FLORA OF MADAGASCAR. 333 
as long as the corolla. Ovary globose ; style in. long.—North- 
east Central Madagascar, Baron 5470 ! 5902 ! 
ONCOSTEMUM NERVOSUM, n. Sp. 
Fruticosum, ramulis gracilibus apice pubescentibus, foliis breviter petio- 
latis oblongo-lanceolatis acutis rigide coriaceis utrinque glabris venulis 
exseulptis, floribus parce umbellatis pedunculis pedicellisque elongatis, 
calycis segmentis lanccolatis, corollie segmentis ovatis tubo longioribus, 
antheris magnis ex filamentorum tubo campanulato exsertis. 
An erect shrub, with slender branchlets. Leaves 8-4 in. long, 
about an inch broad at the middle, narrowed. gradually to both 
ends, rigid, with all the veinlets raised. Peduncles about an 
inch and pedicels 4-4 in. long, very slender, erect, the latter 
glandulose. Calyx in. long. Corolla Lin. long; tube funnel- 
shaped. Anthers half as long as the corolla. Fruit not seen.— 
North Antsihanaka, Baron 5492! 
DrosPynOs LENTICELLATA, n. sp. 
Arborea, ramulis sursum pubescentibus valde lenticellatis, foliis bre- 
vissime petiolatis maguis oblongo-lanceolatis acutis basi cordatis rigide 
coriaceis utrinque viridibus glabris, floribus foemimeis in racemos breves 
axillares dispositis, calycis tubo campanulato piloso dentibus parvis 
deltoideis, fructu oblongo pubescente stylo brevi piloso coronato. 
A tree, with terete rugose branchlets, pubescent only towards 
the tip. Leaves rigidly coriaceous, 6-8 in. long, 13-2 in. broad. 
Male flowers unknown. Female flowers in short lax lateral 
racemes. Calyx of mature fruit 3 in. diam., with 5 small deltoid 
teeth, Fruit about the size and shape of an acorn.— Baron, next 
5839 ! 
Mr. Baron has gathered this time (5044) the endemie Tetraclis 
clusieflora, figured and described in Hiern's ‘Monograph of 
Ebenacex,’ tab. 11, from specimens gathered by Richard and 
Pervillé. 
SIDEROXYLON MICROLOBUM, n. sp. 
S. ramulis glabris, foliis obovato-cuneatis obtusis rigide coriaceis breviter 
petiolatis utrinque viridibus glabris, floribus axillaribus cernuis pedicellatis, 
calycis tubo brevi campanulato segmentis 5 ovatis rigidis valde imbricatis, 
coroll tubo evlindrico fauce piloso, segmentis brevibus, filamentis brevibus 
staminodiis magnis alternantibus. ded 
A shrub, with glabrous branchlets and leaves. Leaves crowded, 
1 a, 1 à € S > 
11-2 in. long, narrowed gradually from the middle to u base, 
igid i i i inconspicuous. Flowers 
rigid im texture, with the veins beneath inconspk uous ower 
few in a cluster ; pedicels in. long. Calyxg in. long; segments 
