24 
229. Ovary 2-celled ; fruit a 1-seeded 
nut, on a cup or in a capsule- 
like involucre; tree; no al- 
bumen 
230. Tree or erect shrub. wins 
231. Stem woody, solid — Jg 
hollow "o d 
232. agora none ^... 
anth segments 
233. [tram plicate or nost ect 
Leaves not puse. or pinnatisect 
234, Cli ie ss me: 
Not a climber  ... vds in 
235. Tendrils present... isi es 
Tendrils absent ... 
236. Leaves pinnatisect, parallel-veined 
Leaves not pinnatisect, net-veined 
237. Flowers not in dense spikes 
owers in spathes in dense v spikes 
( spa Bs 
238. Petanth Corbin 
erianth 6-merous eX 
239. Leaves E falcate bus 
alc 
Leaves net-veined, not falcate 
240. Leaves VADE veined, or none ... 
Leaves net-veine T 
241, Ovary superior ... 
244 Perianth petal-lik oe = 
erianth calyx-like d 
245. Perianth of 4 or 6 segments — ... 
Perianth of 2 segments s 
246. -Flowers in dense 
heads, perianth 
segments transparent and very 
sm 
Flowers not in donis heads, and 
perianth segments not trans- 
parent and very sm 
247. Flowers proceeding from middle of 
Flowers not p oceeding from 
middle of petiole — ... ide 
248. Sus Hoa i» e 
ary syncarpou iu : 
249. Perisath of six segments dee 
erianth 0 ^ ia A 
250. Floating plant... sis 
. Non-floating plant = --.... 
Amentaceae (p. 251). 
231. 
234. 
Gramineae (p. 3 07). 
brass AP 287). 
Palmae e 385). 
Liliaceae (p. 211). 
2395. 
24^. 
236. 
Palmae (p. 285). 
Liliaceae (p. 211). 
' 238. 
Araceae (p. 287). 
ee (p. 276). 
silio. "am J 
Dioscoreaceae (p. 276). 
Araceae (p. 287). 
242. 
J uncaceae (p. 285). 
Philydraceàe (p. 282). 
Eriocaulonaceae (p. 291). 
247. 
Pontederiaceae (p. 281). 
Liliaceae (p. 277). 
Alismaceae (p. 290). 
Commelinaceae (p. 282). 
Xyridaceae (p. 282). 
251. 
252. 
