fcacina.] xxxix. oLAciNE.f: (olivek). 3S7 



Flowers sessile, in irregularly branched, many-flowiTcd, axillary pani- 

 cles, 4-6 in. long and brond. Petals not beardi-d within, 'ix-avcs 

 o-lO in 2. /. macrorarpa. 



Flowers in axillary glomeruli or short racemes. 



Calyx one-third length of the petals, 5-fid, with lanceolate lobe* . . 3. /. Mannn. 

 Calyx nearly as long as the petals, 5-partite, with linear-subnlale 



segments. Flowers densely silky-hirsute \. I. inrhantk^. 



1. I. senegalensis^ A. Juss. in Mem. Snr. Ilia/. Nat. Paris, i. 174. 



/. 9. Branches glabrous or thinly pubescent. Leaves rather coriaceous. 

 elliptical, obtuse, sometimes broadly rounded or retuse, the \ipper occasion- 

 ally rather acute, rounded at the base, entire, jijlabrous or midrib thinly pu- 

 bescent beneath, 2^-4 in. long, H 2^ in. broad; petiole 1-3 linen or leaver 

 subsessile. Flowers in pedunculate, ascending or erect, corymbose rymes 

 collected into a terminal leafless panicle or the lower peduncles froni the axils 

 of reduced leaves, silky-hirsute externally ; pedicels 0-;^ in. Calyx 5- (rarely 

 6-) fid ; lobes triangular, acute, much shorter than the petals. Petals barbate 

 within near the base. Ovary hirsute. 



Upper Guinea. Senegambia ! Gambia, Skues ! Niger Expedition (without pn-n-c 

 locality), Barter! 



2. I. macrocarpa, OUv. An extensive climber; extremities rigid, 

 pubescent. Leaves ample, thinly coriaceous, oblong-elliptical, shortly and 

 obtusely cuspidate or ol)tuse, broadly rounded at the base, entire, glabrous 

 above, glabresceiit beneath, midrib and lateral veins pubescent, with the re- 

 ticulation prominent, 6-10 in. long, 3-4^ in. broad ; petiole \ \ in. Flowers 

 very small, numerous, sessile, in loosely branching (axillary?) rusty pubescrnt- 

 tomentose panicles, 4-6 in. long and broad. Calyx cupuliform, broadly •'>- 

 toothed; teeth deltoid. Petals rather thick, glabrous within. Anthers ch- 

 long-elliptical. Ovary densely hirsute ; style short, glabrous ; stigma ca|)i- 

 tate. Drupe ovoid, 2-2| in. 'long, ^-2 iii. in diam., with numerous shallow 

 longitudinal furrows confused towards the apex and connecte<l below by 

 transverse depressions ; pericarp about \ in. thick ; inner layer thin, woody. 

 Seed solitary, H-2 in. long, with a broad well-marked raphe Embryo 

 shorter than the albumen. Cotyledons thin, foliaceous ; radicle superior, 

 very short, obtuse ; plumule conspicuous. 



Upper Guinea. Fernando Po, Ma7in ! 



3. I. Mannii, OUv. A shrtib, attaining 8 ft. or sometimes scandent ; 

 extremities glabrous. Leaves membranous or thinly coriaceous, broadly ob- 

 long-elliptical or elliptical, shortly acuminate, more or less rounded at the 

 base, entire, glabrous or midrib below and petiole obsoletely pubescent, 

 midrib and subdistant lateral veins rather prominent, 4-6 in. long, \\ -23 \\\. 

 broad ; petiole li-5 lines. Flowers appressed silky-hirsute, rath.-r crowded 

 in short, axillary, solitary or geminate racemes or fascicled and sessde ; pedi- 

 cels not exceeding 1 or 2 lines ; bracts lanceolate, minute. Calyx deeply 5- 

 fid, with lanceolate or ovate-lanceolate lobes, about one-third the length ol 

 the petals. Petals barbate within. Ovary tapering into the style, more or 

 less hirsute. Fruit not seen. 



Upper Guinea. Old Calabar, Mann ' 



