LINNAIAN SYNOPSIS OF GENERA. XX 
Order III, TRIGYNIA. 
118. Monrta. Cal. of 2 leaves. Cor. of 1 petal. Caps. 3- 
valved, 3-seeded. 
120. Potycarpon. Cal. of 5 leaves. Pet. 5. Caps. 1-celled, 
3-valved. 
50. Hotosrzum. Cal. of 5 leaves. Pet. 5. Caps. 1-celled, 
opening with 6 teeth at the end. 
(Tillea, N. O. 34.) 
Class IV. TETRANDRIA. 
Order I. MONOGYNIA. 
* Perianth double, Cal. double, inner adnate to the fr. 
Cor. monopetalous. 
157. Nat. Order 44. Dipsacacea. 
** Perianth double. Cal. single. Cor. monopetalous, inferior. 
263. PLantaco. Segments of cor. reflexed. Stam. very long. 
214, Crcenpra. Cor. salvershaped, spreading. Stam. included. 
Caps. opening at the top by two valves. 
260. Centuncutus.. Cor. tubular, spreading. Stam. included. 
Caps. bursting transversely. 
Gentiana, N. O. 51.) 
*** Perianth double. Cal. single. Cor. monopetalous, superior. 
151. Nat. Order 43. Rusiacza#. Limb of the eal. often ob- 
solete. 
**** Perianth double. Pet. 4. 
ll. Epimepium. Cor. inferior. 
148. Cornus. Cor. superior. Cal. 4-cleft. 
(Cardamine, N. 0.6. Senebiera, N.O. 6. Ewony- 
mus, N. O. 23.) 
150. Linnaa. Cor. superior. Cal. 5-cleft. 
***E* Perianth single. 
319. MaranTHEMUM. Perianth petaloid, 4-parted, inferior. 
89. ALcHEMILLA. Perianth a calyx, inferior, 8-parted: 4 larger 
and 4 smaller. 
88. SancuisorBA. Perianth a calyx, inferior, 4-parted. Stam. 
inserted on a ring closing the tube. 
285. Parierarta. Perianth inferior, 4-parted, bellshaped. 
Stam. at its base. 
116. Isnarpia. Perianth superior, 4-parted, persistent. 
