MONOCOTYLEDOKES. 705 



B. Ovary superior. 

 &. Placentas basal Hoxburgliiaaas. 245. 



b. Placentas axile. 



Leaves whorled, not articulated . , . Trilliac^ae. 244. 

 Leaves not whorled, aiticulated . . . Smilacece. 243. 



c. Placentas parietal Philesiacece. 246. 



Sub-class II. Tetaloidece, 

 1. Flowers with ax E^^DE^^T Periaxth. 



A. Ovary inferior (Epigynce). 

 SL. Flowers gynandrous. 



Ovary 1-celled. Placentas parietal . , . Orchidacece. 247. 

 Ovary 3-celled. Placentas axile . . . Apostasiacece. 2iS, 

 b. Flowers not gynandrous. 



1. Veins of leaves diverging from the midrib, 



and parallel to each other. 

 Embryo enclosed in a vitellus. 

 Anther 2-celled. Filament one, not pe- 



taloid ZingiberaceoE. 250. 



Embryo not enclosed in a viteUus. 

 Anther 1-celled. Filament one . . MarantacexE. 251. 

 Anther 2-ceUed. Filaments more than 

 one MusacecB. 252. 



2. Veins of leaves diverging from the base, 



and parallel to the midrib. 

 Stamens 3. 



Anthers extrorse Iridacece. 253. 



Anthers introrse BurmanniacecE. 249. 



Stamens 6. 



Anthers extrorse Burmanniacece. 249. 



Anthers introrse. 



Leaves equitant Htemodoracece. 256. 



Leaves flat. 



Fruit 1-ceUed TaccacecE. 257. 



Fruit 3-ceUed. 

 Outer whorl of the perianth petaloid. 

 Radicle next the hilum. Leaves 



not dry AmaryllidacecE. 254. 



Radicle remote from the hUum. 



Leaves dry .... Eypoxidacece. 255. 

 Outer whorl of the perianth not pe- 



taloid BromeliacecE. 258. 



Stamens more than 6 Hydrocharidacece. 280. 



B. Ovary superior {Hypogynce). 



a. Outer whorl of the perianth herbaceous or glu- 

 maceous. 

 Carpels more or less distinct. 

 Seeds attached over the whole inner walls of 



the fruit Butomaceae. 272. 



Seeds attached to axile or basal placentas. 

 Flowers conspicuous. Embryo curved, 



wthout a slit AUsmacece. 271. 



Flowers inconspicuous. Embryo sti'aight, 

 with a lateral slit ..'... Juncaginacece. 270. 

 Carpels combined. 

 Inner whorl of the perianth different from 

 the outer. 

 Placentas axUe. Anthers 2-celled. Capsule 



2— 3-celled CommelynacecE. 264. 



z z 



