Tannodia.^ cxxii. euphohbiace^ (prain). 827 



recurved, glabrous, 2-partite. Capsule 3-coccous ; cocci 2-valved. Seeds 

 ovoid ; testa crustaceous, dull ; albumen firmly fleshy ; cotyledons broad, 

 flat. — Shrubs or trees. Leaves alternate, petioled, generally 3-5-nerved 

 at the base, midrib thereafter penninerved, margin entire or casually 

 faintly B-lobed. Flowers small or very small, in straight terminal sub- 

 spicate racemes, bracteate and bracteolate ; pedicels articulate ; in both 

 sexes usually 2, less often 8 or more, rarely solitary to a bract. — HolstiUj 

 Pax in Engl. Jahrb. xliii. 220. 



Species 4 ; three in Tropical Africa, one in the Mascavene Islands. 

 Tall trees ; petals always longer than the sepals ; pedicels 



longer than the calyx ; flowers 1-2 to a bract . . I. T. Swynnertonii. 

 Slirubs ; petals always shorter than the sepals. 



Pedicels longer than the calyx; flowers 1-2 to a bract 2. T. tenuifolia. 

 Pedicels sliortcr than the calyx ; flowers 3 or more to a 



bract . . . . . . . . . 3. jT. sessUifiora. 



1. T. Swjrnnertonii, Prain in Journ, Bot. 1912, 127. A tall tree 

 with a fluted trunk and a hard durable timber ; twigs glabrous. Leaves 

 distinctly petioled, firmly membranous, ovate or ovate-lanceolate, some- 

 what abruptly narrowed below the obtuse apex, base wide-truncate or 

 cuneate, margin somewhat undulate, rarely quite entire, 2^-4 in. long, 

 1|-2| in. wide; nerves 4-5 on each side, the lowest pair quite basal; 

 medium green above, paler beneath, glabrous ; petiole glabrous, J-| in. 

 long ; stipules caducous, ovate, obtuse, \ in. long. Flowers in subspicate 

 peduncled racemes terminating the leafy twigs, male racemes up to 8 in. 

 long, female 3-4 in. long ; males usually 2 to a bract, females usually 

 solitary, less often 2 to a bract, the latter developed of the two in female 

 racemes being occasionally a male ; male pedicel 2 liii. long, female 

 pedicel up to 5 lin. long ; bracts ovate, coriaceous, 1 lin. long ; bracteoles 

 oblong, membranous, nearly as long. Male : Calyx globose, closed in 

 bud, splitting into two valvate segments, slightly pubescent outside. 

 Petals 4, orbicular, imbricate, rather larger than the sepals, below 

 pubescent on the inner face with long viscid hairs. Stamens 7-8, 

 4 outer, surrounded by a ring of large fleshy glands alternate with the 

 petals and the filaments of the outer series ; filaments considerably longer 

 than the anthers. Female calyx subglobose, smaller than the male ; 

 lobes triangular, pubescent externally. Petals orbicular, 3-4 times 

 larger than the calyx-lobes. Ovary densely tawny-tomentose. Capsule 

 3-coccous. Seeds large, ovoid, brown ; testa dull, — Croton Swynnertonii^ 

 S. Moore in Journ. Linn. Soc. Bot. xl. 194. 



Mozamb. Blstr. Gjizalnnd : Chirinda Forest, 3700-4000 ft., Swynnerton, 

 109! 6519! 



2. T. tenuifolia, Prain in Journ. Bot. 1912, 128. A shrub, 7-10 ft. 

 high, wood soft, twigs pubescent. Leaves distinctly petioled, membranous, 

 ovate, shortly and abruptly acuminate, base rounded, margin entire or 

 casually unequally 3-lobed, 2|-3 in. long, 1 J-2 in. wide ; nerves 3-4 on 

 each side, the lowest pair quite basal, dark green above, paler beneath, 

 sparingly pubescent above, more densely pubescent, sometimes almost 



