Ixii 



NATURAL SYSTEMS. 



[LiNDLET. 



Alliance 27. Cistales, p. 348. 



Stameus not tetradynamous, generally indefi-^ 



nite. Flowers \f or ^/. Seeds with albu- > 122. Cistacece, or Rock Roses, p. 349 



men. Fi-uit closed up J 



Stamens tetrad j-namous. Flowers \/ . . . 123. Brassicacece, or Crucifers, p. 351 

 Stamens not tetradynamous, definite. Flowers^ 



not tetramerous. Seeds without albumen. > 124. Resedacece, or Weldivorts, p. 356 



Fruit usually open at the point J 



"S/wS£'<,uSu=° Fml. SeTi'^:} 125- Crpari^acea,, or Caj,paH,s. p. 357 

 Alliance 28. Malvales, p. 359. 



Stamens free. Disk none. Seeds with albu-^ 



men. Embryo curved. Petals peimanent. > 128. Vivianiacece, or Vivianads, p. 365 



Calyx ribbed ) 



Stamens free. Disk none Seeds without al- 1 ^39. Tropceolacea:, or Indian Cresses, p. 366 



bumen. Embryo amygdaloid J 



Stamens columnar, all perfect. Anthers 1- 1 ^^q MalvacetB, or Mallowworts, p. 368 



celled, turned mwards ) 



Stamens free, on the outside a disk. Seeds) ^^^ Tlliacecc, ox LindenUooms, p. 371 



with albumen. Embryo straight . . . . j ' -^ 



Alliance 29. Sapindales, p. 373. 



Flowers complete, partially symmetrical. "| 



Calyx valvate. Anthers 2- 4-celled, opening > 132. Tremandracece, or Foreworts, p. 374 



by pores ) 



Flowers complete (irregular), unsymmetrical."| 



Petals naked. Anthers 1-celled, opening by > 133. Polygalacece , or Milkicort^, p. 375 



pores. Seeds camnculate _. •) 



Flowers complete, unsj-mmetrical, very irre-^ 



SSiudinX clmis S-^tSl SsS 134. Voc.yace., or rocH,a,s.r>. ^, 



(In one case the ovary is adherent) . . .) 

 Flowers complete, partially sjinmetrical. ) 



Calyx imbricated. O-vules ascending. Stig- > 135. Staphyleacece, or Bladder Kuts, p. 381 



mas simple. Leaves opposite, with stipules.) 

 Flowers complete, unsymmetrical. Petals^ 



SSg^rgi.lVru:°'^cUe.s-3.^°S 1» Sapi,^e.. or Soapu,orU. p. 3S2 



usually arillate, wingless J 



Flowers apetalous. Carpel soUtary .... 137. Petiveriacece, or Petiveriads, p. 386 

 Flowers complete, unsjTumetrical. Petals | 



naked or 0. Anthers opening longitudinally. \ 133. Aceracecs, or Maples, p. 387 



Cai-pels 2. Seeds without an aril . . . . ) 

 Flowers complete, partially sj-mmetrical. Calyx "j 



imbricated. Petals naked, stalked. 0\-ules( ,r 7 • j.- T,r , • i.- ^. ^ qqq 



hanging by cords. Stigmas simple. Em- T 139. MalpighiacecB, ov Malptghiads, p. 388 



brj'o usually convolute J 



Flowers complete, partially symmetrical. Calyx^ 



imbricated. Petals with an appendage. 1 140. Erythroxylacece, or Erythroxyls, p. 391 



Ovules sessile, pendulous. Stigmas capitate. C 



Embrj'O straight ) 



Alliance 30. Guttiferales, p. 392. 



Leaves simple, alternate, with large convo-1 



lute stipules. Flowers symmetrical. Pe- I , , ^. , „. , , ono 



tals equilateral. Calyx unequal, permanent, \Ul. Dipteracea, or Dipterads, p. 393 



winged. Anthers beaked. Fruit one celled, 



one-seeded J 



• Leaves simple, alternate, without stipules or 'J 



with very small ones. Flowers symmetrical. ( ^^^ Ternstromiacece, or TJieads, p. 396 



Petals equilateral. Anthers versatile. Seeds 



few or single. Stigmas on a long style . .; 

 Leaves digitate, opposite. Flowers sj-mmetri-~| 



cal. Petals equilateral. Stigmas sessile. ( ^^g^ RUzoholaceeB , or Rhizdbols, p. 398 



Seeds solitarj'. Embrj'O with an enormous 



radicle ) 



Leaves simple, opposite, -vvithout stipules. T 



Flowers symmetrical. Petals equilateral. \i^^ Climacece, or GuWfcrs, p. 400 



Anthers adnate, beakless. Seeds solitai^ r 



or few. Stigmas sessile, radiating . . . .J 

 Leaves simple, alternate, without stipules. ^ 



Flowers unsjinmetrical. Petals equilateral. I j^^g^ Marcgraviacece, or Marcgraviads, p. 403 



Anthers versatile. Seeds innumerable, mi- f 



nute. Stigmas sessile ) 



Petals oblique, glandular Seeds numerous,) ^^g HypericacecB, or Tutsans, p. 405 



naked. Styles long, distinct J 



Petals oblique, glancUess. Seeds few, shaggy, j ^^^ Remmnriaccee, or Rcaumnriads, p. 407 



Styles long, distinct J 



