CL. V.] PENTANDRIA DIGYNIA. 147 



3 S. nodiflorum. Procumbent Water-parsnep. Leaves pinnate, with 

 egg-shaped and equally serrate leaflets ; umbels sessile, opposite to the 



leaves ; stem procumbent. Flowers small, greenish-white, with slightly 



inflected petals. Perennial : flowers in July and August : grows in 

 ditches and rivulets: not common. The juice is recommended by Dr. 

 Withering, in cutaneous diseases. Eng. Bot. vol. ix. pi. 639. Eng. Ft. 

 vol. ii. p. 57. Probably a variety of the next. 433. 



4. S. repens. Creeping Water-parsnep. Leaves pinnate, witli round- 

 ish, deeply toothed leaflets ; umbels stalked, opposite to the leaves ; stem 

 creeping. Stems from six to ten inches long : flowers white. Peren- 

 nial : flowers in August: grows in boggy places: rare. Eng. Bot, vol. xx. 

 pi. 1431. Eng. Fl. vol. ii. p. 58. 434. 



5. S. inundutum. Least Water-parsnep. Leaves pinnate, with wedge- 

 shaped, cut leaflets ; the lower leaves divided into numerous thread-like 



segments. Stems procumbent or floating : umbels stalked, opposite 



the leaves : flowers white, all perfect. Perennial : flowers in May : 

 grows in ditches and pools: common. Eng. Bot. vol. iv. pi. 227 : A'ison 

 inurulatum. Eng. Fl. vol. ii. p. 58. 435. 



6. S. verticiltdtum. Whorled Water-parsnep. Leaflets all hair-like, in 



numerous, whorled segments. Stem about a foot high, erect, round, 



striated : leaves chiefly from the root : umbels few, terminal, with nu- 

 merous white flowers. Perennial : flowers in July and August : grows 

 in salt marshes and wet pastures. Eng. Bot. vol. vi. pi. 395. Ens. Fl. 

 vol. ii. p. 59. " 436. 



61. SI'SON. STONE-PARSLEY. 



Flowers all uniform, perfect and regular. Calyx obsolete or 

 bluntly toothed. Petals five, equal, elliptical or inversely heart- 

 shaped, involute at the point. Filaments thread-like, spreading, 

 about half as long as the corolla ; anthers roundish. Germen 

 inferior, egg-shaped, striated. Style very short and thick, each 

 with a very large, tumid base ; stigmas obtuse, distant. Fruit egg- 

 shaped, compressed, crowned with the permanent, unaltered styles. 

 Seeds convex,' each with three ribs. Name from sizun, a brook, 

 in Celtic. 146. 



1. S. Amomum. Hedge Stowwort. Bastard Stone-parsley. Leaves 

 pinnate, the upper ones ternate ; umbels erect, of about four general 



rays ; bases of the styles globular. Stem about three feet high, erect, 



with numerous, slender branches: flowers cream-coloured, all regular. 

 Annual : flowers in August: grows in woods and hedges; in England, 

 not rare. Eng. Bot. vol. xiv. pi. 954. Eng. Fl. vol. ii. p. 60. 437. 



2. S. tegetum. Corn-parsley, or Stonewort. Leaves pinnate, with nu- 

 merous roundish leaflets ; umbels drooping, irregular ; bases of the styles 



dilated, depressed. Stems twelve or eighteen inches high, branched, 



round : flowers white or flesh-coloured, regular. Annual : flowers in 

 August : grows in moist fields in England : not common. Eng. Bot. 

 vol. iv. pi. 228. Eng. Fl. vol. ii. p. 61. 438. 



62. CICU'TA. WATER HEMLOCK. 



Flowers uniform, perfect, and nearly regular. Calyx superior, 

 of five broad, acute, somewhat unequal leaves. Petals five, egg- 



