KEY TO PLATE XXXI 



(Urtica dioica, L.) 



rt, Flower (staminate), showing the 4-fid 

 perianth, and 4 stamens, bent back.;. ^- 

 Pistillate flower, with perianth and pistil. 

 <:, Fruit, or nut, with style (enlarged), and 

 hairy pericarp. </, Stinging hair, showing 

 the swollen base containing poisonous 

 juice, and Jong point, e, Upper part of 

 plant showing cordate leaves, and infior- \ 



No^2>JJlack Bryony ^ 

 (Tamus ciynntunis, L.) * 

 , Staminate flo^vejr, wi^ 

 6-fid perianth, hi. |*istiU^ti 

 inferior ovary, and sUfes CM^HCU. c, 

 Raceme of pistillate/flowers^ v <j Stem, 

 with cluster'"**? ripe/ /berries (poisonous). 

 e. Branch with cdr<jajt^ leaves (|ret-veined), 

 and racemes of stam&ate fl^ - 



No. 3. Lords-and/Laiep 

 (Arum 





Scathe with sparfix (jjurpte), and j 

 s (Psyckoda), ^/Arroiw-shiped n 

 veined leaf, with /spots./ r, y Section 

 spathe, showing, spadix, sterile whorwof 

 bracts;, whorl of stamens, vvhorl Qf 

 /whorl of ovaf ies. ; Both whorls fyf bracts 

 j hyri^ontcH. \Fliesj entev'rng can 7 pa(ss ^own 

 / t^iro^gh thein, bijit no| out,agairi iw this 

 sjtagel d, Y He saipe, V/ith bracts withered, 

 \fhenj flies jcain escape. /The ova^ie^ have 

 now been fe|rtilized> after pollination by 

 a\d of the flies. (Set also Text.^ ^Sec- 

 tion of spathe from above, shoiwinj* the 

 ( he.vaux-de-frise of bracts below;at...\... 

 J, Cluster of berries, with withered ba>^ 

 X ^of spathe. ^, One of the oVaries, oft j I 

 pistillate flowers (enlarged). h\ Stamin-/ c j! 

 ate flower (enlarged), with Siemens. //C 

 / V \ \ 



