502 MYOPORINEiE. 



the anthers of his plant are said to be long-exserted. — A tree (or shrub) ; leaves G"-3", 



petioles 2"-l", calyx 1'", black-purple drupe 2'" loug. 



a. Leaves elliptical-oblong : petiole jointed at the top. • 



J8. jamnicensis. Leaves broadly elliptical : petiole jointed below the top. 

 Hab. Jamaica!, all coll. (a, j3) ; [Haiti!, Portorico!]. 



17. VITEX, L. 



Calyx 5-dentate or 5 -fid. Corolla 2-lipped : upper lip 2-, inferior 3-lobed. Stamens 



didynamous, exserted. Stigma bifid : lobes pointed. Drupe with the endocarp 4-celled or 



2-celled by abortion. — Woody plants ; the West Indian species arboreous, the cultivated 



% V. agnus-castus shrubby; leaves digitate-1-foliolate, rarely simple; cymes axillary or 



paniculate. 



49. V. divaricata, Sw. Leaves chartaceous, S(-l)-foliolate : leaflets elliptical or 

 elliptical -oblong, entire, glabrous or hispidulons on the ribs and minutely reticulated beneath, 

 shortly petiolulate ; cymes axillary, dichotomov.s, corymbiform : peduncle long, compressed; 

 calyx truncate— 5 -denticulate; corolla pale-blue: inferior lip bearded at the base; drupe 

 " ovoid." — V. multiflora, Miq. ! — Cymes about as long as the deciduous leaves ; calyx f , 

 corolla 4'" long. — Hab. Dominica \, Imr., S. Lucia; Trinidad!, Cr.; [Cuba to Guiana!]. 



50. V. umbrosa, Sw. (uon Mey.). Leaves leathery, 5(-3)-foliolate : leaflets elliptical, 

 or elliptical-oblong, archveined, entire, glabrous : petiolules unequal, inferior shorter ; cymes 

 dichotomously few-flowered, in axillary peduncled racemes ; calyx 5-dentate; corolla pube- 

 rulous : tube twice or thrice as long as the calyx ; drupe globose. — A large tree ; leaflets 

 often 6" long, blunt or bluntish : the middle petiolule 9"'-6'" long ; calyx 1'", corolla 4' 

 long; drupe " yellow," 8"'-6'" diam. — Hab. Jamaica!, Mac/., March, Wu/lschl.,m the 

 mountains ; [Cuba !]. 



51. V. capitata, V. Leaves chartaceous, 5-foliolate : leaflets elliptical-lanceolate or 

 lanceolate, acuminate, entire, glabrous, shortly petiohdate ; cymes axillary, long-peduncled, 

 contracted into a head ; calyx 5-denticulate-repand ; corolla blue : tube about 4 times as 

 long as the calyx. — A timber tree ; leaflets 3"-5", calyx ■§'", corolla 4'" long. — Hab. Tri- 

 nidad!, Lockh., Pd. ; [Guiana ! eqnat. Brazil !]. 



18. AVICENNIA, L. 



Calyx 5-partite. Corolla subrotate t lobes 4, one slightly unequal. Stamens 4, unequal, 

 shortly exserted. Ovary 2-celled : cells 2-ovulate. Stigma bifid : lobes pointed. Fruit 

 compressed, leathery, tardily 2-valved, 1-seeded by abortion. Embryo naked, germinating 

 in the fruit -. radicle inferior, ascending between the cotyledons. — Mangrove-trees ; leaves 

 leathery, entire, powdery -white beneath or glabrate ; flowers white, in peduncled clusters. 



52. A. nitida, Jacq. Leaves lanceolate or lanceolate -elliptical, acuminate (or bluntish) ; 

 corolla downy ou both sides; style as long as the stamens. — Jacq. Amer. Pict. t. 169. ■ 

 A. tomentosa, Sw., Mey. Esseq. !, Sieb. Mart. 328 {non Jacq.). — Hab. Jamaica !, Dist., 

 March, forming partly the maugrove-woods ; Antigua !, Wullschl., S. Vincent !, Guild. ; 

 Trinidad !, Lockh. ; [Cuba to Brazil ! ; trop. Africa !]. 



A. tomentosa, Jacq., distinguished by broad leaves and subsessile stigmas, is said to grow 

 in a few of the Caribbean islands, but docs not occur in our collections : only in Mr. Ben- 

 tham's herbarium I saw a specimen, collected by Anderson in S. Lucia, which from its 

 habit may prove to be this second species. 



CXXII. MYOPORINEiE. 



Character of Verbenacece, but seeds albuminous, radicle superior, and pedicels axillary. 



I. BONTIA, L. 



Calyx 5-partite. Corolla tubular, 2-lipped, pilose within : inferior lip reflexed. Stamens 

 didynamous, the inferior exserted. Ovary 2-celled . cells 4-ovulate -. ovules separated by an 



