58 



as. CARPINUS. Barr.fl. in a catkin. Cal. a rounded 

 scale. Cor. none. Stam. 1 0, 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. 



444. BETULA. Barr.jl. in a catkin. Cal. a ternate scale. 

 Cor. none. Stam. 10-12. 

 Fert.Jl. in a catkin. Cal. a peltate, 3-lobed, 3-flowered 

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



■i'iO. ARUM. Common Cal. a sheathing leaf, enclosing a 

 common stalk, naked above. Cat: none. 



Barr.jl. Stain, 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. Beny 

 with several seeds. 



Order VII. MONADELPHIA. Filaments 



united below. 



447. PINUS. Barr.jl. in a catkin, naked. St a?n. nume- 

 rous, on a common stalk. 

 Fert. j. 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.SSo. H. Br. 513. Lam. /. 411. 



Tithymalus. Tourn.t. 18. Gcerln. t. ]07. 



Nat. Ord. Tricoccce. Linn. 38. Euphorhice. Juss. 96. 



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

 manent, containing 12 or more barren Jlovocrs, intermixed 

 with narrow bristly scales; and 1 cenXxa\. Jertile Jlower ; 

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

 Nect. 4 or 5, alternate with the lobes of the Involucrum, 



