SEA CI.nB RTSU 209 



The stamens with 2 half-anthers aiul the carjiels with 2 siij^mas 

 are borne in two rows on a sj)aili.\ enclosed in a s|)allic. '! he (lowers 

 are submerged. The pollen liiln's are lon^- thread-like bodies, which 

 float in sea water at any ile[)th, ha\ing the .same specific gravit)'. I he 

 hairlike stigmas being large and projecting easily catch some n\ iIk 

 threads, and are pollinated in this way b\- water as trees are bx the 

 wind. 



The fruit is an achene, which is furrowed, and the plain being 

 immersed the seeds are dispersed hv water. 



This species is aquatic and confined to sea water. 



A beetle, H(C»io)iia Ciirtisi, is found on it. 



Zostera. Linnai-us. is from the Greek zoitcr, girclK', in allusion to 

 the long strap-shaped, streaming leaves. The meaning of the specific 

 name is obvious. 



Grass Wrark is also called Barnacle-grass, 1 )nw. .Sweet ("irass. 

 Grass-weed, Mallow, .Sleech, Widgeon Grass, and Sea \\ rack. 

 Another name is Hellware, this plant being the ".Seaweed" from 

 which keif) is made. 



The leaves are used as manure in .Sweden and llollaiul, and used 

 for stuffing packing-cases, bed.s. and cushions, being flexible. It is 

 used for the covering of liqueur flask.s. It is also employed for thatch- 

 ing, roofs thus made lasting over 100 years. Grass Wrack is also used 

 for packing glass and china. 



EssEXTT.\L Specific Ch.vr.acteks:— 



^17. Zostera iimriiKi. L. — Leaves broadly linear, veined, sub- 

 merged, riower in spadi.x, fruit a nut. 



Sea Club Rush (.Scirpus maritimus, L.) 



Found in Xeolithic deposits at Southampton docks, like other 

 maritime but Arctic species, this is represented in plant beds of Glacial 

 and later age. It is found to-day in X. Temperate ami Arctic I-lurope, 

 N. Africa, W. Siberi.-i, X.W. liulia. and X. America. In Great 

 Britain it is found in .Surrey, Berks, and Middlesex, on the banks of 

 the Thames, and in Cambridge and Huntingdon, Worcester, Warwick, 

 Stafford, Montgomery, and Perth amongst inland counties, and is 

 absent from the coastal counties of Cardigan and Westmorland, ranging 

 elsewhere: but is not found in Banff and Elgin, S. or Mid I.budes, 

 W. Ross, and farther north or west it is only found in the Hebrides, 

 and from Ross and Skye it is general elsewhere to the I-'nglish 

 Channel. It is also a native of Ireland and the Channel I.slands. 



Vol. II. 29 



