SYNOPSIS OF THE GENERA. 



ORDER III. TRIGYNIA. 3 Pistils. 

 * Perianth of six pieces. 



23. RU'MEX, [Page 518.J Perianth of six pieces, the three 



outer ones somewhat united at the base, the three inner 

 becoming larger after flowering. Stigmas tufted. Nuts 

 with three sharp angles enclosed in the persistent perianth. 



24. SCHEUCHZE'RIA, [Page 529.] Perianth persistent, of six 



pieces. Anthers elongated upon very slender filaments. 

 Capsules three to six, united at the base, roundish, 

 inflated, each two valved, and one or two seeded. 



25. TRIGLO'CHIN, [Page 530.] Perianth of six deciduous 



pieces. Anthers nearly sessile. Capsules from three to 

 six each single seeded, united at the angles, and mostly 

 separating from the base. 



26. TOFIELD'IA, [Page 532.] Perianth of six deciduous pieces, 



with minute bracteas at the base of the peduncle. Stamens 

 smooth. Capsules three to six, united below the middle, 

 many seeded. Seeds roundish oblong. 



** Perianth of one piece. 



27. COL'CHICUM, [Page 533.] Perianth single, tubular, long, 



with a campanulate six~partite limb. Stamens inserted at 

 the top of the tube. ' Styles very long. Capsule three, 

 single celled, united at the base, inflated, many seeded. 



(See Elatine in Class 8.) 



ORDER IV. HEXAGYNIA. 6 Pistils. 



28. ACTINOCAR'PUS, [Page 535.] Calyx of six pieces. Petals 

 three. Ovaries six to eight. Capsules united at the base, 

 and spreading in a star-like manner, each two seeded. 



ORDER V. POLYGYNIA. Many Pistils. 



29. ALIS'MA, [Page 536.] Calyx of three pieces. Petals three. 

 Ovaries numerous. Nuts distinct, numerous, clustered, 

 indehisceut, single seeded, deciduous. 



CLASS 7. HEPTANDRIA. 7 Stamens. 



ORDER I. MONOGYNIA. 1 PISTIL 



1. TRIENTA'LIS, [Page 539.] Calyx seven partite. Corolla 

 plane, of seven segments, united at the base into a ring. 



