Dinophora. | LVII, MELASTOMACEE (HOOKER). 445 
cordate, membranous, sharply ciliate-serrulate. Flowers in lax, ter- 
minal, spreading panicles; pedicels long, slender; bracts minute. 
A single species. 
1. D. spenneroides, Benth. in Fl. Nigr. 355. Stem 3-5 ft., base 
woody, much branched ; branches herbaceous, 4-gonous, usually elan- 
dular-ciliate at the nodes. Leaves unequal, 2-4 in., acute or acuminate, 
5-7-nerved, with a few scattered cilia above ; petiole of one leaf usually 
+in., of the other about twice as long. Panicle with very slender, 
divaricating branches, floriferous at the tips and axils; pedicels 4—1 in. ; 
bracts subulate. Calyx }in., smooth, mouth rather contracted. Ovary 
included, 
Upper Guinea. Fernando Po, Fl. Nov.—Dec., Vogel! 
6. TRISTEMMA, Juss.; Benth. et Hook. f. Gen. Plant. i. 746. 
Calyx ovoid or oblong, glabrous, naked, or with 1 or more rings of 
bristles ; lobes 5, persistent, reflexed. Petals 5, obovate. Stamens 10, 
equal or subequal ; anthers all similar, narrowly linear-oblong, pore 1 ; 
cells undulate ; connective not or very shortly produced at the base, 
where it is 2-tubercled in front. Ovary half-adherent, 5-celled, top 
setose ; style filiform, curved, stigma simple. Capsule or berry burst- 
ing irregularly, rarely 5-valved at the top. Seeds minute, cochleate.— 
Shrubs, erect’ or prostrate, branched, often setose, branches 4-angled. 
eaves petioled, elliptic or ovate or acute, quite entire, 5—7-nerved. 
lowers sessile, terminal, 1-3, or many panicled; bracts many, large ; 
enclosing the flower and fruit, very persistent. 
An African genus, also found in Madagascar. 
Flowers solitary, 
laggy, with spreading hairs 
es ac 
Strigose, with scattered appressed hairs . 2. 
Owers capitate, 
Strigosé, with scattered appressed hairs . . . . . - + « 3. ZT. Schumacheri. 
aggy, with appressed hairs Bue os ae . 4. TL. hirtum. 
T. involucratum. 
. coronatum. 
1. T. involucratum, Benth. in Fl. Nigr. 854. Procumbent, dif- 
fusely branched, crinite or hirsute with spreading or recurved, flexuous, 
Stout hairs or bristles, especially on the branches. Leaves 13-3 in. by 
—1} in., elliptic or elliptic-ovate or lanceolate, acuminate, quite entire, 
Y-nerved, hairs spreading on both surfaces, petioles slender, curved, 
4—lin. densely crinite. Flowers solitary, subsessile, closely enveloped 
Mm 2-3 outer leafy and many inner obtuse, coriaceous bracts, which are 
uistly above the middle. Calyx }in.; tube ovoid, with a broad ring 
of bristles about the middle ; lobes 5, short, broadly ovate, obtuse or 
acute, ciliate, Petals obovate, } in. long. Anthers 4 in., nearly straight, 
Connective shortly produced. Top of ovary strigose—WMelast. invo- 
luerata, Don, in Mow Wern. Soc. iv. 290. DC. Prod. iii. 147. 
_ Upper Guinea. Sierra Leone, Afzelius! Don! Barter! Fl. May. 
