38 



81, Flowers in heads, the outer ones sterile, the inner ones perfect. 

 Calyx five cleft. Stamens ten. Leaves opposite. Herbs. 



CARYOPHYLLACK.K. p. 63. 

 Flowers not in heads made up of unlike kinds. 



Stem jointed, the nodes being usually covered by ochretc, or col- 

 nri'd membraneous sheaths. Leaves rarely opposite. Styles 

 commonly three. Ovule otthotropov. POLYGONACE.K. p. 287. 



Stem not jointed, or, if so, without ochreous sheaths at the nodes 



Stamens opposite the divisions of the calyx, or else fewer in num- 

 ber. Ovule amphitropous. CUENOI-ODIACE i.. p. '284. 



Stamens alternate with the divisions of the calyx, or more, numer- 

 ous. Ovule canipylotropous. PHYTOL.U < \r H K. p. 284. 



Stamens many. Ovule anatropous. KANUNCDLACK^E. p. 33. 



82. Leaves alternate, entire, covered with dry. shield-like scales. 

 Flowers regular. Perianth tubular at base, becoming fleshy or 

 woody in the fruit. Trce> or shrubs. EL^EAGNACE.E. p. 292. 

 Leaves not -caly. 



Perianth tubular. 83 



Perianth not tubular. 



Perianth dry. mostly live leaved, persistent. Flowers with two or 

 three bracts at base. Seeds flattened, kidney-shaped, with mealy 



albumen. -\MAUA.\THACE.K. p. 286. 



Perianth not dry and persistent. 



Stamens four, inserted on the calyx, opposite its divisions. Sepals 

 four, distinct or slightly cohering at 1-ase. valvate in the burl. 

 Ovule anatropous. PKOTEACE K. 



Stamens live, united at base. Calyx live parted, globose, ovoid, col- 

 ored within and on the margins of the lobe>. Leaves in whorls. 

 ( hules amphitropous. CARYOI'HYLLACE.V.. p. 63. 



83. Stamens inserted on the receptacle. 84 

 Stamens inserted on the calyx tube. 



