KEY TO PLATE XLIX 



No. I. Purple Pea4 Nettle 

 (Lamium fittrpureUM, LJ 



/I, Flower, showing calyiTan^^ 

 labiate corolla with .arched " 

 u|>per and lobed loiver Up, 

 with stamens- in throat, b. 

 Stamen, with hair>' anthers, 

 c, Calyx, enclosing nutlets, 

 and persistent style, rf, Uppc" 

 part of plant, with 4-angled 

 stem, opposite leaves; and 

 flowers ID axillary \#hq)rls. 



No. 2. White Dead Nettle 

 • {l^mium ti^Mfi L.) 



'■ ' '^ 1 ■= ji ■'' ^ ' - 

 a, Corolla, ^giObous' Mlbw,,' 



showing arched upper lip, 



hairy above 2-lid lower lip, 



and toothed lateral lobes, and 



stamens in throat. 6, Sta^^"^ 



men with hairy tilamen^' 



and hairy attthers. r, Ujjptr 



part of plant 'w<tb patred 



opposite leaves ^d flowers 



in whorls with ialVx "with 



acute tee 



No. 3. Alligood 

 (Chenopodium aWum, L.) 



a, Flower, \^ith\5 glandular 

 perianth -segilieiits, 5 stamens, 

 al\d pistil \Nitn' %, papillose 

 stigmas, h, tapper part of 

 plant, wtth upper |tem-leaves/^ 

 ai\d \ft6werSi j in axillarv'' 



"^o. 4- Good King 

 -\^ Henry 



(Chenppoiiium Bonus- 

 H'e'nricus, L.) 



a. Flower, ^Hh peri- 

 anth-segments, 5 sta- 

 mens, and pistil^ With 

 2 papillose stigiYt^K. b, 



^eed, c, Stajifen. 



'4, Upper part of Riant, 

 w'rtb I hastate X^i)^, 

 and axillary cliiA^n 

 , {^ - of flowers. 



^^^ n 



Jo. "5. Knot Grass 



y(folygonum 



(avicutare L.) 



'a,FTowerwith5colouredj 

 perianth-segments ^n/i 

 included stamen 

 Pistil^ with 3 styles! 

 Stamen, d, Upppr part 

 of plant, with/ tpaveS 

 and sfiiked «ltiiters. 



ji. Flower with 8'peri- 

 anth-segmeni^ Hi 2 

 series, inner jebfhed, 

 and 6 included stamens. 

 b, Fruffifij^ j)m»hth- 

 segments, tqothed. c. 

 Ovary, witfl ,^ styles. 

 d. Upper f^tCpiant, 

 ith flo\versi(in iwhorls 

 jn a racemej and upper 

 steqi-leavcs, thie lower 

 ri^, with too\l^ peri- 

 Its. 



A/ 



Ivith palei 



ring glutei 

 iiM empjty 

 Ith stameris 

 pistil l/ilf 

 pperf^An 

 h flowers 

 'se, awnedi 

 f nearjy 

 top of tl^e 

 ;e., 



5. KnnlL-i 



iiwi aviculare, L.). 6. Dairy Maids Dock yKumex ohlusijotiiis, L. ). 

 7. Wall Barley {Honleinu imiriniiin, L.). 



