SYNOPSIS. 
xxiii 
309. EmocAULON. Perianth 4 — 6-cleft. Stam. 4 — 6. Caps. 
2— 3-lobed, 2— 3-celled. 
247. Amaranthus. Perianth 3 — 4-leaved. Stam. 3 or 5. Caps. 
opening all round. 
89. Poterium. Perianth 4-cleft. Fr. 2 nuts, invested with 
the hardened quadrangular tube of the perigone. 
*** Fl. in catkins. 
269. Nat. Order 75. Amentace^e. 
Order VI. MONADELPHIA- 
[Filaments of stam. united below into one set.] 
285. Pinus. Male fl. in racemose catkins. Fr. in cones. 
Class XXII. DICECIA. 
270. Salix. Perianth 0. Stam. and pistils with 1 or 2 glands 
at the base. Anth. 1 — 5, usually 2. 
262. Empetrum. Cal. 3-parted. Pet. 3. Stam. 3. 
302. Ruscus. Sep. 6. Pet. 0. Stam. 3. 
260. Hippophae. Male fl. with a perianth of 2 deep roundish 
lobes. Stam. 4. Fem. fl. with a tubular bifid perianth. 
Stigma elongate. 
139. Viscum. Cor. 4-parted. Cal. of male fl. 0, of fem. fl. an 
obscure free margin. Stam. 4. Stigma obtuse, sessile. 
282. Myrica. Fl. in catkins. Perianth 0. Stam. 4, at the 
base of the scales. 
267. Humulus. Female fl. in a catkin formed of large persist- 
ent scales. Stam. 5. 
300. Tamus. Perianth 6-parted, superior. Stam. 6. 
281. Populus. Fl. in imbricated catkins. Stam. 8. 
266. Mercurialis. Perianth single, 3-parted. Stam. 9- 
286. Hydrocharis. Cal. 3-parted, superior. Pet. 3. Stam. 9. 
285. Juniperus. Stam. 5, combined. Fl. in catkins. Fem. 
fl. 3, scales ultimately fleshy and united. 
285. Taxus. Stam. 5, combined. Fl. in catkins. Fem. fl. 1, 
scaly below. Perigone ultimately fleshy, cupshaped. 
(Stam. 3. Valeriana, N. O. 44. Stam. 4. Rhamnus, N. O. 
25. Urtica, N. O. 74. Stam. 8. Sedum, N. 0. 35. Stam. 
12. Stratiotes, N. O. 77.) 
Class XXIII. POLYGAMIA. 
251. Atriplex. Perigone 2-lobed or 2-parted. Pericarp free. 
Testa crustaceous. 
253. Halimus. Perigone 2-lobed. Pericarp adhering to the 
perigone. Testa membranous. 
