680 cxxii. EUPHORBiACE^ (HUTCHINSON ). [Centroplo&us. 



trifid, densely villous. Female inflorescence subracemose, 2-3 in. long, 

 puberulous. Calyx cupular; lobes rounded, short, puberulous outside. 

 Disk saucer-shaped, fleshy, 5-lobed, lobes rounded. Staniinodes very 

 small, rounded, glabrous. Ovary ovoid, densely puberulous or tomen- 

 tellous ; styles short, subulate, entire. Entire capsule not seen ; exocarp 

 slightly bony, tomentellous outside ; endocarp thin, shining inside. 

 Seeds ellipsoid. If lin. long, 1^ lin. broad, black and shining. — Gilg in 

 Engl. Jahrb. xl. 516, fig. 3. Microdesmis panicidata, Pax in Engl. 

 Jahrb. xxviii. 25, and in Engl. Pflanzenr. Euphorb.-Cluytieae, 108. 



Upper Guinea. Cnmeroons: Bipinde, Zenker, 1157! 1743! 1761! 1775! 

 2030! 2966! 3016! 3109! 3331! 3374! 3478! 



lower Ouinea. Gaboon, Klaine, 1232! Spanish Guinea: Weyii Oko, 

 Tessmann, 676 ! 



Pax, not having seen female flowers, placed tliis species in Microdesmis, of the 

 tribe Qalearieee. The genera in this tribe, however, have always a solitary ovule in 

 each cell. 



17. AMANOA, Aubl. ; Benth. et Hook. t. Gen. PI. iii. 268. 



Flowers moriCBcious. Petals present. Male flowers : Sep.-ils 5, inibri- 

 cate. Petals 5, short, scale-like. Disk short. Stamens 5, inserted 

 within the disk; filaments free, thick, short or at length elongate; 

 anthers thick, dehiscing longitudinally. Rudimentary ovary present, 

 3-lobed. Female flowers: Sepals as in the male. Petals sometimes 

 obsolete. Ovaty subglobose, 3-celled ; stigmas 3, sessile, thick, discoid. 

 Ovules 2 in each cell. Capsule separating into 2-valved cocci. Seeds 

 solitary by abortion, shining, attached by their inner face ; testa crus- 

 taceous ; albumen thin or 0. Cotyledons thick, pulpy ; radical short. 

 — Trees or shrubs, glabrous. Leaves alternate, coriaceous, entire. 

 Stipules adnate to the petiole, coriaceous. Flowers in terminal or axil- 

 lary solitary or spicate clusters ; males several, females solitary in each 

 head ; bracts coriaceous. 



About 12 species, from Madagascar, West Indies, and Tropical South Americ i. 

 Leaves rounded, obtuse, and very slightly emarginate 



at the apex 1l. A. Schweinfurthii. 



Leaves acuminate. 



Flower-clusteis spicate . . . . . . 2. A. hracteosa. 



Flower-clusters solitary . . , . . . Z. A. strohilacea. 



1. A. Schweinfixrthiiy Baker d: Hutchinson in Kew Bulletinj 

 1910, 56. A shrub about 10 ft. high, glabrous in all parts. Branches 

 stout, longitudinally grooved ; flowering branchlets somewhat purple 

 and glaucous. Leaves oblanceolate or oblong-elliptic, rounded and 

 slightly emarginate, acute at the base, 3-4 in. long, f-lf in. V)road, 

 subcoriaceous, shining above, glaucous below; lateral nerves 12-14 on 

 each side, arcuate, slightly elevated below ; veins lax and scarcely 

 raised ; petiole smooth or slightly wrinkled, broadly channelled on the 

 upper side; stipules obliquely and broadly ovate, 2 lin. broad at the 

 base, IJ lin. long, coriaceous, doubly keeled on the back. Flowers 

 fasciculate, axillary, arranged on short lateral leafy branchlet*^. Bractn 



