290 LABIATA (Cooke). | Coleus. 
quadrangular ; verticils 4—6-flowered, not pedunculate, separated in 
fruit 4—5 lin. in the lower, closer in the upper part of the raceme ; 
bracts large, reaching as much as 5 lin. long (including the mucro), 
4 lin. broad, broadly ovate, acute, with ciliate margins and a pur- 
plish mucro reaching 1 lin. long; pedicels 2-2} lin. long, erect, 
pubescent, drooping at the tip; flowering calyx 1}-2 lin. long, 
campanulate, hairy ; upper tooth 1 lin. long and as broad or broader 
than long, orbicular-ovate, very shortly acuminate ; 2 lateral teeth 
deltoid, acute, ciliate, 3 lin. long; 2 lower teeth linear-lanceolate, 
acute, slightly longer than the lateral ; fruiting calyx 2}—3 lin. long, 
curved, densely villous in the throat within ; upper tooth shortly 
acuminate, strongly nerved ; corolla purple (Wood), } in. long ; tube 
23 lin, long, deflexed about the middle, slightly enlarged upwards ; 
upper lip 1-2 lin. long, obovate, cuneate, 4-lobed ; lower lip 3} lin. 
long, boat-shaped ; filaments connate below for 14 lin. ; upper pair 
of filaments 3 lin. long ; lower pair 4 lin. long ; style longer than 
the stamens; nutlets nearly 3 lin. long and broad, subglobosely 
ovoid, smooth, brown-black, minutely punctate. 
Coast Recton : Peddie Div. ; Breakfast Vley, Krook, 1716! East London Div. ; 
near Kintza River mouth, 50 ft., Galpin, 6554! : 
KaraHari Region: Transvaal; near Barberton, 3000 ft., Thorneroft, 109 ! 
Wood, 4295 ; near Lydenburg, Atherstone ! 
Eastern Recion: Natal; Byrne, Wood, 3199! Mooi River, 2000-3000 ift., 
Wood, 4340! 
VII. PYCNOSTACHYS, Hook. 
Calyx ovoid-campanulate, slightly accrescent in fruit; teeth 5 
subulate, rigid, at length spreading, subspinescent. Corolla blue, 
pink or violet; tube exserted, deflexed, enlarged in the throat ; 
limb 2-lipped ; upper lip 4-toothed, shorter than the lower ; lower 
entire, concave. Stamens 4, didynamous, declinate ; filaments free, 
without teeth; anthers confluent, i-celled. Disk subequal. Style 
very shortly 2-fid at the tip; lobes subulate, equal. Nutlets sub- 
rotund, smooth. 
Perennial erect herbs ; leaves opposite or whorled, broad or narrow, sessile or 
petiolate ; flowers densely crowded into simple terminal spikes, sessile; bracts 
shorter or longer than the calyx. 
Distris. Species about 40, in Tropical and South Africa, 
Leaves on long petioles, ovate a ae nae ... (1) urticifolia, 
Leaves sessile or subsessile, lanceolate or linear-lanceolate : 
Leaves usually broadly lanceolate, densely puberulous 
on all the veins beneath; secondary veins 
horizontal 3 Ubi ... (2) reticulata. 
Leaves linear-lanceolate or narrowly lanceolate, very 
minutely puberulous or subglabrous on the 
primary veins beneath ; secondary veins obliquely 
ascending ... os sae : ioe ... (3) purpurascens. 
