to the Genera.] VIL—HEXANDRIA. 73 
Stamens alternate with petals :— 
Leaves gland-dotted 144. Atalantia. 
Leaves not gland-dotted ......... 207. Semecarpus. 
Sta opposite petals 355. Homalium. 
sPesianth ih of “sepals only; leaves stipulate :— 
[p. 72] 
Stipules lateral, free; trees ............ 852. Holoptelea. 
Stipules ochreate ; herbs :— 
Stigmas capitellate 787. Polygonum. 
Stigmas fimbriate 788. Rumex. 
}Venation of leaves parallel :—[p. 71] 
§§Ovary inferior :—{p. 74] ~ 
Flowers more or less sunk in the rachis, all the flowers of the 
ipiprireape confluent with the accrescent rachis and bracts 
a fles shy co cone-like fruit 945. Ananas. 
as all free :— 
Ovary 1-celled ; ovules many :— 
uter perianth-segments calycine, inner petaloid ; 
placentas intruded so° that the ovarian chamber is 
almost 6-celled; submerged aquatic herbs 
8 
Outer perianth-segments firm like the inner, both sub- 
herbaceous or lurid; placentas 3 parietal; leaves radical ; 
flowers in involucrate umbels on leafless sca, 
acca. 
Ovary 3-celled; outer oo -segments white, ‘pink, or 
yellow, petaloid like the in 
Leaves large, thick, ih pte densely clustered on a 
rootstock or a short, simple stem, spiny at tip and usually 
armed along the edge; scape long, terminal, simple or 
oo oa ards apex :— 
Inflorescence simple spicate, or compound thyrsoid ; 
sana longer than perianth; filamen sa? filiform or 
flattened at the base; style filiform......-.. ‘aye. 
eG laxly paniculate; stamens ssi 
perianth ; filaments thickened at base ; a keel 
in the Middle ........cseeceneneceeeeeeeeseeees . Furcrea. 
— thin and fiat or, if ae comet un- 
+ {Rootatock tuberous ; meee strongly nerved, flat or 
Slinates . flowers spicate or racemose, very rarely 8 sub- 
umbellate ; perianth he +=[p. 7 
