224 
APOCYNACEjE. 
[ Tabernamontana . 
about 10 ascending main veins on each side. Cymes as long as the 
leaves, longer and laxer than in the other species, the peduncle much 
exceeding the petiole ; pedicels -§~f in. long, the bracts minute, 
lanceolate. Calyx f in. long, the deltoid teeth as long as the tube. 
Expanded corolla 2 inches broad, whitish, the oblique obovate lobes as 
long as the tube. Eollicles not seen. 
Mauritius, in forests of the Pouce and Quartier Militaire, Telfair ! etc. Endemic. 
Bois de Lait. 
2. T. persicarisefolia, Jacq. ; A. DC. Prod. viii. 369. A glabrous 
shrub, 6-10 feet high, with leaves and flowers crowded near the end of 
the branchlets. Leaves distinctly petioled, oblong or lanceolate, always 
acute or acuminate, cuneate at the base, 2-4 in. long, 1-2 in. broad at 
the middle, membranous, with about 20 distinct spreading main ribs 
coalescing in arches near the edge. Cymes many-flowered, short- 
peduncled, not more than f — f as long as the leaves ; pedicels T V~i in. long, 
with minute ovate bracts. Calyx -i- in. long, the teeth broad, obtuse, and 
much imbricated. Corolla greenish-yellow, the expanded limb an inch 
broad, the segments as long as the tube, finch broad. Follicles ovoid, 
apiculate, 1-1 \ in. long. Jacy. Ic. t. 320. T. amygdalifolia, Sieber, 
Exsic. ii. 84. 
Mauritius, frequent in woods through the island ; Amher Island, Horne ! 
Endemic. Bois de Lait. 
3. T. mauritiana, Poir. ; A. DC. Prod. viii. 370. An erect shrub, 
with leaves and flowers crowded towards the tips of the slender terete 
branchlets. Leaves distinctly petioled, oblong, subacute, obtuse, del- 
toid at the base, 3-4 in. long, 2-2 \ in. broad at the middle, membranous, 
with 10-12 distinct main veins. Cymes many-flowered, their pedun- 
cles scarcely longer than the petioles; pedicels in. long, furnished 
with several minute persistent bracts. Calyx T V in. long, with short 
obtuse teeth. Expanded limb of corolla yellowish, f— 1 in. broad, the 
oblique oblanceolate-oblong lobes shorter than the tube. Follicles 
ovoid, pointed, If in. long. T. squamosa, Sieber. 
Mauritius, in woods through the island. T. micrantha , A. DC. Prod. viii. 370. 
{T. parviflora , Bojer, Hort. Maur. 209), is a small-flowered variety. Also Bourbon. 
Bois de Lait . 
4. T. coffeaefolia, Bojer, MSS. Very near T. mauritiana, but the 
leaves firmer in texture and more pointed, the peduncle of the cymes 
longer, and the pedicels also longer (f— | inch), and without bracts. 
Venation of leaves, calyx and corolla of T. mauritiana. 
Seychelles, in the woods of Mahe, Wright ! Herb. Blackburn ! Horne, 249, 537 ! 
Also Johanna Island. 
* Vinca rosea, Linn. ; A. DC. Prod. viii. 382, (Bot. Mag. t. 248 ; 
Miller, Ic. t. 186; Castharanthus roseus, G. Don), now spread univer- 
sally in the tropics and hothouses, apparently a native of Tropical 
America, is established plentifully in Mauritius, Bodriguez and the 
