2iq. RUBIACEAE — 220. CAPRIFOLIACEAE 533 



154. Flowers 5-merous. Corolla shortly funnel-shaped. Anthers included. 



Style 2-cleft. Fruit opening locuhcidally at the apex. Herbs. Stipules 

 entire or toothed. Flowers in lax cymes. — Species i. Tropical 

 and South-east Africa. (Under Oldenlandia Plum.) Pentodon Höchst. 

 Flowers 4-merous, very rarely 5-merous, but then solitary or in pairs 

 or style simple ic«^ 



155. Fruit opening by a lid, few-seeded. Flowers 4-merous. Corolla rotate. 



Placentas globose, with 3 — 4 ovules. Undershrubs. Flowers in 

 terminal fascicles. — Species i. Northern East Africa (Somaliland). 



Mitratheca K. Schum. 



Fruit opening lengthwise or remaining closed. — Species 120. Some of 



them yield vegetables, dyes, or medicaments. (Including Hedyotis L. 



and Pentanopsis Rendle) Oldenlandia Plum. 



FAMILY 220. CAPRIFOLIACEAE 



Leaves opposite. Flowers hermaphrodite. Sepals 5, united below. Petals 

 5, united below. Stamens 5, inserted on the corolla. Ovary inferior. Ovules 

 axile, pendulous. Fruit a berry or a drupe. Seeds with a straight embryo 

 and fleshy albumen. — Genera 4, species 15. North and East Africa. (Plate 



I45-) 



1. Ovary i-celled when fully developed. Ovule i. Style very short, 3- 



parted. Anthers turned inwards. Flowers in corymbs, regular, 

 at least the inner ones. Fruit a drupe with a i -seeded stone. Shrubs 

 or trees. Leaves entire, toothed, or lobed. — Species 4. North Africa. 

 They yield timber and medicaments or serve as ornamental plants, so 

 especially the guelder-rose (F. Opulus L.) and the laurustinus (F. tiniis 

 L.) ; the latter has posionous fruits. (Plate 145.) [Tribe VIBUR- 



NEAE.] Viburnum L. 



Ovary 2 — 5-celled. Ovules 2 or more. Fruit a drupe with 3 — 5 stones 

 or a several-seeded berry 2 



2. Ovary with i ovule in each cell. Style very short, 3 — 5-parted. Anthers 



turned outwards. Corolla rotate. Flowers regular, in panicles or 

 corymbs. Fruit a drupe. Leaves pinnately dissected. — Species 4. 

 North and East Africa ; one species (5. nigra L.) only naturalized. The 

 latter yields wood, pith, oil, edible fruits, and medicaments ; another 

 species is poisonous. " Elder." [Tribe SAMBUCE.\E.] Sambucus L. 

 Ovary with 2 or more ovules in each cell. Style long. Anthers turned 

 inwards. Flowers more or less irregular. Fruit a berry. Leaves 

 entire, toothed, or lobed. Shrubs. [Tribe LONICEREAE.] . . 3 



3. Ovary 2 — 3-celled. — Species 6. North-west Africa. Some are used as 



ornamental or medicinal plants. " Honeysuckle." . . Lonicera L. 



Ovar3^ 5-celled. Fruit manv-seeded. — Species i. Naturalized in the 



Azores. An ornamental plant Leycesteria Wall. 



