THE BOTANY OF BERMUDA. 119 
XV.—JUNCEZ. 
Juncus tenuis, Willd. Rush. 
Common in moist places. 
J. maritimus, Lane. Large marsh rush. 
Native; common in the wetter portions of the marshes. 
XVI.—COMMELYNEA. 
Tradescantia discolor, Herit. Spider-root. Oyster-plant. 
Common in gardens. 
Tinantia Sprucei, C. B. Clarke. 
This plant appeared as a seedling in some partly West India soil at 
Mount Langton= Tradescantia erecta, Jacq. 
Commelyna agraria, Kth. Day-flower. (C. Cayennensis, Rich.) 
Native; and very general in wet places, to which its bright blue 
flower is an ornament; sometimes called ‘‘Chicken-grass.” 
Cyanotis discolor, L’ Herit. 
Common in gardens and window-boxes. 
XVII.—CYPERACE, 
Cyperus rotundus, Linn. Nut-grass. 
Native; according to Moseley there are 10 or 12 species. 
C. flexuosus, Vahl. 
Native. 
C. alternifolius, Linn. Variegated cyperus. | 
Introduced; common in gardens. The name comes from Oypris, a 
title of Venus. 
Kyllingia monocephala, Linn. Sedge. 
In Pembroke marsh. 
Scirpus validus, Vahl., (\S. lacustris id). Club-rush. 
Common in Pembroke marsh. 
S. plantagineus, Roxb., Sw. 
In Pembroke marsh, (Hleocharis, R. Br.) 
S. melanocarpus, Gr. 
Cladium occidentale, Schrald. Prickly sedge. 
In Pembroke marsh. 
