288 



CI. VERBENACEiE (bAKER). 



\Premna. 



angolensis. 

 quadrifolia. 



with resinous glands. Cymes forming a corymbose or thyrsoid panicle. 

 Flowers minute, whitish or greenish. 



Species 40 or more, inlinbiting the warmer region8 of the Old World, many of 

 them Indian. 



Inflorescence thyrsoid. 



Leaves 2 to a node, opposite. 



Leaves obtuse 1. P.ferruginea. 



Leaves acuminate . . . . . . 2. P. longipes. 



Leaves 4 to a node. 



Bianc'hlets and leaves glabrous . . . . 3. P. 



Branchlets and leaves pubescent . . . . 4. P. 



Inttoresceiu-e cor \ mbose. 

 Corymb smnll. 



Calyx-teetii minute, broadly deltoid . . . 5. P. resinosa. 



Calyx-teeth large, oblong 6. P. somaliensis. 



Corymb ample. 



Corolla-tube twipe as long as the calyx. 



Stanjens overtopping the corolla-lobes . . 7. P. macrosiphon. 



Stamens not overtopping the corolla-lobes. 



Leaves glabrous beneath . . . . 8. P. serratifolia. 



Leaves hairy beneath . . . . . 9. P. hispida. 



Corolla- tube scarcely longer than the calyx. 

 Leaves glabrous beneath. 

 Leaves rtblong. 



Calyx-teetii small 10. P. Milnei. 



Calyx-teeth large 11. P. macrodonta. 



Leaves cordate-ovate . . . . . 12. P. Holstii. 



Leaves pubescent beneath. 



Climber ...... 



Erect shrubs or small trees. 

 Pubescence ferruginous 

 Pubescence grey. 

 Calyx-tet'th minute. 



Bracts ovate ..... 15. P. vihurnoides. 



Bracts linear-subulate . . .16. P. senensis. 



Calyx-teeth as long as the tube . . 17. P. oligotricha. 



13, P. Hildebrandti 



14. P. velutina. 



1, P. ? ferruginea, A.Rich. Tent. Fl. Abyss, ii. 172. Branchlets 

 tetragonal, clothed with fulvous tomentum. Leaves opposite, petioled, 

 ovate, obtuse, crenate, hairy on both surfaces. Inflorescence a lax 

 thyrsoid panicle ; flowers subsessile. Calyx very short ; lobes 5, acute. 

 Corolla-tube pubescent, as long as the calyx ; limb 5-lobed. Stamens 

 exserted from the corolla-tube. 



Utile Z>and. Abyssinia : Shire, Quartin-Dillon. 



2. P. longipes. Baker. An erect shrub, with slender terete 

 pubescent bra,nchlets. Leaves opposite, distinctly petioled, oblong, 

 acuminate, cuneate at the base, 3-4 in. long, crenate, membranous, 

 slightly pubescent above, densely pubescent beneath. Ipflorescence 

 a lax thyrsoid terminal panicle 3-4 in. long; branches pubescent; 

 pedicels reaching J^ in. long; bracts minute, ovate, acuminate. Calyx 

 cylindrical, densely pubescent, J in. long ; teeth minute, deltoid. Corolla- 



