278 POPULAR FIELD BOTANY. 
Airuusa Cynapium. (Plate XVII. Fig. 66.) Common 
Fool's Parsley, or Lesser Hemlock. Common in fields and 
gardens, and easily known by the three leaves of the invo- 
lucre; it grows about a foot high, with a striped, branched, 
and very leafy stem ; leaves doubly or trebly divided. Um- 
bels of small white flowers on long stalks. The plant is 
poisonous, and the smell very disagreeable. 
Serene 
PENTANDRIA. DIGYNIA. 
CALYCIFLORE. APIACE&. 
CRITHMUM. (Sampurre.) 
Generic Character. No calyx. Petals rolled up. Seed- 
vessel with five elevated sharp slightly winged ridges. Both i- 
volucres of many leaves. 
CRITHMUM MaRITIMUM. Sea Samphire. Only found on 
the coast, and so frequently made into a pickle by the inha- 
bitants of watering places, that perhaps the reader may 
be familiar with it. There is another plant used as a pickle, 
and often passed under the same name, but it is considered 
inferior for the purpose. The Samphire is very succu 
lent; leaves divided generally into three long narrow parts, 
