334 LABIAT (Skan). | Cedronella. 
somewhat flat, 2-fid or emarginate ; lower spreading, 3-fid, with the 
median lobe largest. Stamens 4, didynamous, the upper longer than 
the lower, ascending under the upper lip or exserted ; anthers 
2-celled ; cells parallel, distinct. Disk subequal. Style shortly 
2-fid at the apex ; lobes subulate, subequal. Nutlets ovoid, smooth. 
Herbs or shrubs ; leaves toothed or in 1 species 3-foliate, the floral reduced to 
bracts; whorls loosely few-flowered or densely many-flowered, crowded in a 
terminal spike or raceme ; bracteoles small, setaceous ; corolla red, violet, purple 
or blue, often showy. 
g Disrris. Species 12, chiefly natives of North and Central America; 1 in 
Japan. 
1. C. triphylla (Moench, Meth. 412); plant with an odour of 
balsam ; stem tall, woody at the base, herbaceous above, simple or 
branched, sharply 4-angled, glabrous or nearly so; leaves petiolate, 
3-foliolate ; leaflets Janceolate, acuminate, 1-3} in. long, 4-1} in. 
broad, the median larger than the lateral and stalked, crenate or 
crenate-serrate, glabrous or pubescent beneath; lateral leaflets 
subsessile, oblique at the base, sometimes unequally 2-lobed ; petiole 
4-1} (usually }4~1}) in. long; whorls 6~—12-flowered, in dense 
sometimes slightly interrupted oblong terminal spikes 1—24 in. long ; 
calyx tubular-campanulate, about 5 lin. long, pubescent, gland- 
dotted; teeth equal, lanceolate-triangular, subulate at the apex, 
1} lin. long ; corolla about 9 lin. long, tawny-purple, marbled ; tube 
narrow at the base, very much dilated towards the throat. Benth. 
Lab. 502, and in DO. Prodr. xii. 406. ©. canariensis, Webb et 
Berth. Phyt. Canar. iii. 87. ©. canariensis viscosa, etc., Commel. 
Hort. Amstel. ii, 81, t. 41. Dracocephalum canariense, Linn. Sp. Pl. 
ed. ii. 829. 
Coast ReGion: Cape: Div.; Devils Peak, 900 ft., Bolus, 4624! thicket near 
Blockhouse, Wolley Dod, 684! Caledon Div.; Caledon, Mrs. Southey in Herb. 
Galpin, 7850 | 
Introduced. A native of the Canaries and Madeira. 
XVIII. ACROTOME, Benth. 
Calyx tubular-campanulate, slightly oblique or almost equal at the 
mouth, 10- or 1l-nerved, 5—11-toothed. Corolla-tube as long as the 
calyx or exserted, exannulate inside; limb 2-lipped; upper lip 
erect, slightly arched, entire or emarginate; lower lip spreading, 
3-lobed, the median lobe larger than the lateral. Stamens 4, 
didynamous, the lower pair longer than the upper, included ; 
anthers 1-celled by confluence, of the upper stamens short, ovate, of 
the lower oblong, twice as long. Disk equal. Style included, 
barbate at the apex, almost entire or very shortly 2-fid. Nuélets 
triquetrous, truncate at the apex. | 
Herb or undershrubs ; leaves entire or toothed, the floral similar to the others 
or gradually reduced in size ; whorls few- or densely many-flowered, in the axils 
of is Ae leaves ; flowers small, sessile ; calyx in the fruiting-stage more or less 
enlarged. 
