Ne 
ho. = 
a No 
— 
. ScHa@NUS. 
TABLE OF GENERA, 
Order XCIV. MELANTHACEA. 
. Concuicum. Perianth funnel-shaped ; tube very long. 
- TorrenpiA. Perianth 6-parted. Styles short. 
Order XCY. RESTIACEA. 
. Ertocauton. The only British genus. 
Order XCVI. JUNCACEA. 
. Nartuecium. Perianth yellow, petal-like. 
. Juncus. Perianth scale-like. Capsule 3-celled. 
. Luzuus. Perianth scale-like. Capsule 1-celled. 
Order XCVII. BUTOMACEA. 
. Butomus. The only British genus. 
Order XCVIII. ALISMACE/H. 
. ActinocarPus. Stamens 6. Carpels 2-seeded. 
. AuisMA. Stamens 6. Carpels 1-seeded. 
. SAcirrariA. Flowers monecious. Stamens many. Leaves sagittate. 
Order XCIX,. JUNCAGINACEAK. 
. Trigrocuin, Ovary l. 
. SCHEUCHZERIA. Ovaries 3. 
Order C. TYPHACE. 
. Typua. Flowers in a long spike (spadix). 
. Sparganium. Flowers in globular heads. 
Order CI. ARACEAL, 
. Arum. The only British genus. 
Order CII. ORONTIACE A, 
. Acorus. The only British genus. 
Order CITI. PISTIACEA. 
. Lemna. The only British genus. 
Order CIV. N ATADACEM. 
_ Poramocrron. Perianth of 4 sepals. Carpels 4, sessile. 
-Rurrra. Perianth wanting. Carpels 4, on long stalks. 
_ ZANNICHELLIA. Flowers axillary, in a membranous bract. 
_ Zosrera. Flowers in a slit in the grass-like leaf. 
Order CV. CYPERACEAL, 
. Cyperus. Spikelets many-flowered, 2-ranked, nearly all fertile. 
Spikelets 2_A-flowered, 2-ranked. Lower glumes empty. 
deciduous. 
xlvil 
Style 
