178 MONOECIA. [CI. 21. 



spurious, coated with the prickly calyx, cloven. Nut of 

 2 cells. — N.O. Composite. 



434. AMARaNTHUS. Barr.Jl. Cal. of 3 or 5 leaves. Cor. 0. 



Stam. 3. or 5. 



Fert.fi. Cal. of 3 or 5 leaves. Cor. 0. Styles 3 or 2. Caps. 

 of 1 cell, bursting all round. Seed 1 — N.O. Amaran- 

 thace^e:. 



435. BRYONIA. Barr. fi. Cal. with 5 teeth. Cor. 5-cleft. Filam. 3. 



Anih. 5. 



Fert. fi. Cal. with 5 teeth, deciduous. Cor. 5-cleft. Style 

 3-cIeft. Berry inferior. Seeds few. — N.O. Cucurbit ace^e. 



Fagus. Quercus. Atriplex. 



Order V. HEXANDRIA. Stam. 6. 



436. ERIOCaULON. Common Cal. imbricated, many-flowered. 



Barr. fi. in the middle. Cor. in 6 or 4 deep segments. 

 Stam. 6, 4, or 3. 



Fert.fi. in the circumf. Pet. 6 or 4. Style 1. Caps, supe- 

 rior, 2- or 3-lobed. aS^c^s solitary. — N.O. Restiace^e. 



Rumices. Quercus. 



Order VI. POLY AND RI A. Stam. 7, or more. 



438. MYRIOPHyLLUM. Barr.Jl. Cal. 4-leaved. Pet. 4. 57am. 8. 



Fert.fi. Cal. 4-leaved. Pe£. 5. Stigm. 4, sessile. Drupas 4. 

 — N.O. Halorage^e. 



441. POTeRIUM,92. Barr.Jl. Cal. 3-leaved. Cor. deeply 4-cleft. 



Stam. 30—50. 



Fert.fi. Cal. 3-leaved. Cor. deeply 4-cleft. Pw^. lor 2. 

 Nut coated, of 1 or 2 cells. — N.O. Rosacea. 



439. SAGITTARIA. Barr. fi. Cal. 3-leaved. Pet. 3. Stam. 



about 24. 



Fert.fi. Cal. 3-leaved. Pet. 3. Pist. numerous. Seeds 

 numerous, bordered. — N.O. Alismace^e. 



437. CERATOPHYLLUM. Barr.Jl. Cal. many-cleft. Cor.O. 



Stam. 16—20. 



Fert. fi. Cal. many-cleft. Cor. 0. Stigm. nearly sessile, 

 oblique. Drupa compressed. — N.O. Ceratophylle^e. 

 443. FA.GUS. Barr.Jl. in a catkin. Cal. in several segments. Cor. 0. 

 Stam. 5—20. 



Fert.fi. Cal. double ; outer inferior, prickly, in several deep 

 segments, 2- or 3-flowered ; inner superior, 5- or 6-cleft. 

 Cor. 0. Styles 5 or 6. Nuts 2 or 3, loosely invested with 

 the spreading outer calyx. — N.O. Amentaceje. 



442. QUERCUS. Barr.Jl. in a catkin. Cal. in several segments. 



Cor. 0. Stam. 8 or more. 

 Fert. ft. Cal. double ; outer inferior, scaly, undivided ; in- 

 ner superior, in 6 deep segm. Cor.O. Style I. Nut soli- 



