LINN.«AN SYNOPSIS OF GENERA. 
XXXI 
Order V. PENT- POLY- ANDRIA. 
* FI. not in catkins, with cal. and cor. 
117. Myriophyllem. Pet. of male fl. 4, deciduous. Stam.8. 
Germ, inferior. 
337. Sagittaria. Pet. 3. St am. about 24. Caqi. numerous 
upon a globose receptacle. 
119. Bryonia. Cal. with 5 teeth. Cor. 5-cleft. Filaments 3. 
.Vnth. 5. Fr. an inferior bem". 
** Fl. not in catkins, imperfect. 
199. Xanthiu.m. Involucre of male many-leaved, «ith a 5- 
toothed perianth ; of female 1 -leaved, inclosing 2 flowers. 
113. Ceratophyllc-M. Perianth many-leaved. Stain. 16 — 20. 
Nut ending iu a spine. 
.328. Eriocaulon. Perianth 4 — 6-cleft. Stam.4 — 6. Caps. 
2 — ^1-lobed, 2 — .3-celled. 
264. Amaranthus. Perianth 3 — 4-leaved. Stam.3or5. Caps, 
opening all round. 
92. PoTERiuM. Perianth 4-cleft. Fr. 2 nuts, invested with 
the hardened quadrangular tube of the jierigone. 
*** Fl. in catkins. 
286. Nat. Order 75. AmentacevE (in part). 
Order VI. MONADELPIIIA. 
[Filaments of stam. united below into one set.] 
303. PiNUS. Male fl. in racemose catkins. Fr. in cones. 
Class XXII. DKECIA. 
287. Salix. Perianth 0. Stam. and pistils with 1 or 2 glands 
at the base. Anth. 1 — 5, usually 2. 
279. Empetrl'm. Cal. 3-parted. Pet. 3. Stam. 3. 
.321. Rlsces. Sep. 6. Pet. 0. Stam. 3. 
277. lIiPPOPiiAE. Male fl. with a jierianth of 2 deep roumhsh 
lobes. Stam. 4. Fem. fl. with a tubular bifid perianth. 
Stigma elongate. 
150. ViscuM. Cor. 4-parted. Cal. of male fl. 0, of fem. fl. an 
obscure free margin. Stam.4. Stigma obtuse, sessile. 
299. Myrica. Fl. in catkins. Perianth 0. Stam. 4, at the 
base of the scales. 
284. Hum ULUS. Female fl. in a catkin formed of large persist- 
ent scales. Stam. 5. 
