840 BENGAL PLANTS. 
Whorls in terminal and axillary, globose or ovoid heads, 
with imbricate bracts; calyx suberect, upper lip widely 
1-lobed, nem and lateral lobes united in an entire or 
MPMI TOWER TED cc spelen cs ceqnekretaduncycnenves Acrocephalus. _ 
Whorls racemose or subspicate ; calyx usually  decttniel 
upper lip widely 1-lobed, with the anterior and lateral pairs 
not connate, subequal, smaller; or upper lip 3-lobed, with 
posterior and lateral canis subconnate, and lower lip 2-lobed, 
with anterior lobes subconnate :— 
Racemes simple; bracts oe ; calyx in fruit 
deen pitted near base; posterior mi even when 
upper lip 3-lobed, wider as lateral | 
C 
gee ae 
Racemes panicled; bracts small; calyx in fruit not 
pitted ; lateral lobes, when upper lip 1-lobed, subequal 
with anterior lobes, when upper lip 3-lobed ere with 
posterior lobe osma. 
@Lower lip ot corolla deflexed, concave, iia’ or sac- 
cate:—[p. 83 
Corolla with upper lip very short, obtusely 3-4-toothed ; lower 
lip much elongated, boat-shaped :— 
x equally 5-toothed or somewhat 2-lipped, with 
3-toothed upper and 2-toothed bie: lip, or with upper lobe 
large, rounded, reflexed, the others narrow, subulate :-— 
Filaments free Plec 
ant 
ee connate in a sheath at their bases, round the 
..Coleu 
Calyx very oblique, 2-lipped, with upper lobe large, entire, 
t 
5-toothed, incurved, but not quite ipeenek ed calyx- 
sochilus. 
ing obscurely 2-lipped, with two upper soe aa, similar 
and subequal to two lateral, all about as long as the pahies: 
TES saccate lower lip, with thickened margin and muc 
acted base ; calyx-teeth subequal...............00.00- Hypti 
Atlechment of oe slightly oblique to the outer side; sale 
lobes subequal ; e 13-15-nerved; corolla 2-lipped; upper lip 
2-fid, lower 3- ‘ee pet all flat, spreading ; stamens included in : 
tube [p. 839] 
avandula. 
aN aE TT ee ee rn 
{Stamens erect or §) spreading or ascending :—[p. 839] 
§Stamens 4, perfect:—[p. 841 
Corolla-lobes 4 or 5, flat, subequal and similar, or the lowest 
