LINNEAN STOOrSIS OF GENEEA. 
xlvii 
155. ViscuM. Cor. 4-parted. Cal. of male fl. 0, of fern. fl. an 
obscure free niai'g-in. Stam. 4. Stigma bhmt, sessile. 
308. Myhica. Fl. in catkins. Perianth 0. Stam. 4, at the 
base of the scales. 
295. HrMULUs. Female fl. in a catkin formed of large persist- 
ent scales. Stam. 5. 
312. Tamus. Perianth G-parted, superior. Stam. 6. 
307. Popi LUS. 11. imbricate, in catkins. Stam. 8. 
293. Mercuhialis. Perianth single, 3-parted. Stam. 9. 
313. Hydrochaeis. Cal. 3-parted, superior. Pet. 3. Stam. 9. 
314. Stratiotes. Cal. 3-parted, superior. Stam. 12. 
314. Anacharis. Cal. 3-parted, inferior, with a long tube. 
Filaments 3. Caps. 1 -celled. Male with 9 stamens with 
combined filaments. 
311. JuNiPERUs. Stam. 5, combined. Fl. in catkins. Fem, 
fl. 3, scales ultimately fleshy and united. 
311. Taxus. Stam. 5, combined. Fl. in catkins. Fem. fl. 1, 
seal}' below. Perianth ultimately fleshy, cupshaped. 
(Stam. 8. Valeriana, N. O. 43. Stam. 4. Rhammis, N. 0. 
24. UHica, N. 0. 75. Stam. 8. Sedum, N. 0. 34. Stam. 
. 12. Stratiotes, N. 0. 81.) 
Class XXIII. POLYGAMIA. 
278. Ateiplex. Perianth 2-lobed or 2-parted. Pericarp free. 
Testa cmstaceous. 
280. Obione. Perianth 2-lobed. Pericarp adhering to the 
perianth. Testa membranous. 
295. Parietaria. Perianth 4-pai-ted. 
Class XXIV. CRYPTOGAMIA. 
415. Nat. Order 98. EQUiSEXACEiE. Leafless branched plants 
with sheathed joining's. Fructification in terminal catkins. 
418. Nat. Order 99. Filices. Leafy plants. Fructification 
attached to the veins, either on the back or edge of the 
leaves. 
431. Nat. Order 100. MARSiLEACE.a!. Creeping plants with 
slender leaves. Fructification consisting of globular nearly 
sessile coriaceous 3 — 4-celled capsules. 
431. Nat. Order 101. LYCoroDiACE.(E. Plants with imbricate 
leaves. Capsules axillary, solitary. 
433. Nat. Order 102. Charace^. Leafless branched plants 
with a hollow stem, not sheathed at the joinings. 
