50 PENTANDKIA MONOGYNIA.

109. Iliecebrum. Caps. 1-seeded, superior. Cal. 5-leaved, cartilagi-nous.111. Thesium. Seed 1, corticated, inferior. Cal. staminiferous.Polygonum ].

ORDER II. DIGYNIA.

Fl. 1-pet. * inferior.

119. Swertia. Caps. 1-celled, Cor. rotate, with nectariferous pores at

the base of each segment.

120. Gentiana. Caps. 1-celled. Cor. tubular at the base, destitute of

nectariferous pores.118. Cuscuta. Caps. 2-celled. Cor. campanulate.Fl. b-pet. ** inferior.Staphylea 1.

*** Fl. incomplete.

116. SAt.sor,A. Seedl. cochleate, covered.

114. Chenopodium. Seed 1, lenticular, superior.

115. Beta. Seed 1, reniform, immersed in a fleshy calyx.113. Herniaria. Caps. 1-seeded, corticated. Filam. 5, barren.

117, Ulmus. Caps. 1-seeded, membranous, compressed.

Fl. 5-pel. superior **** 2-seeded. Umbelliferous.A. Involucre universal £9* partial

121. EavNGiuM. St. capitate. Recept. chaffy. Seed muricated.

122. Hydrocotyie. Umbel simple. Seed compressed. Pet. entire.

123. Sanicula. Umbels somewhat capitate: Florets of the disk abor-

tive. Seed with hooked prickles.135. Heracleum. Fl. radiate, abortive. Invol. deciduous. Seed mem-branous, compressed.

141. Oenanthe. Fl. radiate: those of the disk barren. Seed crowned,

sessile, suberose-corticated.

125. Echinophora. FL radiate, abortive: central ones female. Seed

immersed in the involucret.

127. Caucaus. Fl. radiate, abortive. Invol. simple. Seed muricated.

128. Daucus. Fl. radiate, abortive. Invol. pinnate. Seed muricated.

126. Tordylium. Fl. radiate, fertile, bwol. simple. Seed crenate at the

margin.

142. Coriandrum. Fl. radiate, abortive, lnvolucells halved. Fruit

spherical.

133. Peucedasum. Fl. flosculous, abortive. Invol, simple. Seed com-pressed, winged, striated.

130. Conium. Fl. flosculous, fertile. Pet. cordate. Seed gibbous, ribbedand furrowed. lnvolucells halved.

129. Bunium. FL flosculous, fertile. Pet. cordate. lnvolucells setaceous.132. Athamanta. Fl. flosculous, fertile. Pet. cordate. Seed convex,

striated.

124. Butleurum, Fl. flosculous, fertile. Pet. involute. Seed compressed,

striated.