KEY TO PLATE XLIII 



No. 1. SnakeTlteacL, 



Fritillary 



(Prililluria Mtrttairrts, \Ji\ 



i > ' ■ ': ''^ \ 



a, Stamen^Vith long awlrlike 



filament, and anthers fixedl 



above the base, d, Pistil, j 



with oval7, style, and 3 stSg- 



mas. c, Bulb, with roots. 



fi, Scape, with leaves, and 



^ract, with flower with bell- 



shajsed perianth. '■ j 



No. 2. Reed Mace 



{.Ty/'/Ki latifolia, L,)j 



(nioncecious)/ 



a, Stametis, with silky peri- 

 anth scales, b. Stalked ovary» 

 with style and stigma ami- 

 lateral),,, f,,I.eaf. rt; Root- 

 stock, with roots, ;md sheaths. 

 e. Spike of flowers, male 

 above,;; female below, with 

 bract. 



1 



A 



/^ Ntw,3.;Bur Reed 



{SparFanrum raitiosum, 



Curt.) 



(monoecious) 



a, Staminate tiower, with 3 



inner perianth scales and 



slameiis. v. Pistillate flower, 



with ovary,styk, stigma, and 



V>erianth scales, i; Drupe, 



with persistent stvle. U, Leaf. 



e. Inflorescence, with male 



i' and female flowers in round 



^-beads, male above, female 



^Tbelosv. 



No. 4. Sweet Flag . 



{Acorus Calamus, L.) 



I 



a, Stamen and scale. ^, 

 IFlower, with pistil and sta- 

 mens, c; Berry with pyra- 

 midal top. <i. Scape with 

 spatbe, turned over, and 

 spadix (lateral) with bisexual 

 flowers. Fruit not produced 

 in British Isles 



No. 6. Water Plantain 

 {Alisvia Plantago-aqUatica, 



do '■' /'h % 



a. Whorl of achenes, with 

 (outer perianth-segments. ,/■, 

 Achene, showing eqjnpresscd 

 WeS; c, Koot^tock, with 

 leaves and sheatns. li., 

 Scape, with bracts below, and 

 -flowers m umbel, showing 3 





^ fl k,^/ V ^ (--\^ ^ments, 6 stamens, and style. 



No. 5- i)uckweed 



a, b. Frond, with stamens 

 from different aspects, an<l • 

 showing rootftip with irieih- 

 branous sheath, c, Flower, 

 with spathe, anthers,) antf 

 pistil. 1/, Croup of duck- 

 weed plants, with roots be- 

 7 low. 



1, 



0. Water I'lariiain {A/isma PiautiV^o-atpiatuaj L.). 



