282 CI. VERBENACEE (BAKER). | Bouchea. 
toothed. Inflorescence a long spike, each flower in the axil of a per- 
sistent bract. 
Species about 16; in India, Tropical America and several at the Cape. 
Calyx-teeth small. 
Leaves petioled. 
Capsule winged at the apex . . . . . 1. B. pterygocarpa. 
Capsule not winged at the apex. a 
Leaves pubescent, crenate . . . . 2. B. marrubiifolia. 
Leaves glabrous, pinnatifid . . . . 3. B. garepensis. 
Leaves sessile . . . . . . . . 4. B. sessilifolia. — 
Calyx-teeth large . . . . . . . 5. B. Hanningtone. 
1. B. pterygocarpa, Schauer in DC. Prod. xi. 558. A much- 
branched perennial herb. Stems clothed with short white pubescence. 
Leaves ovate, obtuse, deeply toothed, 1-14 in. long, cuneate or sub- 
truncate at the base, pubescent on both sides ; petiole } in. long. End 
spikes 6-9 in. long, moderately dense, with all the flowers finally 
adpressed to the pubescent rhachis; bracts lanceolate, much shorter 
than the calyx. Calyx cylindrical, finely pubescent, 1-4 in. long ; teeth 
very minute. Corolla-tube about } in. Jong ; limb } in. diam. Capsule 
linear-oblong, shorter than the calyx, with 2 pyrenes ending 1m an 
obtuse wing.—A. Rich. Tent. Fl. Abyss. ii. 166. 
Wile Land. Nubia, Bent! Kordofan: Kobn Mountain, Kotschy, 230, Melbes, 
Pfund, 852! Abyssinia: Tigre; on hills near Adeganna, Schimper, 1012! mountuins 
near Goelleb, 4000 ft., Schimper, 2210! and without precise locality, Schimper, 424. 
Mozamb. Dist. (German East Africa: Usambara; on the Steppe by the 
Pangani River, Volkens, 450! 
2. B. marrubiifolia, Schauer in DC. Prod. xi. 558. A much- 
branched perennial herb. Stems clothed with short white pubescence. 
Leaves ovate or suborbicular, obtuse, conspicuously crenate, pubescent 
on both sides, 1-14 in. long, cuneate or subtruncate at the entire base; 
petiole 4-1 in. long. End-spikes 4 ft. long, moderately dense, with 
all the flowers adpressed to the pubescent rhachis ; bracts lanceolate, 
much shorter than the calyx. Calyx 4-4 in. long, densely and shortly 
pubescent ; teeth very minute. Corolla-tube very slender, } in. long ; 
limb } in. diam. Capsule shorter than the calyx, the pyrenes not 
produced into a wing at the apex—C. B. Clarke in Hook. f. Fl. Brit. 
Ind. iv. 564. 
Nile Land. Nubia: near Suakin at Hor Tamanib, Lord, 12! between Suakin 
and Berber, at Okurr, Schweinfurth, 466! and Wadi Abu-Kotod, Schweinfurth, 451! 
Kordofan : near Abu Gerad, Kotschy, 32! Wadi Taiarah, Pfund, 850! Om Marba, 
Pfund, 172! and without precise locality, Kotschy, 113! 213! 
Also in Arabia and Scinde. 
3. B. garepensis, Schauer in DC. Prod. xi. 560, var. micro- 
phylla, 0. Kuntze in Jahrb. Konigl. bot. Gart. Berl. iv. 271. A glabrous 
erect perennial herb. Leaves shortly petioled, ovate, } in. long, deeply 
pinnatitid. Racemes 1 or few, dense, terminal, cylindrical, }-1 ft. 
