( in yoroDALi i HENOPODA] 





Alliance XXXVIII. < I//:x<,/>n/>.i A /: x. -The Chenopodal Allian. 



Diagnosis.— ffypog l . wchlamyd 



an external embryo, either curved round or a 

 or horny ■<//,«,/,./<, solitary ■ 



With these Djante, the greater part of w h consists of species with in w 



Bowers, and often with Bcarcel) more floral organs than an- absolntely necessai 

 secure me perpetuation of the race, «.■ have a transition whirl, cannot be mistak. 1, to 

 the more elaborately constructed Alliances hereafter to I,- noticed N - and 

 Lhenopods an- in such strict relationship that we .-an scarcely say wherein the 

 •I" <•>••"<•'■ consists in certain cases, unless we refer to the internal structure of .1,.- b 

 •"". ""•'' «ndeed we find Chenopods with amphitropal ovules, mealy albumen, and 

 radicle directed towards .1,.- I,,., of the fruit, while Nettles have orthotropal or aiwtro- 

 pai ovules, Heshy albumen, and a radicle directed towards the a,., x of the fruit Both 

 have Btamens opposite the Bepals of a., inconspicuous petalless calyx, and both have 



"""' ll '"" ' 'I'"-' 1 "»' :i nng>e> perfectly simple, carpellary leaf ; we even tin.! /hat 



m some cases among the Urtical Alliance the circular, or spiral, embryo of Chenopods 

 makes it- appearam " ' 



Even as regards the distinction of .ho Ma.no,,- and pistil there is a great similarity 

 between the two races under consideration. For if all .ho Urtical Alliance cons 

 of | plants whose Bowers are stnctlj unisexual ( • . .. so also does .ho Chenopodal 



in an.-o contain a una. roanj species which are similarly , stituted, notwithstanding 



'!'•" 'I"' tendency ol the structure is towards a combination of the Bex. It i- m 



'"''• MWJg the Chenopodal Alliance thai we find si exceptions to the distinctions 



'"■two,,, diclinous and bisexual organisation ; a- mighl ho expected, where Orders run 

 so much together otherwise. 



Prom the Silenal Alliance this is Known bj ,|„. absolute simplicity of ,]„. ,,. 

 and b 3 no other positive mark: there may ho several ovaries presenl in tl 

 louor h„. ,h,v are then distinct from each other, [t is, however, to be rei 

 wal Unenopodals have, m no case whatever, a corolla, while in a large part of the 

 s.lonaU, petals are obviouslj present Nyctagos, a portion of this Alliance, seem 



a- 1 1 tho N were attempting to emulate the Silenals ; for, although thev have 



oalxx.vot thai calyx does, in many instances, assume altogether .1 rdinan colour 



an. I texture oi a corolla. 



NATI RAL <»,;,,, rs ,,, ( UKNOPODi 



Sepals united into a long (ofh . /, i 



separates from Us base,tJu latter becoming in,,-,', and 1 192 



N 

 a spurious pericarp 



- mens alu ,'i , 



I pels *■ r.r.rf (or 11 '■"•■ "»" '• 



separate or nearly » . 



Anthers often l-celled. Ovary I. ; ; \ 



''"/ by imbricai , 



fOrnearl 



Anthers •_>-.-, //,,/. Ovary 1. 



herbaceous, naked) 





