hiv NATURAL SYSTEMS. [Lindlev. 



Fruit apocarpous. Ovules collateral, ascend-) ng CoMMracea or Connarads, p. 468 



ing, orthotropal, sessile ) 



Fruit finally apocarpous, few-seeded, with the-v 



Dericarp separating in two layers. Ovules , i 7 fi_ Rutacece, or Ructcorts, p 469 



sessile, pendulous. Flowers Q 1 



Fruit finally apocarpous, few-seeded, with the-v 



pericarp separating in two layers. Ovules \ 177. XanVioxylacea, or XanthoxyU, p. 472 



sessile, pendulous. Flowers g - Q - 5 -J 

 Fruit finally apocarpous, one-seeded, with the ) 



pericarp not laminating, and a succulent / 178. Ochnacece, or Ochnads, p. 474 



conical torus J 



Fruit finally apocarpous, one-seeded, with thel 



pericarp "not laminating, and a dry incon- ) 



spicuous torus. Albumen wanting. Leaves f 1<9- S^wu&ace*. or Quassiads, p. 476 



mate, without stipules J 



Fruit finally apocarpous, few-seeded, with the") 



™s ETttSAZS? L= "»■ »^*, or Beancapers, p. 478 



opposite, with stipules J 



Fruit finally apocarpous, many-seeded. Flow-) 181 Elathiacea, or Water-veppers, p. 480 



ers polypetalous ) 



Fruit finally apocarpous, many-seeded. Flow- 1 m Podosiemacece or Podottemads, p. 482 



ers apetalous, very imperfect J 



\ U I IMOB 36. Geraniales, p. 484. 



Flowers svmmetrical. Styles distinct. Carpels') 



longer than the torus. Seeds with little or > 183. Linaccte, or Flaxworts, p. 485 



no albumen ) 



Flowers regular, unsymmetrical, with a perma- ) 



nent cup-like involucre. Stamens monadel- > 184. Chl<enace<z, or Chlenads, p. 486 



phous. Albumen abundant J 



Flowers symmetrical. Styles distinct. Carpels') 



longer than the torus. Seeds with abundant > 185. Oxalidacea, or Oxalids, p. 488 



albumen ) 



Flowers very irregular and unsymmetrical,") 



without an involucre. Stamens distinct. > 186. Balsaminacete, or Balsams, p. 490 



Mhuinen none j 



Flowers usually symmetrical. Styles and car-) j - O . raniocf<e or Cranesbills, p. 493 



pels combined round a long beaked torus . ./ ■•«"-«• •*«" 1 » «■ 



Alliance 87. Silenai.es, p. 495. 



Calyx and corolla usually both present and) 



symmetrical (4 and 4, or 5 and 5) the latter I Caryophyllacea, orSilenads, p. 496 



conspicuous. Ovules amphitropal. Leaves I " * " ' r 



opposite, without stipules J 



Calyx and corolla usually both present and) 



symmetrical [i and l, or Sand 5) the latter [ 18g ItUcebracetB or Knotworts, p. 499 



rudimentary. Ovules amphitropal. Leaves | 



with scarious stipules J 



Calyx and corolla both present and unsym-) 



metrical (2 and 5), the latter usually con- I 190 p ort ulacca, or Purslanes, p. 500 



spicuous. Ovules amphitropal. Leaves f 



alternate, succulent, without stipules . . .J 

 Calvx only present, but often coloured. Ovules) , n1 D ,?„„„„„,.„„ „- d..^t. ..j,, /„ _ una 



orthotropal. Nut usually triangular . . . ) 19L p » l !W°™™< or Buckwheats, p. 502 



Alliance 38. Chenopodales, p. 505. 



Sepals united into a long (often coloured)) 



plaited tube, which separates from its base, -ino v„„i„„;„„ M „ „_ » „ kac 



the latter becoming hard, and forming a 19 ' ^ctafftnace^, or AycUtgos, p. 506 



spurious pericarp J 



Sepals separate, flat. Stamens alternate with) ,„„ „. , , „, . , . rA „ 



the sepals or 00. Carpels several (or 1) . .) 193 - Phytolaecacex, or Phytolaccads, p. 509 

 Sepals separate or nearly so, Hat. Stamens) 



opposite the sepals. Anthers often 1-celled. ,„. . . . ,, r ... 



Ovary 1, often several-seeded. (Flowers I 194 ' ^""vantacea!, or Amaranths, p. 510 



sc irious, surrounded by imbricated bractsi .J 

 Sepals separate, or nearly so, flat, Stamens) 



opposite the sepals Anthers 2-ccllcd. Ovary I,.. _ .. . ,,„ 



1. always one-seeded. (Flowers herbaceous, [ 19 °- Chenopoduxcea, or Chcnopods, p. 512 



naked) J 



AUJANCB 39. l'lrEHAi.ES, p. .">14. 



Cartel solitary. Ovule erect. Embryo lying") 



in vitellus. Leaves opposite or alternate, > 196. Piperacett, or Pepperwortt, p. 515 



with or without stipules ) 



Carpel solitary. Ovule suspended. Embryo) 



naked. Leaves opposite, with intermediate > 197. Chloranthaccce, or Chloranths, p. 519 



stipules ) 



Carpels several, distinct. Ovule erect. Em-) 



bryo lying in vitellus. Leaves alternate, S 198. Saururacea, or Saururads, p. 521 



with stipules J 



