* 
418 | TETRANDRIA MONOGYNIA; Pladera. 
the mouth of the tube, the lowermost longer than the other three, 
and bearing an orange-coloured, and longer anther, whieh when 
shedding its pollen, is bent over the fissure of thé stigma; an- 
thers of the other three filaments equal, pale yellow.— Style single, 
length of the short filaments. Stigma two-cleft, segments recurved. 
— Capsule one-celled, many-seeded. 
3. P. decussata, R.* 
~ Annual, erect, four-winged, branches cross-armed. Leaves 
ovate-lanceolate, three-nerved. Flowers terminal, three-fold, pe- 
duncled. 2 
Beng. Dunkoni. 
This species resembles P. virgata, but isa little more robust, and 
seldom so high. It isa native of the same places. Pow time 
the same. - 
Stem about a foot high, perfectly erect, four-sided; angles very 
sharp, or rather membrane- winged, smooth, ramous, branches al- 
ways opposite, cross-armed, in other respects like the stem.— Leaves 
opposite, spreading, sessile, lanceolate, sharp-pointed, entire, 
smooth, three-nerved, size various.— Flowers terminal, and axillary, 
peduncled, the terminal flowers three-fold ; the axillary single, larg- 
ér than those of the last species, and white.— Peduncles four-sided, 
like the stem and branches.—Ca/yz large, four-toothed, four-sided, 
Morro Con stamens, &c. exactly as in the last species. 
‘A. P. perfoliata, R 
Annual, erect, MESSIS, Cauline leaves lanceolate, three- 
nerved ; floral leaves (or bractes) perfoliate. | 
Canscora, Lamarck's Encyclop. Bot. i. 601. 
Kansjan-Cora, Rheed. Mal. x. p. 103. t. 52. 
A native of India, where it delights in a low moist soil. Flow- 
' ering time the rainy season. _ | 
_ Root ramous, annual.—Stem erect, somewhat four-si 
Exacum alatam, Roth. Linn, Spe Veg. ed. Roem. et schult, iii. 169.—N. We - 
` 
ided, with 
