TETRANDRIA. 
213 
(4) Flowers of one petal, beneath ; and four naked seeds. 
[[Mentha.] 
(5) Flowers of one petal; above the germen. 
SANGUISOR'BA. Bloss. flat: Cal two leaved : Caps, qua¬ 
drangular, (of one cell, not bursting : Siam, dilated up¬ 
ward. E.) 
(6) Flowers of one petal ; superior ; and two berries. Stellate. 
RU'BIA. Bloss . bell-shaped : Fruit like two pulpy berries, 
united. 
GA'LIUM. Bloss. flat, four-cleft: Fruit nearly globular, sube- 
rose : Florets all perfect. 
ASPER'ULA. Bloss. tubular: Fruit nearly globular, (sube- 
rose, without a crown. E.) 
SIIERAR'DIA. Bloss. tubular : Fruit crowned: Seeds tri- 
dentate. 
(7) Flowers of four petals ; beneath the germen. 
EMPIME'DIUM. Nectariferous petals four, reclining : Cal 
four leaved : Pod one cell, (superior, many-seeded. E.) 
(Xardamine hirsuta. Evonymus europaeus. Parietaria officinalis.] 
(8) Flowers of four petals ; above the germen, 
CORNUS. Cal quadridentate; deciduous: Drupa a nut, 
two-celled: inferior. 
(9) Flowers incomplete; beneath the germen. 
(ISNAR'DIA. Cal. four-cleft; superior : Caps, quadrangular, 
of four cells, crowned by the calyx. E.) 
ALCHEMIL/LA. Chi. eight cleft : Seed one, (surrounded by 
the perianth. E.) 
PARIETA'RIA. Cal four-cleft: Seed one, elongated. (Some 
flowers without stamens, their calyx remaining unaltered. 
XJRTFCA. Flowers barren and fertile on the same, rarely on 
distinct plants. 
B. Cal. four-leaved : Nectary central; cyathiform. 
F. Cal. two-valved : Seed one ; glossy. 
(10) Flowers incomplete ; above the germen. 
VIS'CUM. Flowers barren and fertile on distinct plants. 
B. Cal. with four divisions : Anthers fixed to the calyx 
without any intervening filaments. 
