DIDYNAMIA..GYMNOSPERMIA; 979 
Ons. The Involucrum of the cups constitutes its essential 
character. The cup, in some species, is nearly equal, with 5 
teeth; in. others it consists of 2 lips, the upper. lip large and 
entire, the lewer lip hardly perceptible ; in ethers again, the 
cup is formed of 2 leaves. Linn. 
- THY’MUS. Tourn. 93. : 
Car. Cup 1 leaf, tubular, cloven half way down into 2 
lips, permanent. Mouth closed by soft hairs. Upper 
lip broader, flat, upright, with 3 teeth. Lower dip with 
. 2 bristles, of equal length. ‘ 
Loss. 1 petal, gaping. ube as long as the cup. Mouth 
- small. "Upper lip short, flat, upright, Foiled at the 
~ vend, blunt. Lower lip long, expanding, broader, with 
3 segments, blunt; middle Segment : 
Sines Samal, @ lerigpand- shott; crooked. dathers 
- Pist.Germen. with 4 divisions, Style thread-shaped. 
“Summit cloven, acute. eee: 
S. Vess. none. The Cup becoming narrow at the neck 
incloses the seeds. zs ee 
SrEps 4, small, roundish. — 
MELIS’SA. Tourn. 91 & 92, Calamintha. ..... 
Can. Cup 1 leaf, somewhat bell-shaped, dry and skinny, 
6 litte expanding, angular, rae wart Aue Mouth 
with 2 lips. Upper lip with 3 teeth, reflected, gee 
ing, flat. Lower lip short, rather pointed, divided, 
Bross. 1 petal, gaping. Tube cylindrical. Mouth open. 
“Upper lip short, upright, vaulted, roundish, cloven. — 
Lower lip with 3 clefts, the middle Segment largest, 
heart-shaped. . Ae gee 
Stam. Filaments 4, aw)-shaped, 2 as long as the blossom, 
the other 2 but half as long. Anthers small, leaning 
__ together in pairs. Sergey tt 
Pist. Germen ag 4 clefts. Style thread-shaped, as long 
as the blossom, leaning along with the stamens under 
the upper lip of the blossom. Summits slender, cloven, 
reflected. arg i a2 pe #0) 
S. Vess. none. The Cup unchanged, but enlarging, con~ 
'- tains the seeds. ee 
Steps 4, egg-shaped. ge Mane ial 
