213- GESNERACEAE — 214. LENTIBULARIACEAE 5OI 



1. Fruit linear, loculicidal or follicular. Disc equal-sided, sometimes in- 



distinct 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 STREPTOCAR- 



PEAE.] Streptocarpus Lindl, 



Fruit not twisted. — Species 5. West Africa and Madagascar. (Roetilera 

 Vahl, including Tr achy stigma C. B. Clarke) [Tribe DIDYMOCAR- 

 PEAE.] Didymocarpus Wall. 



3. PYuit 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 



i-celled, glandular-hairy. Stigma entire. Stem creeping. Leaves 



alternate. — Species i. East Africa Linnaeopsis Engl. 



Corolla blue or violet, cleft. Disc equal-sided. Anthers ovoid or sub- 

 globose. 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 i-celled. Ovary superior, i-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. 



