B, 
( 32.) 
Trillium.—Sepals 3. Petals 3. Stig- 
mas 3, almost sessile. 
Lythrum.—Calyx tubular, 8-12-dentate. 
Petals 4—8. 
Trientalis.—Calyx 6-7 cleft, Corolla 
6-8 parted, spreading. Capsule 6-8- 
valved, l-celled. Placenta central. 
Prankenia.—Calyx tubular, 5-cleft. Pet- 
als 5, unguiculate. Capsule 1-celled, de- 
hiscent by valves. Ovules few, inserted 
ov parietal placentae. 
Floral parts incomplete. Perigoniwm corol- 
line, gamosepalous. 
Muilla (Hesperoscordum) Perigonium 
deeply 6-parted, campanulate. Stamens 
inserted on the base of the perigonium. 
Brociszea.—Perigonium 6-lobed, funnel- 
shaped. Stamsns inserted on the throat, 
alternately sterile. 
Triteleia.—Perigonium 6-lobed, salver- 
shaped. Stamens inserted alternately 
on the throat and on the middle of the 
tube, 
C. Floral parts incomplete. Perigoniwm corol- 
1. 
line, 6-sepalous. 
a Style 3-cleft. or 8 sessile stigmas. 
Fritillaria—Sepals of perigonium with 
a nectarium at the base. 
