148 PENTANDRIA DIGYNIA. [CL. V. 



shaped, or slightly heart-shaped, with an incurved point. Fila- 

 ments thread-like, spreading, as long as the corolla , anthers 

 roundish. Germen hemispherical, ribbed. Styles thread-like, 

 short, erect, little swelled at the base ; stigmas obtuse. Fruit 

 nearly orbicular, heart-shaped at the base, a little compressed, 

 crowned with the permanent calyx and recurved styles. Seeds 

 hemispherical, tumid, each with three double ribs. Name cicuta, 

 a pipe or reed, from the hollow stem. ] 47. 



1. C. wros'a. Water Hemlock. Water Cowbane. Leaves twice ter- 

 nate ; leaflets narrow lance-shaped, decurrent. Root tuberous, hol- 

 low, with whorled fibres : stem two or three feet high, furrowed, smooth : 

 umbels stalked : flowers white. Poisonous. Perenial : flowers in Au- 

 gust : grows in ditches, lakes and rivers : not common. Eng. Bot. vol. vii. 

 pi. 479. Eng. FL vol. ii. p. 62. 439. 



63. ^ETHU'SA. FOOL'S-PARSLEY. 



Flowers all perfect, the outer one a little irregular. Calyx su- 

 perior, of five very minute, pointed, spreading leaves. Petals five, 

 inversely heart-shaped, with an acute, inflected point, the outer- 

 most rather larger. Filaments thread-shaped, horizontal, shorter 

 than the corolla; anthers roundish. Germen egg-shaped, furrowed. 

 Styles short, spreading, tumid and egg-shaped at the base; stigmas 

 obtuse. Fruit egg-shaped, crowned by the reflected permanent 

 styles. Seeds egg-shaped, with five tumid, acutely keeled ribs 

 and deep interstices. Named from aitho, to burn, from its 

 acridity. 148. 



1. JE. Ctjndpium. Common Fool's-parsley. Leaves doubly pinnate ; 



leaflets wedge-shaped, decurrent, with lance-shaped segments. Stem 



a foot or more high, erect, striated, branched: umbels stalked, terminal: 

 partial bracteas long, acute, pendulous : flowers white. Poisonous ; is 

 sometimes mistaken for parsley, and used as such, when it occasions sick- 

 ness. Annual : flowers in July and August : grows in gardens, culti- 

 vated fields, and by walls : common. Eng. Bot. vol. xvii. pi. 1 192. Eng. 

 Ft. vol. ii. p. 64. 440. 



64. CONI'UM. HEMLOCK. 



Flowers all perfect, slightly irregular. Calyx obsolete. Petals 

 five, superior, inversely heart-shaped, with an acute inflected point ; 

 the outermost rather larger. Filaments hair-like, scarcely so long 

 as the corolla; anthers roundish. Germen egg-shaped, a little 

 compressed, furrowed, wrinkled. Styles thread-shaped, spread- 

 ing, a little swelled at the base; stigmas obtuse. Fruit egg-shaped, 

 slightly compressed, with ten prominent, acute ribs, crowned with 

 the dilated, undulated floral receptacle, and the spreading styles. 

 Seeds half egg-shaped, each with five acute ribs, the interstices flat. 

 Name coneion of the Greeks. 149. 



1. C. macultitum. Common Hemlock. Stem much branched, polished 

 and spotted. About three feet high : leaves large, repeatedly com- 

 pound, with egg-shaped, pinnatifid leaflets : flowers numerous, white, all 

 bearing seeds. The whole plant is fetid and poisonous : it has been used 



