Monechma. | XCVIII, ACANTHACEE (CLARKE). 
**Ev-MonrecuMa.—Seeds (without tufts of hairs) glabrous, 
or with very minute scattered hairs,—Justicia, Benth, 
in Benth, et Hook. f. Gen. Pl. ii. 1109, partly. 
Spikes strobilate, terminal and also on short pseudo- 
axillary peduncles ; bracts ovate, enclosing the calyx. 
Bracts not viscous glandular, 
Bracts round, ciliate on the margins. . - 2. 
Bracts elliptic acute, scabrous on the nerves . . 3. 
Bracts viscous glandular, 
Tip of bracts triangular, hardly acute. : . 4 
Tip of bracts acuminate . : : 5. 
Spikes terminal; bracts from narrow-elliptic to linear- 
oblong, 
Leaves ovate, elliptic, or broadly oblong. 
Leaves nearly sessile. 
Leaves ovate, rounded at the base. . . 6. 
Leaves oblong-elliptic, narrowed to the bas . 7. 
Leaves with petioles rarely exceeding }-} in. in 
length. 
Bracts not marginate . . . . 8. 
Bracts with pale margins . . . 9 
Leaves with petioles 3-4 in. long; bracts mar- 
ginate . . . . 
Leaves linear to linear-oblong . . . 
Flowers solitary, axillary, running almost or quite into 
spikes at the ends of the branches ; leaves and bracts 
(or fioral leaves) lanceolate, mucronate or apiculate. 
Leaves and bracts glabrate . . . . 12. 
Leaves and bracts long-white-hairy on the margins. 
Leaves 1 in. long; sepals tin. long. . . 13. 
Leaves } in. long; sepals} in. long. . . 14, 
Flowers scattered, all (or nearly all) solitary ; leaves 
hairy. 
Flowers sessile. 
Leaves scarcely acute. 
Leaves2in.long . «© © «© + «+ Ld 
Leaves 3 in. long. 
Branches 12-15 in. long; many internodes 
exceeding lin. inlength . . - 16. 
Branches short ; internodes ,45—} in. in length 17. 
Leaves rigid, acute or mucronate. 
Leaves ultimately glabrate . . . . 18. 
Leaves thinly hairy . . . . . 19. 
Flowers on axillary pedicels ,4—} in. long. . . 20. 
. 10. 
. 11. 
213 
M., bracteatum, 
M, scabrinerve. 
M, Welwitschii. 
IM, tettense. 
M. subsessile. 
M. varians. 
M, depauperatum, 
M. scabridum. 
M, marginatuin. 
M. lolioides. 
M. genistifoliun. 
M. arenicola. 
M. Desertorum. 
M. Nepeta. 
M, floridum. 
AU, spissum. 
M. Salsola. 
M. hereroense. 
M. cleomoides. 
1. M. hispidum, Hochst. in Flora, 1841, 375, 1843, 76, Annual 
1-2 ft. high, hispid-scabrous or glabrate. 
5 3 3 
Leaves up to 3 by $-j In., 
entire, harsh, base narrowed ; petiole j!;-} in. long. Spikes (in fruit) 
up to 3-4 by } in. (exclusive of the bracts); bracts 3-1 in. long, oblong, 
the lower leat-like, petioled, up to 14-2 in. long; bracteoles 3—} in. 
long, with conspicuous long white stiff hairs. 
Sepals 5, subequal, nearly 
distinct, } in. long, linear, hispid. Corolla hardly exceeding } in. in 
length, white slightly purple-spotted, 2-lipped, as of the smaller /usticias. 
tamens 2 ; one anther-cell below the other, 
white-tailed ; pollen 
