984 LXXIX. AtOCYNACE^. ■ [Och-osia. 



6. O. Cowleyi (after E. Cowley), Bail. Ql. Agri. Journ. i. pt. 8. A 

 .large shrub or small tree, branches in whorls of 5, the stem more or less 

 swelled about their insertion. Leaves in whorls of 5, oblong-cuneate, shortly 

 acuminate, from 8 to 12in. long and nearly 5in. broad, , parallel transverse 

 veins about 20 on each side of the jnidrib. Flowers on abortive branches 

 which form elongated panicles on the stem at the brapch whorls. Calyx- 

 segments imbricate, unequal. Corolla cream-coloured ; tube about 4 lines long ; 

 lobes about the same length, narrow-falcately curved, auricled at the base. 

 Anthers attached near the top of the corolla-tube. Stigma enclosed in the 

 corolla-tube. Fruit (those observed not ripe) green, eUiptic-oblong, 3in. long, 

 with a short recurved or hooked point, the endooarp developing into erect, 

 closely appressed, rootlike processes. 



Hab.: Datrymple Island, from where Mr: E. Cowley brought the plant growing at the 

 Kamerunga State Kursery. The tree is of handsome habitv and worthy of oultlvatioH. 



7. *VINCA, Linn. 



(Stems of some species used for bands.) 



Calyx 5-partite, cylindrical, eglandular,, segments narrow. Corolla salver- 

 shaped ; tube cylindrical, with usually reflexed hairs below the stamens ; throat 

 constricted, hairy or thickened ; lobes broad, overlapping to the . left. Stamens 

 above the middle of the tube, included ; anthers various. Disk of 2 large glands. 

 Carpels 2, distinct ; style filiform, top thick ; stigma,annulate,vicsi!^, sometimes 

 with a reflected . membrane, tip minute penicillate. Ovules 6 or more, 2-seriate 

 in each carpel. Follicles 2, slender, erect or spreading. Seeds subcylindrical, 

 truncate at both ends ; hilum lateral ; albumen fleshy ; cotyledons ovate ; radicle 

 long, superior. 



The species are met with in Europe, India, America, and Madagascar. 



1. V. rosea (flowers rose coloured), Linn.; DC. Prod. viii. 382 ; Bot. Mag. 

 t. 248 ; Millar, Ic. t. 186. Periwinkle, or Old Maid Flower. A small 

 erect puberulent shrub. Leaves on short petioles, obovate, oblong, obtuse, 

 cuneate at the base. Flowers 1 to 8, sessile, axillary. Calyx small with 6 

 setaceous teeth. Corolla hypoorateriform ; tube slender, about lin. long ; lobes 

 oblique, obovate. Stigma bearded at the top and furnished with a cup-shaped 

 membrane below. Follicles 2, cylindrical, vertically-striated, about lih. long 

 with from 15 to 20 seeds in each. 



Hab.: South Florida. There are 3 forms or varieties of this plant, differing only in the colour 

 of flower; these G. Don (under the, name Catharanthus) recorded, var. roseus, var. alius, 

 var. occellatus. All the varieties are naturalised and especially abundant on the sandy coast 

 land within the tropics. 



^ 8. ALSTONIA, E. Br. 



(After Dr. Alston.) 

 (Blaberopus, A. D.C.) 

 Calyx without any or with very minute glands. Corolla-tube cylindrical, 

 more or less swollen round the anthers, the lobes spreading, contorted in the 

 bud, the throat without scales. Anthers enclosed in the tube. No hypogynous 

 scales. Ovary of 2 distinct carpels united by the style ; stigma ovoid or conical ; 

 ovules numerous, in about 4 rows in each carpel. . Fmit of 2 long linear follicles. 

 Seeds oblong, compressed, peltately attached, bordered with hairs of which 

 those at each end are usually very long ; albumen scanty. — Trees or tall shrubs 



