Ilyptis.] cii. LABIATE (baker). 449 



Soutb Central. Congo Free State: Monbuttu; at Ku^suinbo lUver, Schwein- 

 furih, 3131 ! 



nfXozamb. Blst. German East Afiica : Uinba Valley, Smith! Kiliuiaiijaro, 

 4^00-5000 ft., Johnston! Volkens, 263! Usainbara; 'Masbena, Hoist, 8786! 

 Khiitu ; bank of the Mgeta River at Zungomero, Speke Sf Grant ! Hritisli ('antral 

 Africa : NyasalanJ ; Soiigwe and Karong;*, 1700-2000 ft., Whyte, 55 ! Tanganyika 

 Plateau, at Fort Hill, 3500-4000 ft., Whyte! South Nyika Mountains, 4000-7000 ft., 

 Whyte ! and without precise locality, Buchanan, 399 ! 435 ! 



A native of Tropical America, widely spread in the warm regions of the Old 

 World. 



5. H. suaveolens, Poit. ; Benth. in DC. Prod. xii. 120. A much- 

 branched erect annual, with slender pilose stems. Leaves petioled, 

 ovate, the lower cordate, irregularly crenate, thin, pubescent on both 

 surfaces. Cymes few-flowered, umbellate, shortly peduncled, arising 

 from the axils of the reduced upper leaves so as to form a lax terminal 

 panicle. Calyx-tube campanulate, pubescent, strongly 5-ribbed, finally 

 \ in. long ; teeth subulate, equal, shorter than the tube. 



Upper Guinea. Sierra Leone : Sherbro Island, Qarrett in Scott-Elliot Herb. 

 5850! 



A native of Tropical America-, now widely spread in the Old World. 



21. LAVANDULA, Linn.; Benth. et Hook. f. Gen. 

 Plant, ii. 1179. 



Calyx cylindric, straight, usually 13-nerved ; teeth short. Corolla- 

 tube slender, cylindric; limb oblique, small, obscurely bilabiate. 

 Stam.ens 4, didynamous, declinate, included in the corolla -tube ; fila- 

 ments free, filiform ; anther-cells confluent. Disk confluent with the 

 persistent base of the ovary. Nucules smooth, glabrous. — Perennial 

 herbs or shrubs, fragrant. Leaves simple or decompound. Panicles 

 spicate ; whorls 2- or many-flowered ; bracts persistent ; upper often 

 large, membranous, highly coloured. Corolla small, blue or lilac. 

 Species about 30, extending from Madeira to India. 



Upper bracts dilated \. L. dent at a. 



Upper bracts not dilated. 



Calyx-teeth deltoid 2. Z. puhescens. 



Calyx-teeth lanceolate 3. X. coronopifolia. 



1. L. dentata, Linn.; Benth. in DC. Prod. xii. 145. An erect 

 much-branched undershrub. Stems densely clothed with white to- 

 mentum. Leaves sessile, linear, pinnatifid. Panicles oblong, 1-2 in. 

 long, on a long stiffly erect peduncle ; lower bracts orbicular-cuneate ; 

 upper large, persistent, ovate, membranous, reddish. Calyx pubescent, 

 J in. long; upper tooth dilated into a cordate-ovate membranous 

 appendage, lower minute, deltoid. Corolla-tube as long as the calyx ; 

 limb small. — Engl. Hochgebirgsfl. Trop. Afr. 363. 



Wile Iiand. Abyssinia : HegtMiieder ; south side of the mountains near Dendera, 

 10,000 ft., Schimper, 624 ! 



Cape Verdes and Madeira, through the Mediterranean region to Arabia. 



