132 THE sa:nd strand floba 



C. maritima Muell. 

 Stems obtuseh' angled, smooth, clothed at base with sheaths break- 

 ing up into threadlike fibers; leaves broad, pale. 

 Sea shores of the Baltic. 



C. pumUa Thunberg. 



Ehizomes creeping, stems 10 — "20 cm. high ; leaves longer, rigid 

 with subulate points. 



On sandy shores of estratroj)ical S'outh America. Xew Zealand, 

 Chatham Island, Tasmania, and Australia, from IMoreton Bav to South 

 Australia. 



C. saliiia Wabl. 



Perennial, with creeping rootstock, stem 6 — 12 cm. high, obtuseh' 

 angled, smooth; leaves pale, 2 — -3 mm. broad. 



Sea shores of Xorthern Europe and America, from the Arctic to 

 jSTew England on the east coast, and to Xorthern California on the 

 Pacific coast. 



EleocTiaris uniglumig Link. 



Perennial by horizontal creeping rootstocks; culms stout, terete or 

 somewhat compressed, caespitose, striate, 15 — 30 cm. high, higher when 

 in water; leafless, with one or two sheaths at the base. 



Widely distributed in Europe, Asia, Xorth America, from Canada 

 to California. 



Lepidiospenna gladiata Labill. 



Perennial rhizome: rigid stems, 1 — 12 dm. high, flattened, but convex 

 on both sides about center, with acute smooth margins: leaves equitant, 

 usually about 1 cm. Inroad, length of stem. 



Common on coastal sand dunes in Tasmania and Australia, especially 

 in Victoria, South and West Australia. On the western coast of Austra- 

 lia also other species of this genus are met with. 



Bemirea maritima Aubl. 



Low, branching perennial; stems from creeping and rooting base, 

 ascending, 7 — 10 cm. high; leaves rigid, 2 — 7 cm. long, linear, with 

 short, imbricate sheathing bases, pungent point. 



Sandy sea coasts of most tropical countries. Africa, East India, 

 Malayan Archipelago, Queensland, tropical America. 



