KEY TO PLATE XXXVIII 



No.' 1. Meadow Rue 

 [ThaUetrumJiavum, L.) 



a, Xcbet(>e, ribbed, witli per- f 

 si^eiVt style, hs T-^a^ ji-jer- ^i 

 nite (kaflets temate^.^ c 

 tipper part of piant, with 

 i^,and racetne \\ uh pet^fioid 

 ^ sepals and mauy st^ekjB/ 1 



^ ' No. 2. Water Fennel 

 ( Ranunculus trichophyllus, 

 ' ,:. Chaix.) 



\4, FloW^stalk, with head of 

 4?henes (hairyj. b, Upper 

 part of plant, with submerged 

 narrow, rigid leaves, and 

 floatintf leaves 3-lobed (a:, in 

 /?, heterophyllus, Weber=/?. 

 riuiians, Kev.), and flowers 

 with short sepals, 5 petals, 

 and stamens and pistil. 



No. 3. White Water Lily 

 {Castalia alba. Wood.) 



a, Petaloid stamensy / b. 

 Berry, with lays of stigma. 

 r, Leaf, falsely peltate, d. 

 Flowers in bud, showing se- 

 pals, petaloid petals, peialoid 

 N/ .' stainens,'tand stigma. / 



^^^ 



1/ 



\!> 



' J?--'-'' 



11 



/ / 



No. 4. Yellow Water Lily 

 !^Nyttiph(ea lUUa, L.). 



a. Petal, smaller than yellow 

 sepals, b, .Stamen, with peta- 

 loid filament, c. Berry, with 

 rayed stigma, d. Leaf e. 

 Flower, with petaloid sepals, 

 petals, petaloid stamens, 

 pistil. 



No. 5, Water Cress 

 iJicidiatldMdstuftimn-a^ua- 



u 



s^^ii^^ R.p&^B.) 



\ 



/ 



:i^ 



«, Andrcecium,'«'ith stamens, 

 4 long, 2 short, honey glands 



(v-;between, and pistil, b, Siliqua. 



V with valves opening from 

 -below upwards, and seeds on 

 replutn. c, Rootstock, with 

 radical lyrate leaf. </, Upper 

 part of stem, with pinnate leaf, 

 flowers in racemes, and lower 

 v^ 0|n'es |in fruit 



^J 



\v^\M 'Ia 



No. 6. Great Yellow , '^ 

 Water Cress ip ' 



{Radicula amphibia, Dnice) 



" /I ■ ■ '.V J ^ 



■.!■ ■■/ ■/ - 



a, Androecium, witli starti6ns, 

 4 long, 2 short, and honey 

 glands, and gynSecium, with 

 nistil (ovary, style, and stig- 

 mi^y b. Pod, \vith ^tyle and 

 sfighjia. c. Stem, with leaf 

 rf,( iJpper part of plant, with 

 siem leaves and raceme of 

 powers, in various stages, 

 with V pods below, on long 





-stalks and beaks. 



% 



bJ 



