Monechma.] 



XCVIII. ACANTHACEiE (CLARKE) 



218 



**Eu-MoNECHMA. — Seeds (without tufts of hairs) glabrous, 

 or with very minute scattered hairs. — Justicia, Benth. 

 in Benth. et Hook. f. Gen. PI. 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 base . 7. 

 Leaves with petioles rarely exceeding \-\ in. in 

 length. 

 Bracts not marginate . . . . .8. 



Bracts with pale margins . . . .9. 



Leaves with petioles \-\ in. long ; bracts mar- 

 ginate ....... 10. 



Leaves linear to linear-oblong 11. 



Flowers solitary, axillary, running almost or quite into 

 spikes at the ends of the branches ; leaves and bracts 

 (or floral leaves) lanceolate, mucronate or apiculate 

 Leaves and bracts glabrate .... 

 Leaves and bracts long-white-hairy on the margins. 



Leaves 1 in. long ; sepals \ in. long . . . 13. 



Leaves \ in. long; sepals \ in. long . . . 14. 



Flowers scattered, all (or nearly all) solitary ; leaves 

 hairy. 

 Flowers sessile. 



Leaves scarcely acute. 



Leaves 2 in. long . . . . 

 Leaves \ in. long. 



Branches 12-15 in. long; many internodes 



exceeding 1 in. in length . . . 16. 



Branches short ; internodes oV"^ ^"* ^^ length 17. 

 Leaves rigid, acute or mucronate. 



Leaves ultimately glabrate . . . .18. 



Leaves thinly hairy 19. 



Flowers on axillary pedicels oV^ ^"* ^°°S* • • '^^• 



M. hracteatum. 

 M. scabrinerve. 



M. Welwiischii. 

 M. tettense. 



M. subsessile. 

 M. varian.s. 



M. depauperatii) 

 M. seabridton. 



M. marginatum. 

 M. lolioides. 



12. M. genistifoliui 



M. arenicola. 

 M. Desertoruin. 



15. M. Nepeta. 



M.JioHdum. 

 M. apissum. 



M. SaUola. 

 M. hereroenfie. 

 M. cleomoid&K. 



1. M. hispidom, Hochat. in Flora, 1841, 375, 1843, 76. Anoual 

 1-2 ft. high, hispid-scabrous or glabrate. Leaves up to 3 by A-J in., 

 entire, harsh, base naiTOwed ; petiole yV-J in. long. Spikes (in fruit) 

 up to 3-4 by f in. (exclusive of the bracts) ; bracts }-l in. long, oblong, 

 the lower leat-like, petioled, up to 1^-2 in. long; brncteoles J-J in. 

 long, mth conspicuous long white stiff hairs. Sepals f», subequal, nearly 

 distinct, J in. long, linear, hispid. Corolla hardly exceeding J in. in 

 length, white slightly purple-spotted, 2-Upped, as of the smaller Justicias. 

 Stamens 2 ; one anther-cell below the other, white-tailed ; pollen 



VOL. V. H 



