J. Fleischmann del.
Streptocarpus Cooperi Clarke
A Whole plant. B Flower laid open. C Anther (from front and back). D Cross-section of ovary. E Fruit.
1. Fruit linear, loculicidal or follicular. Disc equal-sided, sometimes indistinct. 2
Fruit oblong, ovate, or globose. Disc one-sided, rarely (Saintpaulia) equal-sided. 3
2. Fruit twisted.—Species 50. Tropical and South Africa. Some are used as ornamental plants. (Plate 140.) (Tribe STREPTOCARPEAE.) Streptocarpus Lindl.
Fruit not twisted.—Species 5. West Africa and Madagascar. (Roettlera
Vahl, including Trachystigma C. B. Clarke). [Tribe DIDYMOCARPEAE.] Didymocarpus Wall.
3. Fruit globose, opening transversely. Calyx shortly toothed. Corolla blue or white. Posterior stamens fertile. Inflorescence capitate.
Leaves few.—Species 2. West Africa. [Tribe BESLERIEAE.] Epithema Blume
Fruit ovate or oblong, opening lengthwise. 4
4. Fruit loculicidal or follicular. Leaf single.—Species 2. West Africa.
(Including Carolofritschia Engl.) [Tribe KLUGIEAE.] Acanthonema Hook. fil.
Fruit septicidal. Leaves several. [Tribe RAMONDIEAE.] 5
5. Corolla white, lobed. Disc one-sided. Anthers oblong. Ovary completely
1-celled, glandular-hairy. Stigma entire. Stem creeping. Leaves alternate.—Species 1. East Africa. Linnaeopsis Engl.
Corolla blue or violet, cleft. Disc equal-sided. Anthers ovoid or subglobose.
Ovary incompletely 2-4-celled, hairy. Stigma 2-lobed.
Stem erect or ascending. Leaves opposite or all radical.—Species 4.
East Africa. Some are used as ornamental plants. Saintpaulia Wendl.
[FAMILY 214.] LENTIBULARIACEAE
Rootless herbs with pitcher-leaves. Flowers solitary or in spikes or racemes, irregular, hermaphrodite. Calyx 2-or 5-parted. Corolla of united petals, 2-lipped, spurred or saccate. Stamens 2, attached to the base of the corolla. Anthers 1-celled. Ovary superior, 1-celled, with a free central placenta. Ovules several or many, inverted. Stigma sessile, entire or unequally 2-lobed. Fruit a 3-many-seeded capsule. Seeds exalbuminous.—Genera 2, species 65. (Plate 141.)
Calyx subequally 5-partite. Land- or marsh-plants. Pitcher-leaves tubular with two spirally twisted arms. Flowers in few-flowered racemes, with
2 bracteoles each.—Species 3. South Africa and southern Central
Africa. Genlisea St. Hil.
Calyx 2-partite or of 2 free sepals. Pitcher-leaves bladder-like, ovoid or globose.—Species 60. Some of them are used as ornamental, medicinal, or dye-plants. “Bladderwort.” (Plate 141.) Utricularia L.
[FAMILY 215.] GLOBULARIACEAE
Shrubs. Leaves alternate, undivided, without stipules. Flowers in heads or spikes, irregular, hermaphrodite. Calyx 5-cleft. Corolla 2-lipped, 5-lobed, usually blue. Stamens 4, in two pairs of unequal length, attached to the corolla. Staminodes none. Anthers turned inwards, 2-celled, opening by a transverse slit. Disc present, usually gland-like. Ovary superior, 1-celled. Ovule 1, pendulous, inverted. Style simple; stigma entire or 2-lobed. Fruit dry, indehiscent. Seed albuminous; embryo straight, the radicle turned upwards.—Genera 3, species 6. North Africa, Cape Verde Islands, and Socotra. (Under SELAGINEAE.)