TABULAR ARRANGEMENT OF NATURAL ORDERS. X\ 



120. Salicece (p. 112). Ovary with parietal placentas, naked. Seeds woolly; no albumen 



121. Piperacece (p. 164). Ovary simple, naked. Embryo separated by a sac from the 



amylaceous albumen. 



122. Chloranthece (p. 172). Ovary simple, naked. Embryo in the top of fleshy albumen 



Gymnospermee. First leaves of the embryo opposite or whorled. Ovary open . 



123. Coniferce (p. 563). Trunk branched. Leaves entire. 



124. Cycadece (p. 504). Trunk simple. Leaves pinnate. 



Monocotyledones. First leaf of the embryo single. 

 A. Seeds devoid of albumen. Embryo hollow above. 



125. Alismaceai (p. 505). Flowers corollate. Ovaries distinct, superior. 



126. Hydrocharidea (p. 506). Flowers corollate. Ovary inferior. 



127. Najadece (p. 506). Flowers apetalous or naked. 

 [Cf. Aroideaj (p. 307).] 



B. Seeds albuminous. Flowers on a spadix. 



128. Aroidece (p. 507). Spadix supported by a spathe. 



129. Typhacece (p. 512). Spadices 2-several, one above the other. 



130. Pandanece (p. 513). Spadix supported by spathes. Leaves at the summit of ih- 



trunk. 



131. Palmce (p. 513). Spadix supported by spathes. Embryo in a special cavity of tb 



albumen. Leaves at the summit of the trunk, usually divided. 



C. Embryo in a special opercalate cavity xfThe nmylaceous albumen. 



132. Commelynece (p. 523). Flowers corollate. 



D. Embryo on the outside of amylaceous albumen. 



133. Xyridece (p. 525). Flowers corollate. 



134. Restiacete (p. 526). Flowers glumaceous. Ovary single in the ovary-cells. 



135. Graminea (p. 527). Flowers enclosed by glumaceous bracts. Ovary simple; ovui 



single, lateral. 



E. Embryo included in amylaceous albumen. Flowers naked or glumaceous. 



136. Cyperacea (p. 562). Flowers enclosed by glumaceous bracts. Ovary simple; ovul. 



single, erect. 



137. Juncea (p. 581). Calyx glumaceous. Capsule many-3-seeded. 



F. Embryo included in fleshy corneous albumen. Perigone coloured. 



138. Liliacece (p. 587). Flowers hermaphrodite. Pericarp capsular. 



139. Smilaceae (p. 585). Pericarp usually fleshy. Ovary superior. Albumen corneous. 



140. Pioscorea; (p. 586). Flowers unisexual. Ovary inferior. 



141. Iridea (p. 589). Flowers hermaphrodite. Stamens 3, alternate to the inner per 



gone. Ovary inferior. 



G. Embryo included in amylaceous albumen. Perigone coloured. 



142. Hmmadoracea (p. 589). Perigone uniserial, of 6 divisions. Stamens 6-3. Leave 



equally eqnitant. 



143. Pontederiacece (p. 590). Perigone asymmetrical, of 6 divisions. Stamens 6-3, ur 



eqnal. Aquatic plants. 



144. Bromeliacece (p. 590): Perigone biserial, of 3 exterior and 3 interior divisions. Stt 



mens 6. 



145. Musacece (p. 599). Perigone biserial, unequal. Stamens 6 ; one sterile or abortiv< 



Terrestrial, often arborescent plants. 



146. Scitaminea (p. 600). Perigone biserial, of 3 exterior and asymmetrical interior div 



sions. Fertile stamen 1. 



