836 Labiatae. 
25 cm broad, petioled, bipinnatisect, segments oblong-lanceolate to 
linear, incised and dentate; cauline leaves smaller, the upper ones 
sessile; floral leaves ovate-oblong, incised, the upper ones shorter 
than the flowers. Whorls numerous, many flowered; outer bracts 
linear-lanceolate; calyx fleecy, truncate, teeth broad, short, ending 
in very-short, straight prickly points; corolla yellowish white or 
purplish, — Flow. March to April. 
M. p. El-‘Arish; Faqira. 
Also known from Arabia Petraea, Palestine and Syria. 4 
483. (20.) Prasium Linn. 
Calyx campanulate, 10-nerved, irregularly 2-lipped, the upper 
lip short-trifid, the lower one deeply 2-parted. Corolla-tube included, 
with a scaly-hairy ring within, the lips of equal length, the upper 
ovate, entire, the lower ones trifid, the middle lobe larger, entire. 
Stamens ascending under the hood, the anther-cells divergent. 
Style equally bifid. Nutlets somewhat drupaceous. — Shrubs. 
A small genus widely distributed in the Mediterranean region and Europe. 
1174. Prasium maius L. Spec. Plant. I (1753), p.838. — 
Viv. Flor. Libyc., p. 31. — Boiss. Flor. Or. IV, p. 798. — Rehbch. 
Ic. XVII, tab. 2 fig. 1. — °Prasium minus Viv. Flor. Libye., p. 31. 
— A perennial plant, 50 ¢m to 1,5 m high or sometimes especially 
in shady places somewhat more, glabrous or sparingly hispidulous 
above. Leaves ovate, 1,5—3 em long, truncate or cordate at the 
hase, petioled, crenate or serrate, the floral ones narrower, less dentate. 
Whorls 2-flowered, more or less distant; calyx 1,2 cm long in flower, 
short pedicelled, green, glabrous, with ovate, aristate teeth, the 
lower two longer than the tube, the upper three irregularly connate; 
corolla white. — Flow. March to April. 
M. ma. Old quarries N. N. W. of Behig; Mariut. 
Also known from the other parts of the Mediterranean region. 
484. (21.) Teucrium Tourn. 
| Calyx-teeth 5, equal or the upper one more frequently larger 
than the others. Corolla-tube short, the 4 upper lobes nearly equal 
or the 2 uppermost larger, all 4 lateral, erect or declinate, the 
middle lower lobe larger, obovate or oblong, spreading and usually 
concave. Stamens 4, in. pairs, exserted from between the upper 
corolla-lobes and arched over the corolla. Anthers reniform, 1-celled 
by confluence of the cells. Style shortly bifid- at the end. Nuts 
laterally attached to near or to above the middle, reticulate-rugose 
