332 CI. VERBENACE-E (baker). [Avicennia. 



Fruit ovoid-cuspidate, compressed, l-li in. long. — Benth. in Hook. Niger 

 Fl. 487 ; Durand .^' De Wild, in BulL Soc. Bot. Belg. xxxvii. 125. 



Upper Guinea. Senegal : Dollinf/er, 73 ! Roger, 75 ! Senegainbia : Island of 

 St. IjOwxSjB runner, 1 ! Sierra Leone, Mann, vii. ! Don ! Scott-Ellioi, 4120 I Liberia : 

 Cape Palmas, Vogel ! Lagos, Itoicland I Niger Delta: Brass, ^ajYer, 46 ! Grand 

 Bassa, Vo(jel,\0\ ! Caineroons : Bahuiga, ^rt/(^5, 195 ! Fernando Po, MiZwe .' Mann, 

 2311 



Xiower Guinea. Portuguese Congo : Chinchocbo, Soymix, 60 ! Angola, 

 Welwitseh, 5641 ! 5709 ! 5726 ! Congo ; Banana marsh, Dupuis. 



Perhaps not distinct specifically from the American A. nitida, Jacq. 



2. A. officinalis, Linn. ; Schauer in DC. Prod. xi. 700. A shrub 

 or small tree ; branchlets clothed with thin whitish tomentum. Leaves 

 oblong or oblong-lanceolate, 1 i-o in. long, |-1 in. broad at the middle, 

 acute or obtuse, narrowed gradually to a short petiole, rigidly coriaceous, 

 green and glabrojus above, clothed with thin white tomentum beneath. 

 Spikes globose, terminal and axillary, on short square tomentose 

 peduncles ; bracts broadly ovate, J-y.^ in. long, margined with whitish 

 tomentum. Corolla-lobes ovate, bright yellow, glabrous inside. Style 

 short or scarcely any. Fruit ovoid, compressed, 1 in. long. — A. Rich. 

 Tent. Fl. Abyss, ii. 178 ; Vatke in Linnaea, xliii. 539 ; Klotzsch in 

 Peters, Beise Mossamb. Bot. 260 ; Terracciano in Ann. Istit. Bot. Roma, 

 v. 101 ; C. B. Clarke in Hook. f. Fl. Brit. Ind. iv. 604. A. tomentosa, 

 Jacq. ; Wight, Ic. t. 1481. 



XTile Iiand. Red Sea : Harnish Island, Slade, 2 ! Dalac Archipelago, Steudner, 

 1307! Nubia: sea coast about 21° X. latitude, J5ew^ / l>itrea: Massowa, Ehren- 

 herg, Q,uartin- Dillon, Hildebrandf, 731, Schtveinfurth ^ Riva, 61, Schech Said, 

 Beccari. Somaliland : Aloola, near Bunder Mnrayah, Play fair I Bay of Anfilah, 

 Terracciano. British East Africa : Mombasa, Wakefield ! 



Mozamb. I>ist. German East Africa: L^sambara; Tanga, J^olkens, 1601 

 Muoa, Hoist, 3059 ! Usaramo ; Dar-es-Salaam, Hildehrandi, 1241 ! Portuguese East 

 Africa : Zambesi Delta; mouth of the Kongone River, Kirk ! mouth of the Luabo 

 River, Kirk, 11! 45! luhambane, Peters. 



Also ill Egypt, Natal, and the tropiciil shores of Loth hemispheres. 



Order Oil. LABIATE (by J. G. Baker). 



Flowers hermaphrodite, irregular. Calyx inferior, gamosepalous, 

 persistent, often accrescent ; limb usually 5-toothed, sometimes bilabiate 

 or G-10-toothed. Corolla gamopetalous ; limb usually bilabiate, 2 lobes 

 being represented by the upper lip and 3 by the lower. Stamens 

 epipetalous, usually 4, didynamous, sometimes reduced to 2 ; anthers 

 usually 2-celled ; cells parallel or divaricate, often confluent. Hypo- 

 gynous disk thick and fleshy. Ovary superior, 4-lobed ; style produced 

 from the centre of the lobes, forked at the tip. Fruit of 4 nucules, 

 usually included in the persistent calyx. Seeds solitary in the nucules, 

 erect; albumen scanty or wanting ; cotyledons flat or convex; radicle 

 short, inferior. — Herbs or shrubs, rarely scandent ; stems usually 

 4 -angled. Leaves exstipulate, opposite or verticillate (very rarely 

 alternate), crenate or entire, sessile or petioled, usually simple, often. 



