460 CH, LABIATAE (BAKER). | Vepeta. 
Calyx 4-1 in long. 
Leaves not rigid. 
Calyx-teeth deltoid. . 1, N, petitiana. 
Calyx-teeth lanceolate . 2. N. azurea, 
Leaves rigid, with veins raised beneath 3. WN. robusta. 
Calyx } in. long. 
Corolla-tube as long as the calyx 4, WN. biloba. 
Corolla-tube longer than the calyx . 5, N. ballotefolia. 
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 4 in. long; tube cylindric, curved, pubescent ; 
teeth small, deltoid. Corolla-lips small. 
Wile Land. Abyssinia; Province of Wojerat, Quartin-Dillon & 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, 14-2 in. long, the upper smaller, sessile. Inflorescence 
racemose, long ; lower whorls spaced out, subtended by produced leaves ; 
bracts minute. Calyx 1—1 in. long; tube cylindric, strongly ribbed ; 
mouth oblique; teeth lanceolate, much shorter than the tube. Corolla 
pale blue; tube shortly exserted ; lips 3 in. long.—A. Rich. Tent. Fi. 
Abyss. ii. 195; Engl. Hochgebirgsfl. Trop. Afr. 368; Avetta in Ann. 
Istit. Bot. Roma, vi. 60. 
Wile Land. Abyssinia: Tigre; near Memsah, Quartin-Dillon; Samen; 
Ghaba, Steudner, 1416! 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; Wondié dama Kasaié, Antinori; and without precise 
locality, Salt. British Somaliland: Serrut Mountains, near Maid, 5800 ft., Hilde- 
brandt, 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 § 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. Hochgebirgsfl. Trop. Afr. 368, 
Upper Guinea. Old Calabar, Thomson! Cameroons : Cameroon Mountain, 
6000-8000 ft., Mann, 1294! 1995! Kalbreyer, 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, 
