XCVI. ACAXTnACK'n'. 371) 



23. BARIjERIA, Linn. 



Armed or unanned small shrubs or undersbrubs. Leaves opposite, 

 entire. Flowers showy, sessile, solitary or in dense or rather lax 

 spikes ; bracts and bracteoles large, small or 0. Calyx divided almost 

 or quite to the base ; sepals 4 in opposite pairs, the outer pair much 

 the larger. Corolla iiifundibuliform ; tube elongate ; lobes 5, subequal, 

 imbricate in bud. Stamens 2 fertile with oblong 2-celled anthers ; 

 usually 2 staminodes occasionally containing a little pollen also present, 

 and often a rudimentary 5th. Disk large, cupular, half embracing the 

 ovary, often with a toothed margin, Ovary 2-celled ; ovules 2 in each 

 cell ; style long, stigma 2-fid or subentire. Capsule ovoid or oblong 

 with 2 or 4 seeds below the middle. Seeds compressed, ovoid, usually 

 clothed with wavy silky closely appressed hairs. — Disxbib. Species 120, 

 mostly in Africa and Tropical Asia, a few in Tropical America. 



Spinous. 



Capsule 2-seecled ; outer sepals spine-tipped. 



Flowers spicate above ; bracteoles linear-subulate 1. B. Prionitis. 



Flowers mostly solitary, axillary ; bracteoles or a few 



minute bristles 2. B. cuspidata. 



Capsule with more than 2 seeds ; outer sepals not spine- 

 tipped. 



Corolla exceeding 1 in. long. 



Bracts of simple spines 3. B. buxifolia. 



Bracts of spinous pinnatifid leaves or flattened pinna- 



tifid spines 4. B. acanihoidea. 



Corolla less than 1 in. long; bracts small, linear (spines 



sometimes wanting) 5. B. Hochstetteri. 



Spineless. 

 Seeds hairy. 



Bracteoles longer than or as long as the outer sepals 6. B. tomentosa. 



Bracteoles shorter than the outer sepals. 



Outer sepals spinous 7. B. cristata. 



Outer sepals not spinous. 



Corolla 3 in. long and upwards. 



Corolla white 8. B. Lawii. 



Corolla blue with reddish-purple tube 9. B. involncrata. 



var. elata. 

 Corolla less than 3 in. long. 



Inflorescence glabrous ; corolla blue ; capsule 



glabrous 10. B. moniana. 



Inflorescence strigosely hairy ; corolla blue ; cap- 

 sule glabrous 11. B. strigosa, 



var. tevminalh. 

 Inflorescence glandular-hair3' ; corolla with blue 

 limb and j-ellow tube ; capsule pubescent at the 



tip 12. B. coKrtallica. 



Inflorescence softly villous ; capsule glabrous 13. B. sepalosa. 



Seeds glabrous. 



Outer sepals exceeding 1^ in. long; capsule l^ in. long, 



glandular-pubescent ; corolla pure wh ite 14. B. grnndiflora. 



Outer sepals not exceeding \\ in. long; capsule \ in. long, 



glabrous; corolla pink 15. B. Gihsoni. 



1. Barleria Prionitis, Linn. Sp. PI. (1753) p. 636. A shrub 

 2-5 ft. high, much-branched, usually prickly ; bark whitish ; steina 

 and branches terete or obsoletely 4-gouous, glabrous. Leaves 3|-7 by 

 1-2| in., elliptic, acuminate, bristle-tipped, entire, lineolate, glabrons 

 above, glabroiis or more or less pubescent (especiallv the young leaxes) 



2* c • 2 



