LiNDLEY.] NATURAL SYSTEMS. Ixv 



Alliance 40. Ficoidales, p. 523. 



Petals absent- Sepals distinct. Fruit inclosed") 



in a membranous or succulent calyx. Carpel \ 199. Basellacece, or Bascllads, p. 524 



single, solitary. Seed erect ) 



Petals numerous, conspicuous. Carpels seve- i „„„ ,, , ^. . , 



ral, consolidated ]200. Mesemhryacea, ox Ftcotds, t^. bib 



Petals absent. Carpels several, consolidated 201. Tetragoniacea, or Aizoons, p. 527 

 Petals absent. Sepals united into a tube.^ 



Carpel single, solitary. Fruit inclosed in > 202. Scleranthacea, or ScUranths, p. 528 



the hardened calyx tube J 



Alliance 41. Daphnales, p. 529. 



Anthers bursting lengthwise. Apetalous ox'\ 



polj-petalous. 0\ade solitary, suspended. > 203. Thymelacca;, or Daphnads, p. 530 



Calyx imbricated ) 



Anthers bursting lengthwise. Apetalous. 1 204. Protmcece, ov Protcads, p. 532 



Ovules erect. Calyx valvate J 



Anthers bursting by recurved valves. Leaves \ 205. lauracecB, or Laurels, p. 535 



perfect. Fruit naked .i 



Anthers bursting by recurved valves . Leaves ^ 



mere colourless scales. Fruit buried in a > 2O6. CassythacecB, or Dodder-laurels, p. 538 



succulent permanent calyx ) 



ALLfANCE 42. ROSALES, p. 539. 



Flowers consisting of numerous imbricated j 207. Calycanthacea, or Calycanths, p. 540 



scales. Cotyledons convolute . . . . j -^ 



Flowers polj-petalous (or apetalousi, nearly) 



or quite regular. Carpel solitary. Style > 208. Chrysobalanacece, or Chrysobalans, p. 542 



proceeding from the base of the ovary . . j 

 Flowers polj-petalous (or apetalous), papi-"j 



lionaceousorleguminous. Carpel solitary, I 209. Fabacea, ox Leguminous planU, p. 544 



with the style proceeding from the apex of f ' ^ 



the ovary J 



Flowers polypetalous, regular, drupaceous. ) 



Carpel sohtary, with the style proceeding > 210. Drupacea;, or Almondworts, p. 557 



from the apex of the ovary J 



Flowers polypetalous , regular^ Carpels ad- 1 gn. Pormcece, or Appleworts, p. 559 



henng to the calyx by their back ... J 

 Flowers apetalous. Carpel solitary, inclosed^ 



in a hardened calyx-tube forming a false > 212. Sangidsorbaceee, or Sangmsorbs, p. 561 



pericarp J 



Flowers polypetalous . Carpels free from the") 



calyx, and quite or nearly so from each \ 213. Rosacea, or Roseworts, p. 563 



other j 



Alliance 43. Saxifragales, p. 566. 



Styles distinct. Leaves alternate .... 2U. Saxi/ragacece, ox Saxifrages,^. 567 

 Styles distinct. Leaves opposite, without | 315, HydrangeacecB, or Hydrangeads, p. 569 



Styles distinct. Leaves opposite, with l^rge | 216. Cunoniacece, or Cunoniads, p 571 



interpetiolar stipules j 



Styles consolidated. Calyx many-leaved. | 317. Brexiacece, or Brexiads, p. 573 



Albumen 0. Leaves alternate ....(' ' '^ 



Styles consohdated. Calyx tubular, pemia- | 



nent, with the petals in the margin. Albu- > 218. Lythracea, or Loosestrifes, p. 574 



men 0. Leaves opposite j 



Alliance 44. Rhamnales, p. 577. 



Flowers apetalous. Ovary composed of 4) 



carpels. Calyx tubular, with definite di- > 219. Penceacece, or Sarcocollads, p. 577 



visions. Cotyledons consolidated . . . J 

 Flowers apetalous. Ovary composed of 2) 



loid J 



Flowers apetalous. Ovary composed of 2) 

 carpels. Calyx imperfect, and irregularly (_ 221. Vlmacea, ox Elmwoiis, p. ^80 

 divided at the edge. Cotyledons thin and | 

 leafy J 



'"r„?„''p'?s?x. "lanS" ""} ^- *"-"«-. "■• ^»-'""". - ''' 



Flowers polypetalous. Calyx valvate. Sta- ] 



mens alternate with petals. Seeds pendu- > 223. Chailletiacea , or Chailletiads, p. 583 



lous J 



"sSnrKn'adVout^ imbricated.} ^^ „,.,,„„„,„„,, „ mppona,c.„.. p. 534 

 ^'S'en^fpSct ';'"!'' .'■"'>"'*'':} 225, C„asl,-ace., or S,inMe.,nes. p. 580 



Flowers monopetalous. Stamens episepa-) 226. Slackhousiaceee, ox Stackhousiads, p, 589 



lous J 



Flowers monopetalous. Stamens epipeta-^ 



lous. Ovules ascending. Radicle short. > 227. Sapotacece, or Sapotads, p. 590 



Cotyledons amygdaloid ...... J 



