Embryo with broad cotyledons. Perianth-segments imbricate. Stigmas feathery. Upper flowers upon long stalks.--Species 20. Some of them yield timber, bast, tanning and dyeing materials, oil, medicaments, and edible fruits. “Nettle-tree.” =Celtis= L. FAMILY 53. MORACEAE Juice usually milky. Leaves stipulate. Flowers unisexual. Perianth simple or wanting. Stamens as many as and opposite the perianth-segments or fewer, 1-6. Anthers opening by longitudinal slits. Ovary 1-celled. Ovule 1, pendulous, inverted or curved, rarely erect and straight. Styles 1-2.--Genera 26, species 260. (Under _URTICACEAE_ or _ULMACEAE.)_ (Plate 31.) 1. Stamens of the male flowers bent inwards in the bud, subsequently bent backwards. Ovule pendulous. Leaves folded in bud. Stipules not leaving a stem-clasping scar. [Subfamily =MOROIDEAE=.] 2 Stamens of the male flowers straight from the beginning. 14 2. Flowers in lax cymes consisting of one female flower and several male ones. Perianth with a distinct tube. Stamens 4. Style 2-cleft. Trees. Leaves undivided.--Species 1. Madagascar. [Tribe FATOUEAE.] =Bleekrodia= Blume Flowers arranged in spike-raceme-or head-like inflorescences or collected upon flattened receptacles. 3 3. Flowers on flattened and more or less expanded receptacles, rarely in spike-like inflorescences; in the latter case, as usually, male and female flowers in the same inflorescence. Stamens 1-4, usually 2. [Tribe DORSTENIEAE.] 4 Flowers in spike-, raceme-or head-like, unisexual inflorescences (containing only male or only female flowers), rarely female flowers solitary. Stamens 4. Trees or shrubs. 7 4. Flowers in false spikes containing male and female flowers or male ones only. Perianth 4-partite. Stamens 4. Trees. Leaves undivided.--Species 1. East Africa. =Sloetiopsis= Engl. Flowers on flattened receptacles. 5 [Illustration: MORACEAE. _FLOW. PL. AFR._ _Pl. 31._ J. Fleischmann del. Dorstenia elliptica Bureau _A_ Plant in flower. _B_ Inflorescence. _C_ Inflorescence cut lengthwise. _D_ Young male flower. _E_ Older male flower. _F_ Female flower cut lengthwise.] [Illustration: URTICACEAE. _FLOW. PL. AFR._ _Pl. 32._ J. Fleischmann del. Fleurya aestuans Gaudich. _A_ Flowering branch. _B_ Male flower. _C_ Older female flower. _D_ Pistil cut lengthwise. _E_ Fruit cut lengthwise.] 5. Inflorescences unisexual, the lateral containing many male flowers, the middle one a single female flower. Receptacle covered on the outside by imbricate bracts. Male flowers with a 3-4-partite perianth and 3-4 stamens. Female flowers without a perianth. Trees or shrubs. Leaves undivided.--Species 2. Central Africa. =Mesogyne= Engl. Inflorescences bisexual, containing many male flowers and one or several female ones, usually provided with bracts on the margin only. Perianth 2-lobed or wanting. Stamens 2, rarely 1 or 3. 6