38 28. Arum. 7. AROIDEiE. PL end. ph. 



ovaries separate from the stamens, in the lower part of the 

 spadix ; be7ry round, one-celled ; seed albuminous ; cor- 

 culiim straight, in the centre of the perisperm ; radicle be- 

 low. — Plants herbaceous, stemless ; leaves radical, petiolate, 

 base slightly sheathing; spadix inclosed in a spatha, ter- 

 minal; scape radical; spatha hooded, convolute at the base. 

 Roots contain much fecule mixed with a very acrid, vo- 

 latile matter, which may be separated by heat or washing ; 

 fecules nutritious, used for food ; acrid matter stimulant, 

 iised as a vesicatory or escharotic; and internally, much 

 diluted, in consumptive cases. Leaves stimulant and acrid. 



28. ARUM. Dioscorides, 2, 197. Cuckowpinf. 



Spatha one-leafed, cucullate, convolute at bottom ; spadix 

 naked at the tip, bearing the stamens in the middle, and 

 ovaries at the base ; anthers in several rows ; berry one- 

 celled, one-seeded. 



Arum vulgare. Common cuckowpint. 



Radical leaves hastato-sagittate, lobes deflexed ; spadix 

 clubshape, shorter than the spatha. 



Arum, Rail Syn. 266. 

 A. vulgare, Gcr. em. 834 ; Park. 373. 

 A. maculatum, Lin. S. P. 1370. 

 Wake Robin. Lords and Ladies. 



Woods and hedges ; perennial ; May. 



Root tuberous, fleshy ; herb stemless ; leaves radical, pe- 

 tiolate, spotted ; scape simple, a foot high, terminated by 

 the spatha; spatha erect, bellied, pale green, coloui'ed 

 within ; spadix coloured at the tip, having numerous sterile 

 filaments? just above the ring of anthers ; a/zMer^ sessile, 

 crowded ; ovaries sessile ; berries fine red, juicy. 



Root stimulant, and starch is made from it. 



/3. immaculatum. Leaves not spotted. 



III. 8. TYPHACEiE. De Candolle; Typhce, Jussieu. 

 ylroidcearum sectio. Brown. 

 Flowers monoicous, aggregated in unisexual aments f 

 perigonium three-parted; stamens 3, opposite to the lobes 

 of the perigonium ; anthers inverse ; ovaries free, one- 

 seeded; ovule pendulous; style one; stigma one; akenium 

 drupaceous ; perisperm fleshy ; corculum central, straight ; 

 radicle below, inverse. — P/aw/ gramineous, perennial ; root 

 tuberous ; leaves sheathing, alternate, ensiform ; aments 

 terminal or lateral, naked. 



