rarely vines; fruit a drupe or capsule; calyx plainly 4 or 5-parted; petals sometimes wanting.
Buckthorn Family, RHAMNACEAE
Fig.365. a) Ceanothus americanus h., New Jersey Tea. The small white flowers are attractive, b) Rhamnus carollnlana Walt., Carolina Buckthorn.
The flowers of the New Jersey Tea are white and very soft. They attract large numbers of Insects so that the insect collector does well to know this plant.
57a) Ovary with only 1 cell. Figs. 366 to 374.
57b) Ovary with 2 or more cells. Figs. 375 to 402.
58a) Ovules or seeds attached to walls of ovary (parietal placenta). Fig. 366a
58b) Ovules or seeds attached at base or
center of ovary (central placenta). Fig. 366b
58c) Usually but one ovule in a one-celled ovary (rarely more than 1-cell but then with one ovule to each cell). Trees or shrubs with resinous bark or milky sap.
Cashew Faulty, ANACAROIACEAE
Fig.367. a) Rhus toxlcodendronL., Poison Ivy; b) Rhus glabra L., Smooth Sumac.
It is of vital importance for every nature lover to recognize Poison Ivy.
59a) Stamens with filaments united. See Fig. 352.
Hallow Family, MALVACEAE
59b) Stamens on separate filaments. Figs. 368 to 372
6Oa) Fertile stamens 5; with numerous sterile stamens (stamlnodia) at base of each petal.
Grass-of-Parnassus Family, PARNASSIACEAE
Fig.368. Parnassla carolin1iana Michx., Grass-of-Parnassus.
In bogs and moist soil. Flowers greenish white.
60b) All stamens fertile. Figs. 369 to 372
61a) Leaves with gland-tipped sticky hairs for catching insects.
Sundew Family, DROSERACEAE
Fig.369. Drosera rotundifolia L., Round-leaved Sundew.
In bogs; widely distributed. These small fragile plants are likely to prove disappointing to one who has studied about them, when they are seen, for the first time. The insects they catch are usually tiny ones. There are several species.
61b) Leaves not for catching insects. Figs. 370 to 372
62a) Leaves with black or transparent dots; entire or scale-like.
St. John's-wort Family, HYPERICACEAE
Fig.370. a) Triadenum virpilnicum L., Marsh St. John's-wort. Flowers reddish-purple; stamens in 3 sets of 3 each; b) Sarothra gentianoides L., Orange Grass.
Grows in sandy soil.
62b) Leaves not dotted. Figs. 371 and 372
63a) Corolla irregular; flowers pansy-shaped.
Violet Family, VIOLACEAE
Fig.371. a) Viola pedata L., Bird's-foot Violet; b) Viola striata Ait., Pale Violet.
Violets are favorites everywhere. The pansy belongs to this same family.
63b) Corolla regular; sepals and petals 3 or 5.
Rock-rose Family, CISTACEAE
Fig.372. Lechea tenulfolia Michx., Narrow-leaved Pin-weed.
The flowers are a purplish-red. The species is widely scattered east of the Missouri River.
64a) Herbs with opposite or whorled, usually entire leaves; stems
usually swollen at the joints.
Pink Family, CARYOPHYLLACEAE
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