4G() cii. LABIAT.E (baker). [Nepeta. 



Calyx ^^ in long. 

 Leaves not rigid. 



Calyx-teeth deltoid . . . . . . 1. N. petitiana. 



Calyx-teeth lanceolate . . . . . 2. N. azurea. 



Leaves rigid, with veins raised beneath . . . ^. N. rohusta. 

 Calyx J in. long. 



Corolla-tube as long as the calyx . . . . 4. iV. hiloha. 



Corolla-tube longer than the calyx . . . . 5. iV. ballotcefolia. 



1. N, petitiana. Baker. A perennial herb, with erect pubescent 

 stems 2 ft. long. Leaves sessile, ovate, crenate, glabrescent above, 

 densely pubescent beneath, the lower 1 in. long, the upper growing 

 gradually shorter. Inflorescence racemose, lax; lower whorls subtended 

 by large leaves. Calyx J in. long ; tube cylindric, curved, pubescent ; 

 teeth small, deltoid. Corolla-lips small. 



Zrile Iiand. Abyssinia ; Province of Wojerat, Quartxn- Dillon Sf Petit, 19 ! 



2. N. azurea, R. Br. ; Benth. in DC. Prod. xii. 384. An erect 

 perennial, with branched pubescent stems 2-3 ft. long. Leaves thin, 

 ovate, crenate, glabrescent above, densely pubescent beneath, the lower 

 shortly petioled, lJ-2 in. long, the upper smaller, sessile. Inflorescence 

 racemose, long ; lower whorls spaced out, subtended by produced leaves ; 

 bracts minute. Calyx i— i in. long ; tube cylindric, strongly ribbed ; 

 mouth oblique ; teeth lanceolate, much shorter than the tube. Corolla 

 pale blue; tube shortly exserted ; lips \ in. long. — A. Rich. Tent. Fl. 

 Abyss, ii. 195 ; Engl. Hochgebirgsfl. Trop. Afr. 368; Avetta in Ann. 

 Istit. Bot. Roma, vi. 60. 



irile Iiand. Abyssinia: Tigre ; near Memsah, Quartin- Dillon ; Samen ; 

 Gliaba, Steudner, 1416 i near Mettaro, 8400 ft., Schimper, 308 ; near Jenausa on the 

 northern side of Mount Aber, Schimper, 835 ! Lotho, Schimper, 447 ; Province of 

 Wojerat, Petit ! Shoa ; Wondie dama Kasaie, Antinori • and without precise 

 locality, Salt. British Somaliland : Serrut Mountains, near Maid, 5800 ft., Hilde- 

 hrandt, 1427. 



Also in Arabia. 



3. N. robusta. Hook. f. in Journ. Linn. Soc. vii. 212. An erect 

 much-branched perennial 3-4 ft. high, with stems woody at the base 

 and branches densely hairy. Leaves, broadly ovate, obtuse, subsessile, 

 crenate, rigid, densely pubescent and strongly veined beneath. Inflor- 

 escence racemose, long, moderately dense ; lower whorls spaced out, sub- 

 tended by ascending orbicular leaves as long as the flowers. Calyx J in. 

 long, with dense stiff hairs ; tube subcylindric ; teeth linear, much 

 shorter than the tube. Corolla-tube shortly exserted, bluish-white; 

 lips \ in. long. — Engl. Hochgebhgsfl. Trop. Afr. 368. 



Upper Guinea. Old Calabar, Thomson! Cameroons : Cameroon Mountain, 

 6000-8000 ft., Mann^ 1294 ! 1995 ! Kalhreyer, 114 ! Johnston, 53 \ 81 ! 



4. N. biloba, Hochst.; Benth. in DC. Prod. xii. 375, An erect 

 perennial, with pubescent stems 2-3 ft. long. Leaves thin, ovate, 



