XCII. ACAXTHACE^. 287 



21. RUTTYA, Harv. 



Calyx 5-parted ; segments linear-attenuate, very long. 

 Corolla 2-labiate, the upper lip erect, semi-2-fid, flat, lower 

 deflexed, equally 3-parted ; tube wide, shorter than the calyx, 

 on one side inflated. Stamens in the throat, exserted, fertile 

 2, with 1-celled, oblique anthers, mucronate at base ; sterile, 

 tooth-like, very short. Ovary sessile, 2-celled, cells 2-ovuled ; 

 style slender, pubescent; stigma 2-fid. Capsule clavate, 

 barren at base, 4-seeded ahoye.— DO. Frod. xi. p. 309 ; Thes. 

 Cap. t. 144. 



A Natal shrub, 8-10 feet high, with ovate-acuminate leaves, and very 

 dense, terminal, ovate-oblong or cylindrical spikes of bright red flowers. 

 Bracts subulate. 



22. ASYSTASIA, Blume. 

 Calyx 5-parted, equal. Corolla funnel-shaped ; limb 5-fid, 

 subequal, the upper lip rather concave. Stamens 4, didyna- 

 mous, included, connate in pairs at base ; anthers 2-celled, the 

 cells parallel, callous or appendiculate at base. Stigma capi- 

 tate, 2-lobed. Capsules compressed and barren at base, 4- 

 seeded above. — DO. Frod. xi. p. 163. 



A. Gangetica, T. Anders., a common African and Asiatic species, occurs 

 at Natal. Branches diffuse, slender ; leaves cordate-ovate or roundish, 

 small ; racemes axillary and terminal, secund ; bracts small. 



23. MACKAYA, Harv. 



Calyx small, nude, equally 5-parted, the lobes subulate. 

 Corolla with a cylindrical tube, bell-shaped, the Hmb veiny, 

 subequal, erect. Stamens in the throat of the tube ; 2 fer- 

 tile, with sagittate, 2-celled, equal-sided anthers ; 2 sterile 

 filiform, without anthers. Style filiform ; stigma minute, 2- 

 fid. Ovary 2-celled ; cells 2-ovuled in the middle. Capsule 

 clavate, with a compressed, barren base, 4-seeded above. — 

 Thes. Oap. t. 13. 



M. bella, Harv., is a graceful shrub, the leaves petioled, ovate-oblong, 

 repand, minutely dotted above, glabrous; the flowers in terminal, slender, 

 secund racemes. Flowers large and handsome, 2 inches long, pale lilac, 

 pendulous. 



Order XCIII. VERBENACE^. 



Calyx tubular, 5-fid or 5-parted, rarely 2-parted, persistent. 

 Corolla tubular, deciduous, with an irregular, more or less 

 labiate, rarely subregular limb. Stamens 4, didyuamous, or 

 nearly equal, sometimes with a rudimentary fifth stamen. 

 Ovary free, 2-4-celled ; style 1, terminal ; ovules mostly soli- 



