58 



44.5. CARPINUS. Barr.ji. in a catkin. CaL a rounded 

 scale. Cor. none. Stam. 10, or more. 

 Fert.jl. Cal. double ; outer inferior, of several de- 

 ciduous scales ; inner superior, in 3 deep, sharp 

 segments, permanent. Cor. none. Styles 2. 'Nut 

 ovate, angular, naked. 



44-4. BETULA. Barr.ji. m.2i catkin. Cal. a. ternate scale. 

 Cor. none. Stam. 10-12. 

 Fert.Jl. in 2icatkin. Cal. apellate, 3-lobed, 3-flowered 

 scale. Cor. none. Styles 2. Nut winged, deciduous. 



440. ARUM. Common Cal. a sheathing leaf, enclosing a 

 common stalky naked above. Cor. none. 



Barr.ji. Stam. numerous, in a dense ring, sur- 

 mounted by another ring of abortive filaments. 



Fert.jl. Germ, numerous, in a dense ring, below the 

 stamens, sessile. Styles none. Stigm. downy. Berry 

 with several seeds. 



Order VII. MONADELPHIA. Filaments 

 united below. 



447. PINUS. Barr.ji. in a catkin^ naked. Stam. nume- 

 rous, on a common stalk. 

 Fert.jl. in a catkin, of close, rigid, 2-lipped, 2- 

 flowered scales. Seeds 2 to each scale, winged. 



Typha ? 



MONOECIA MONANDRIA. 

 423. EUPHORBIA. Spurge. 



Linn. Gen.243. Juss. 385. FL Br. 5\3. Lam. t.4]l. 

 Tithymalus. Tourn. t. 18. GcErtn. t. 107. 



Nat. Ord. Tricoccce. Linn. 33. Euphorbia. Juss. 96. 



hwolucrum of 1 leaf, tumid, with 4 or 5 marginal lobes per- 

 manent, containing 12 or more barren jlovoers, intermixed 

 with narrow bristly scales ; and 1 cenivaijertile flower ; 

 all stalked, and destitute of calyx, as well as of corolla, 

 Ned, 4 or 5, alternate with the lobes of the Involucrttm, 



