XCII. ACANTHA.CEiE. 283 



lute. Capsule ovate, acute, dorsally-compressed, 4-2-seeded. 

 Seeds tomentose, with a hyaline margin, mucilasfinous when 

 moistened. — T. Anders, in Linn. Soc. Journ. vii. Bob. p. 26. 



P. hirsuta, T. A., is a halfshrub, clothed with spreading haii's. Leaves 

 petioled, broadly ovate ; flowers in lateral cymes. — West Coast, beyond the 

 frontier, Cufror hi Serb. Hook. 



6. PHAYLOPSIS, Willd. 



Calyx 5-parted, the upper segment very large, bract-like. 

 Corolla 2-lipped, upper lip 2-fid, lower 3-fi.d or subringent, the 

 upper lip entire or 2-dentate. Stamens 4, didynamous, in- 

 cluded ; anthers 2-celled, with parallel cells. Capsule 2- 

 celled, 2-valved, 4-seeded at base, with membranous sides, the 

 septum separating in 2 seed-bearing lamellae. — ^theilema, 

 DC. Prod. xi.p. 261. 



Leafy branching, herbaceous plants. Spikes axillary and terminal, leafy, 

 subsessile. — Natal. 



SuBOEDER 3. Acanthideae. (Gren. 7-23.) 



7. BARLERIA, Linn. 



Calyx cruciately 4-parted, the upper and lower lobes much 

 larger and broader than the others. Corolla funnel-shaped, 

 the tube long or short, dilated in the throat ; limb 5-parted, 

 the upper lobe shorter. Stamens 4, didynamous, inserted 

 near the base of the tube, the longer ones equalling the 

 corolla-tube, the shorter sometimes without anthers ; anthers 

 linear, 2-celled, cells parallel, pointless. Stigma funnel- 

 shaped, truncate. Capsules conical-acuminate, 4-2-seeded at 

 base ; septum entire, adnate. — UC. Prod. xi. p. 223. 



Herbaceous or shrubby, of various habit. Flowers axillary or spiked, 

 with wide or narrow bracts, handsome, mostly blue. — 13 South African 

 species, Northern and Eastern. 



8. CRABBEA, Harv. 



Calyx 5-parted, subequal, the segments subulate. Co- 

 rolla tubular or bell-shaped ; limb 5-parted, the 3 upper seg- 

 ments rather smaller. Stamens 4, included ; anthers 2-celled, 

 cells contiguous, unequal at base, bristly. Stigma funnel- 

 shaped, 2-lipped, 1 lip short, narrow, the other dilated, ovate. 

 Capsule terete, 6-8-seeded.— Z^C. Prod. xi. p. 162 ; Thes. Cap. 

 t. 61. 



Dwarf undershrubs, often pvoc\imbent, with densely crowded leaves. 

 Spikes axillary, subsessile, capitate, imbricated with large, rigid, veinv, 

 spine-bordered or rigidly ciliate bracts.— 4 or 5 species, in Calfraria aiwi 

 Natal. 



