502 MYOPORINEJ!. 



the anthers of his plant are said to be lonu-exserted.— A tree (or shmb) ; leaves 6"-3"; 

 petioles 2"-l", ealyx V", blaek-pnrple drupe if" long. 



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



0. jamaicensis. Leaves broadly elliptical : petiole jointed belovn the top. 



Hab. Jamaica!, all coll. (a, ;3) ; [Haiti!, Portorico!]. 



17. VITEX, L. 



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

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

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

 V. agnus-castus shrubby; leaves digitaie-\-foliolttte, rarely simple; cymes axillary or 



49. V. divaricata, Sw. Leaves chartaeeous, ^{-\)-foliolate : leaflets elliptical or 

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

 shortly petiolulate ; cymes axillary, dichotomou's^ corymbiform : peduncle long, compressed ; 

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

 " ovoid." — V. midtiflora, Miq. ! — Cymes about as long as the deciduous leaves ; calyx ^"', 

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



50. V. umbrosa, (Sw. (bob itfey.). Leaves leathery, i{-Z)-foliolate: leaflets elliptical, 

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

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

 rulous : tube tmce 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'", coroUa 4'" 

 long; drupe "yellow," 8"'-6"' diain. — Hab. Jamaica!, Mac/., March, Wullschl., in the 

 mountains ; [Cuba !]. 



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

 lanceolate, acuminate, entire, ghhrovs, shortly petiolulate ; cyme* axillary, long-peduncled, 

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

 long as the calyx. — A timber tree ; leaflets S"-5", calyx f", coroUa 4'" long. — Hab. Tri- 

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



18. AVICENNIA, L. 



Calyx 0-partite. CoroUa subrotate : 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 blunjish) ; 

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

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

 March, forming partly the mangrove-woods ; Antigua !, Wullschl., S. Vinceut !, Guild. ; 

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



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

 in a few of the Caribbean islands, but does 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. 



OXXII. MIOPORINEiE. 



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



1. 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 



