CLASS X. 
DECANDRIA. 
MONOGYNIA. 
(1) Flowers complete ; regular ; of many petals. 
MONO'TROPA. Calyx like a blossom ; protuberant at the 
base : Caps, five-celled ; many-seeded : ( Anth . of one 
cell, and two valves. E.) 
PY'ROLA. Petals five: Anthers opening with two pores: 
Caps, five-celled ; many-seeded. 
[^Geranium. Lythrum salicaria.] 
(2) Flowers of one petal; regular. 
(LEDUM. Cal. five-toothed: Petals five ; (five divisions. 
Gsertn. Stigma five-lobed : Capsule five-celled, opening 
from the base: Seeds enveloped in a reticulated mem¬ 
brane. E.) 
ANDROMEDA. Bloss. bell-shaped, or ovate : Caps, five- 
celled. 
ARDUTUS. Bloss. ovate, transparent at the base : Berry 
five-celled. 
[Yaccinium Myrtillus and Oxycoccos. Chlora perfoliata. (Men- 
ziesia coerulea. E.) 
(3) Flowers incomplete. 
QMercurialis.] 
DIGYNIA. 
SCLERA NTHUS. Bloss. none : Calyx five-cleft; superior : 
Seeds two, (one abortive. E.) 
CHRYSOSPLE'NIUM. Bloss. none : Calyx superior : Caps. 
two-beaked, many-seeded. 
SAXIF'RAGA. Bloss. five petals : Calyx with five divisions : 
Caps, one-celled ; two-beaked. 
