CLASS VI. ORDER XIII. 
45 
Fritila'ria. Corolla inferior, 6 petalled, bell-form, with a nectariferous cavity 
above the claw of each ; stamens of the length of the corolla ; seeds flat, 
(crown-imperial.) S. 
Scil'^la. Corolla 6-petalled, spreading, caducous; filament thread-form, 
attached to the base of the petals, (squills.) /S*. 
C. Flowers with a single, calyx-like perianth, without a spatha. 
A^'coRUs. Receptacle spadix-like, cylindric, covered with florets; calyx 6- 
parted, naked ; corolla 0, (or calyx 0, corolla 6-parted or 6-petalled;) style 0; 
stigma small ; capsule 3-celled, 3-seeded. (sweet-flag.) 
JuN^'cus. Glume or outer calyx 3 valved; perianth inferior, 6-leaved, glume- 
like, permanent; stigmas 3; capsule 1 or 2-celled5 3-valved, many-seeded; 
seeds attached to a partition in the middle of each valve, (rush-grass,"bulrush.) 
Oron'^tidm. Spadix cylindrical, crowded with flowers ; perianth 6-petalled, 
naked ; stigma 0 ; capsule bladder-like, 1-seeded. (flowering arum.) 
Luzu^LA. Perianth 6-parted, glumaceous; capsule .superior, 3-celled, 3-valv- 
ed ; cells 1-seeded, (false rush-grass.) 
ORDER II. DYGY.NIA. 
Ory^za, Calyx glume 2-vaived ; 1-flowered; corolla 2-valved, adhering to 
the seed, (rice.) Ex. 
ORDER III. TRIGYNIA. 
Vera'trum. Polygamous; calyx 0; corolla 6-parted, expanding; segments 
sessile, without glands; stamens inserted upon the receptacle; capsules 3 united, 
many-seeded. 
TRiL'^yuM^ Calyx 3-leaved, inferior, spreading; corolla 3-petalled ; styles 0; 
stigmas 3 ; berry 3-celled, many-seeded, (false wake-robin.) 
Ru'mex. Calyx 3-leaved; petals 3, valve-like, converging, (or calyx 6-sepal- 
iefl, and corolla 0;) stigmas many-cleft ; seed 1, naked, 3-sided, (dock, field- 
sorrel.) 
MELAN^rmuM. Polygamous; perianth rotate, 6-parted; segments with 2 
glands at the base of each ; claws staminiferous; capsule sub-ovate, 3-celled j, 
apex 3-cleft; seeds many, membranaceous winged, (black flower.) 
Zigade'nus. Perianth 6-leaved, coloured, spreading, with 2 glands above-the 
narrow base of each leaf; stamens inserted in contact with the germ; capsule 
3-celled, many-seeded. 
Helo'nias. Perianth 6-parted, .spreading, without glands; styles 3, distinct; 
capsule 3-celled, 3-horned ; cells few-seeded. 
Xerophyl"lum. Perianth sub-rotate, deeply 6-parted; stigmas 3, revolute; 
capsule sub-globose, 3-celled; cells 2-seeded, opening at the top, 
Topiel'^da. Perianth 6-parted, with a small 3-parted involucre ; capsule 3 to 
6-celled; cells many-seeded. 
Scheuchze'ria. Perianth 6-parted; anthers linear; stigmas sessile, lateral; 
capsule inflated, 2-valved, 1 to 2-seeded. 
Triglo'chin. Perianth of 6 deciduous leaves, 3 inserted above the rest; sta- 
mens very short; capsules 3 to 6, united by a longitudinal receptacle, (arrow- 
grass.) 
Medeo'la, Perianth 6-parted, revolute ; stigmas 3-divaricate, united at the 
base ; berry 3-celled; cells 3 to 6-seeded, (Indian cucumber.) 
Sa'bal, Flowers perfect; spathas partial; filaments free, thickened at the 
base; 1 to 3-seeded, seeds bony, (false fan-palm.) S. 
Cham^e'rops, Flowers polygamous; spatha compressed; spadix branched; 
perianth 3-parted; corolla 3-petalled ; filaments partly united ; drupe 3-celled, 
2 of them often empty. The staminate flowers grow on distinct plants, (fan- 
palm.) S. 
Calochor'^tus, Corolla 6-parted, spreading, 3 inner segments larger, with 
the upper side woolly; filaments short, inserted on the base of the petals; an- 
thers arrow-form ; stigmas reflexed ; capsule 3-celled, S. 
Nou'na, Corolla 6-parted, spreading, segments nearly equal; styles short ; 
stigmas recurved ; capsule 3-sided, 3-celled ; seed 1, convex. S. 
ORDER XIII. POLYGYNIA. 
Alis^'ma, Calyx 3-leaved; petals 3; capsules numerous, 1-seeded, not opening. 
