HEXANDRIA. 



(20) 



OCTANDRIA. 



ORYZA, Rice Calix glume two-valved, one-flowered ; corolla 

 two-valved, almost equal, growing to the seed. 



EHRHARTA Calix a glume of two valves, single-flowered ; 

 corolla double, each of two valves, the outer corolla 

 notched at the base. 



NECTRIS Calix six-parted, inferior, the three interior seg- 

 ments petaloid, smaller, and obtuse; corolla none; cap- 

 sule subcarnose, one-celled, one or two seeded, crowned 

 by the persistent style. 



PERIPLOCA Nectary encircling the genitals, and putting 

 forth five threads. 



3. TRIGYNIA (Three Pistils.) 



FLAGELLARIA Calix in six deep segments; corolla none ; 

 drupe with one seed. 



RUMEX, Dock Calix three-leaved; petals converging; seed 

 one, three-seeded. 



SCHEUCHZERIA Calix six-parted; corolla none; styles 

 none ; capsules three, inflated, one-seeded. 



TRIGLOCHIN, Arrow Grass Calix three-leaved ; petals 

 three, calix-form ; style none; capsule opening at the base. 



MELANTHIUM Corolla six-petalled ; filaments from the 

 el'ongated claws of the corolla. 



MEDEOLA Calix none; corolla six-parted, revolute ; berry 

 three-seeded. 



TRILLIUM Calix three-leaved ; corolla three-petalled ; berry 

 three-icelled. 



COLCHICUM, Meadow Saffron Calix a spathe; corolla six- 

 parted, with a rooted tube ; capsules three, connected, in- 

 flated. 



HELONIAS Calix none ; corolla six-petalled ; capsule three- 

 celled. 



WURMBEA Calix none ; corolla in six deep equal segments, 

 with an hexagonal tube ; capsule superior. 



CALOCHORTUS Corolla six-parted, spreading, the three 

 interior segments larger, with the upperside woolly, and 

 marked near the base with a roundish smooth spot ; fila- 

 ments very short, inserted upon the base of the petals ; 

 anthers sagittate, erect; stigma reflexed ; capsule three- 

 celled. 



NOLINEA Corolla six-parted, spreading; segments sub- 

 equal ; style very short ; stigmas recurved ; capsule three- 

 sided, membranaceous, three-celled ; cells one-seeded ; 

 seeds incurved, convex, one or two of them abortive. 



SABAL, Small Fan-palm Spathes partial ; filaments of the 

 stamens unconnected, thickish at the base ; drupe sphe- 

 rical, dry, and cartilaginous, one-seeded ; seed indurated. 

 Flowers hermaphrodite. 



TOFIELDIA Calix trifid ; petals six ; capsules three, supe- 

 rior, united at the base, many-seeded ; seeds naked ; styles 

 vertical, very short. 



XEROPHYLLUM Corolla sub-rotate; filaments of the sta- 

 mens contiguous at the base; stigmas three, revolute, 

 partly united below; capsule subglobose, opening at the 

 summit by three chinks, three-celled ; cells two-seeded. 



ZIGADENUS Corolla six-parted, spreading; stamens in- 

 serted in contact with the germen ; styles three, partly 

 united at the base ; capsule included in the persistent 

 corolla, subovate, acute, three-celled ; cells many-seeded ; 

 seeds linear-oblong, apterous. 



4. TETRAGYNIA (Four Pistils.) 



SAURURUS, Lizard's Tail Calix an ament, with one-flowered 

 scales; corolla none; germens four; berries four, one- 



seeded. Or, Flowers in an ament, or crowded spike; 

 scales one-flowered ; corolla none ; filaments and anthers 

 adnate; capsules four, each one, or rarely two seeded, 

 not opening. 



5. HEXAGYNIA (Six Pistils.) 



DAMASONIUM Spathe one-leafed; perianth one-leafed, 

 three-parted; petals three; berry ten-celled, inferior. 



WENDLANDIA Calix of six leaves; petals six, succulent; 

 styles reclining ; capsules six, of one cell ; seeds solitary. 



6. POLYGYNIA (Many Pistils.) 



ALISMA, Water Plantain Calix three-leaved ; petals three ; 

 seeds several, (capsules many, one-seeded, not opening.) 



CLASS VIZ. HEPTANDRIA. 



Consisting of Plants with seven separate or distinct Stamens 

 in the same Flower with the Pistil or Pistils. 



1. MONOGYNIA (One Pistil.) 



TRIENTALIS, Chickweed Winter-green Calix seven-leaved ; 

 corolla seven-parted, equal, flat; berry juiceless. 



DISANDRA Calix seven-leaved; corolla seven-parted, flat : 

 capsule two-celled. 



.ZEscuLus, Horse Chestnut Calix one-leafed, five-toothed, 

 yentncose; corolla five-petalled, irregularly coloured, 

 inserted into the calix ; capsule three-celled. 



PETIVERIA. See Hexandria Monogynia. 



PETROCARYA Calix turbinate, five-cleft, with two bractes 

 at the base ; corolla five-petalled, less than the calix ; fila- 

 ments fourteen, seven of which are barren; drupe enclos- 

 ing a two-celled nut, with a stony cell. 



PISONIA. See Polygamia Dicecia. 



3. DIGYNIA (Two Pistils.) 



LIMEUM Calix five-leaved; petals five, equal; capsule glo- 

 bular, two-celled ; seeds solitary, concave. 



3. HEPTAGYNIA (Seven Pistils.) 



SEPTAS Calix seven-parted ; petals seven ; germens seven ; 

 capsules seven, many-seeded. 



CLASS VIII. OCTANDRIA. 



Consisting of such Plants as have Hermaphrodite Flowers 

 furnished with eight Stamens. 



1. MONOGYNIA (One Pistil.) 

 TROP^OLEUM, Indian Cress Calix one-leafed, with a nec- 

 tariferous spur; petals four, unequal; nuts three, cori- 

 aceous. 



OSBECKIA Calix four-cleft, with the lobe separated by 

 a ciliary scale ; corolla four-petalled ; stamens eight ; an- 

 thers beaked; capsule inferior, four-celled, surrounded by 



