IINNEAN SYNOPSIS OF GENERA. 
xlv 
Class XX. GYNANDRIA. 
314. Nat. Order 82. Ohchidaceje. Stam. 1 or 2. 
289. Abistolochia. Stam. 6. Stigma with 6 lobes. 
Class XXI. MON(ECIA. 
Order 1. MONAKDEIA. 
[Stam. 1.] 
290. Eitphohbia. Involucre bellshaped, inclosing many male 
fl. and 1 female flower. Cor. and cal. wanting. 
349. Arvji. Spatli of 1 sheathing leaf, inclosing many female 
fl. and many male fl. above them. Cal. and cor. wanting. 
294. Callitmche. Bracts 2 petal-like, or 0. Involucre, spath, 
cal. and cor. wanting. 
356. Zannichellia. Involucre 0. Male fl. without cal. or 
cor. Fern. fl. with a perianth of 1 leaf. Nuts 4, stalked. 
Stigma peltate. 
356. Zostera. Fl. aggregate, in 2 rows on one side of a spadix. 
Spath ending in a leaf. 
356. Naias. Fl. solitary, sheathed. Perianth 0. 
Order II. DIANDEIA. 
(Callitricke, N. 0. 73. Carex, N. 0. 96.) 
Order III. TRIAJfDRIA. 
347. Typha. Spikes male and female, cylindi'ical. Ovary sur- 
rounded witli bristles. Perianth 0. 
348. SpARGANit^M. Spikes male and female, globose. Perianth 
single, 3-leaved. 
364. Carex. Fl. in 1 or more spikes with imbricate scales. 
Male perianth 0. Female perianth urnshaped, 
364. KoBRESiA. Fl. in a compound spike. Perianth 0. 
Orderly. TETRANDRIA. 
274. LiTTORELLA. Cor. of male fl. with a cylindrical tube and 
4-parted limb. Stam. very long. 
290. Buxus. Cor. of male fl. of 2 petals, fem. of 3 pet. Caps. 
with 3 beaks. 
