LlNDLEY.] 



NATURAL SYSTEMS. 



Ixiii 



Alliance 31. Nymphales, p. 408. 



Carpels united into a many-celled fruit, with i j^^g 



dissepimental placentae j 



Carpels distinct. Albumen copious. Torus) ^^jj 



absent J 



Carpels distinct. Albumen 0. Torus honey-) ^^^ 



combed, very large J 



Alliance 32. Ran ales, p. 416. 



Carpels distinct. Stipules large, convolute.) ^„ 



Corolla imbricated. Albumen homogeneous, j '^ ' 

 Carpels distinct. Stipules 0. Corolla valvate.) j^^ 



Albimien ruminate j 



Carpels distinct. Stipules 0. Corolla imbri-^ 



cated. Albumen homogeneous. Seeds aril- > 153. 



late j 



Carpels distinct. Stipules 0. Corolla imbri-'j 



cated. Albumen homogeneous. Seeds with- ^ 154. 



out an arU J 



Carpels consolidated. Calyx permanent. Pla-) jgg 



centje axile J 



Carpels consolidated. Calyx deciduous. Pla-) ,gg 



centae usually pariet^ J 



NymphcBacece, or Waterlilies, p. 409 

 Cahombacece, or Watershidds, p. 412 

 Nelumbiacecc, or WaUrbeans, p. 414 



MagnoliacecE, or Magnoliads, p. 417 

 Anonaceoe, or Anonads, p. 420 

 Dilleniacece, or Dillcniads, p. 423 



RanunculacecB, or Crowfoots, p. 425 



Sarracenniacece, or Sarraceniads , p. 429 

 Papaveracece, or Poppy worts, p. 430 



Alliance 33. Berberales, p. 432. 



Flowers regular and sjTnmetrical. Placentas') 

 parietal. Stamens alternate with the petals, > 157. 

 or twice as many j 



Flowers irregular and unsymmetrical. Pla-) ^,_ 

 centae parietal. Stamens opposite the petals] ^°*'' 



Flowers regular, sj-mmetrical. Placentae sutu- ") 

 ral. Stamens opposite the petals. Anthers / i59_ 

 with recurved valves J 



Flowers regular, sj-mmetrical. Placentae axile.^i 

 Stamens opposite the petals. Anthers open- > 160. 

 ing longitudinally j 



Flowers regular, symmetrical. Placentae axile'j 

 and parietal. Stamens alternate with the ( . ,,, 

 petals. Ovules ascending or horizontal. [ •'■''^' 

 Corolla imbricated J 



Flowers regular, symmetrical. Placentae axile.^ 

 Stamens alternate with the petals. Ovules > 162. 

 pendulous. Corolla valvate J 



Flowers regular, sjTnmetrical. Placentae axile."! 

 Stamens alternate \vith the petals if equal to ' ^QZ 

 them in number. Ovules pendulous. Co- j 

 roUa imbricated J 



A lliance 34. Ericales, p. 446. 



Flowers polypetalous. Stamens all perfect,") 



monadelphous. Anthers 2-celled, with a > 164. 



long membranous connective J 



Flowers monopetalous. Stamens all perfect,^ 



free. Seeds with a firm skin. Anthers > 165. 



1-celled, opening longitudinally J 



Flowers half-monopetalous. Stamens all per-") 



feet, free. Seeds with a loose skin. Embryo > 166. 



at the base of the albumen ) 



Flowers polypetalous. Stamens half- sterile ) ^„_ 



and scale-like, free. Seeds with a firm skin ' 

 Flowers half-monopetalous. Stamens all per- 

 fect, free. Seeds with a loose skin or wing. \ 168. 



Embrjo at the apex of the albumen . . . 

 Flowers' monopetalous. Stamens all perfect, 



free. Seeds with a firm or loose skin. An- \ 169. 



thers 2-celled, opening by pores 



DroseracecB, or Sundews, p. 433 

 Fumariacees, or Fumeworts , p. 435 

 Berberidacece, or Bcrberids, p. 437 

 Vitacece, or Vineworts, p. 439 



FitlosporacecB, or Pittosporads , p. 441 



OlacaceeB, or Olacads, p. 443 



Cyrillacem, or Cyrillads, p. 445 



Humiriaceee, or Humiriads, p. 447 

 EpacridacecB, or Epacrids, p. 448 



Pyrolacece, or Winter-greens, p. 450 

 FrancoacecE, or Francoads, p. 451 

 Monotropaceee, or Fir-rapes, p. 452 



Encacece, or Heathworts, p. 453 



Alliance 35. Rutales, p. 456. 



Fruit consolidated, succulent, indehiscent."| 



Petals imbricated. Stamens free, or nearly > 170. Aurantiacece, or Citronworts, p. 457 



so. Leaves dotted j 



Fruit consolidated, hard, dry, somewhat val- j 



vular. Petals valvate. Stamens free. Lea.\es> m, Amyridacex, or Amyrids, p. i.50 



generally dotted J 



Fruit consolidated, capsular. Stamens deeply') 



monadelphous or free. Seeds numerous, > 172. Ccdrelacece, or Cedrelads, p. 461 



winged j 



Fruit consolidated, berried, or capsular. Sta-^ 



mens deeply monadelphous. Seeds few, > 173. Meliaceee, or Meliads, p. 4Go 



wingless. Leaves dotless J 



Fruit apocarpous. Ovule single, suspended) 174. AnacardiacecB, or Anacards, or Fere- 



by a cord rising from the base of the cai-pel . / binths, p. 465 



