150 PENTANDRIA DIGYNIA. [CL. V. 



flowers in June and July : grows in rivers and ditches : frequent. Eng. 

 Bot. vol.x. pi. 684. Eng. El. vol. ii. p. 71. 446. 



66. CRI'THMUM. SAMPHIRE. 



Flowers all regular, perfect and fertile. Calyx superior, of five 

 small, broad, acute, inflected, permanent leaves. Petals five, equal, 

 elliptical, incurved, broad at the base. Filaments thread-shaped, 

 spreading, as long as the corolla; anthers roundish. Germen el- 

 liptical, furrowed. Styles very short and thick, tumid at the base; 

 stigmas obtuse. Fruit elliptical, crowned by the permanent calyx 

 and styles. Seeds oblong, convex, with a thick leathery coat, each 

 with five ribs; the interstices narrow, flat. Named from cr/t/ie, 

 barley, from the shape of the fruit. 151. 



1. C. maritimum. Sea-Samphire. Leaflets lance-shaped, fleshy ; brae- 

 teas egg-shaped. Stems about a foot high, round, leafy: leaves twice 



ternate : flowers white. The whole plant is glaucous, smooth, fleshy, 

 with a salt aromatic flavour, and is used as a pickle. Perennial : flowers 

 in August : grows on rocks by the sea : not unfrequent in England ; rare 

 in Scotland. Eng. Bot. vol. xii. pi. 819. Eng. Fi. vol. ii. p. 73. 447. 



67. SMYR'NIUM. ALEXANDERS. 



Flowers nearly uniform and regular, the innermost barren. Calyx 

 superior, of five very minute, acute, permanent leaves. Petals five, 

 equal, lance-shaped, incurved. Filaments hair- like, as long as the 

 corolla; anthers roundish. Germen egg-shaped, angular and fur- 

 rowed. Styles thread-shaped, spreading, tumid, and somewhat 

 depressed at the base ; stigmas simple. Fruit roundish, ribbed, 

 crowned with the styles or their bases. Seeds with three promi- 

 nent, acute ribs ; the interstices convex. Named from Smyrna, 

 myrrh, from the scent of the juice. 152. 



1. S. Olustitrum. Alexanders. Stem-leaves ternate, stalked, serrate. 



Root fleshy, branching : stem two or three feet high, solid, branched : 



lower leaves twice ternate : flowers small, white, bitter, and aromatic : 

 formerly cultivated for culinary purposes. Biennial : flowers in .May : 

 grows in waste ground, about ruins, and on rocks near the sea: frequent. 

 Eng. Bot. vol. iv. pi. 230. Eng. Fl. vol. ii. p. 74. 448. 



68. A'PIUM. \VlLD-CBLERY. 



Flowers uniform, nearly regular, almost all perfect and fertile. 

 Calyx obsolete. Petals five, superior, roundish, with an inflected 

 point, all nearly equal. Filaments thread-shaped, as long as the 

 corolla; anthers roundish. Germen nearly globular. Styles 

 thread-shaped, reflected, greatly swelled at the base ; floral recep- 

 tacle round, flattened; stigmas obtuse. Fruit egg-shaped or round, 

 slightly compressed, crowned with the withered receptacle and 

 spreading styles. Seeds egg-shaped, with acute ribs, the interstices 

 flat. Name from the Celtic apon, water. 153. 



1. A. gravtolens. Wild-celery. Leaflets of the stem-leaves wedgp- 

 shaped; stem furrowed. Stems two feet long, spreading or floating: 



