Siteiuic N. O. Alge. 
TAB. DCXIV. 
SPHACELARIA HORDEACEA, Harv, 
Fronde tenui-elongata stuposa, ramis alternis crebris apice fasci- 
culatis subbipinnatis, pinnis pinnulisque spineeformibus ; cap- 
larum spicis oblongis aristatis (hordeiformibus) terminalibus. 
Han. Bay of Islands, New Zealand. Dr. Sinclai 
A very curious species of Sphacelaria, allied to S. scoparia, 
but abundantly distinguished by the spikes of fructification 
which terminate the branches and ramuli, and under the 
miscroscope strongly resemble ears of barley or rye. These 
are composed of thickly set, quadrifarious, setiform ramruli, each 
with a cluster of 4-5 elliptical capsules at its base, W. H. H. 
Fig. \. Branch. f. 2. Spike of capsules. f. 3. Ramulus of 
the spike, with capsules at its base >—magnified, 
