30 KEY TO PLANTS, 
Style 1, undivided. Ovule suspended 
from the top of the cell. Seed without 
an albumen. Laurineae. 
(4) Anthers dehiscing by longitudinal slits. 
Styles 2-3, distinct or connate below. 
Ovule basal or upon a basal funicle. 
Seed with an abundant albumen. 
Polygonaceae. 
30 (a) Ovule suspended from the top of the cell. 
Embryo straight. Stamens as many as 
the segments of the perianth and alter- 
nate with them or twice as many, rarely 
half their number (2), perigynous. 
Style 1, entire. Stigma 1, entire or 
notched. Thymelaeaceae. 
(4) Ovule erect from the base of the cell or 
attached to a basal funicle. Embryo 
curved or spiral. Stamens as many as 
the segments of the perianth and op- 
posite to them, or fewer; if stamens 2 
and perianth-segments 4, then either 
stamens hypogynous or stigmas 2-3; 
very rarely stamens twice as many as 
perianth-segments, but then styles 2. 
31. 
31 (a) Stamens distinctly perigynous. Styles 2, 
free. Leaves opposite. Herbs. Flowers 
