318 JUGLANDACEJE. 



4. RICINUS, Linn. Palma Ciiristt. 



Lat. ricinus, an inject, which the fruit of these plants resemble. 



Monoecious. Sterile flowers. Perianth 5-parted. Sta- 

 mens numerous : filaments united branching. Fertile 

 flowers. Perianth 3-paried. Styles 3, 2-parted. Cap- 

 sule mostly eehinate, 3-celled, 3-seeded. — Herbs and shrubs, 

 with peltate, palmate leaves, and monoecious Jlowers. 



R. communis, L. Castor-oil Bean. 



Stem herbaceous, glaucous, leaves peltate-palmate, lobes lanceolate, serrate; c*p 

 tUrle echinate. Aug.. Sept Native of the East Iniies. In our gardens it is a tal'j 

 gmooth plant; of a light bluish green color, but in its native country it becomes a 

 tree. Leaves 1 to 12 inches in diameter, on long petioles. Cultivated extensively 

 la various parts of the U. S. for the purpose of obtaining cil from the seed. 



5. BUXUS, Linn. Box-wood. 



Monoecious. Sterile flowers. Calyx 3-leaved : petals 

 2. Stamens 4, with the rudiment of an ovary. Fertile 

 flowers. Calyx 4-sepaied. Petals 3. Styles 3. Cap- 

 sule with 3 beaks and 3 cells : seeds 2. — Eocrgreen shrubs, 

 with opposite leaves, and inconspicuous Jlowers.. 



B. SEMPERYIRENS, L. BdX. 

 Leaves ovale : fief&oies hairy at the edge; anthers ovate, sagittate. Native of E&- 

 .'o-pe. Var, angustifjHz ha3 narrow lanceolate leave?. Tar. sujfrutlcosa the dwarf 

 box has cbovate leaves and a scarcely woody ptem ; highly ornamental for edgings 

 in gardens. 



Order 102. JUGLANDACES — Walnut Family. 



'Tree?, vriih alt-mate unejuaBy pfymede kav^,vri' 1 iout stipules, green {Kconspicumuf 

 tr.onacious flowers in amerds with an irregular calyx, and a fruit which is a kind */ 

 dry drvpe vrith a hor.y tstdocarv (nut-sheU), containing a large Globed orV.a 

 seed. PzBZEUB MHRBa solitary or in small elustera, with a regular 3 to J 

 calyx adherent to the incompletely 2 to 4-e-cIied bat only 1-ovuled ovary. 



I. JUGLANS, Linn. Y7alnut.- 



Lat, Jctris £:«/:?; i. c. the out cf J u; i 



Sterile flowers in long and simple lateral aments 

 calyx scales unequally 3 to G-part: i, somewhat brae 

 at base. Stamens 8 to 49 : eil.vme.nts very abort. Fer- 

 tile flowers solitary cr several together on a peduncb a; 

 the end of the branches : calyx 4-toothed, bearing 4 small 

 petals at the sinuses. Styles 2, very short : stigmas 2, 

 gome^hat club-shaped and fringed. Fruit drupaceous, 



