284 Proceedings of the Royal Irish Academy. 



(3) Colony delicate, branched in one plane; branches tending to 

 arise from one side — J. racemosa Wright and Stnder. 



B. Longitudinal main canals three in number. 



f4j Colony branched as in J^ yemynacea — J. trilineata Thomson and 

 Henderson. 



X. — Juncella juncea. 



Junei lapidd Pliny, Hist. Xat., p. 13, c. 25. 



Palmijuneui albu-i, Eumph, Amb. \-i, p. 126. 



Keratophifton simplex Seba, Thes. Ill, t. 105, fig. la. 



Gorgonia Juneea Pallas, xr^iii, p. 180. 



„ „ Pallas, xx^-ii, p. 226. 



Esper, \u, ii, p. 26, PI. m. 



„ „ Lamarck, ixiv, ii, p. 15, n. 34. 



„ „ Lamouroux, xxv, p. 419. 



„ „ Dana, iii, p. 664. 



Helittlla „ Gray, xi, p. 481. 



JunttUa „ Val., xvi, p. 14. 



Val., xlv, p. 182. 



Milne-Edwards and Haime, xxvi, p. 186. 



„ „ VerriU, xlvii, p. 37. 



Gray, xii, p. 204. 



KoUiker. xxiii, p. 140, L 18, f. 45, 46. 



„ „ Thomson and Henderson, xxxix, p. 314. 



„ gemmaeea Thomson and Henderson, xxxix, p. 313, PI. iv, figs. 4 

 and 5. 



„ junua Ridley, xxxiii, p. 345. 



Gray, xii, p. 25. 



„ „ HicksoD, XV, p. 820. 



„ „ Studer, xxxiv, p. 659. 



„ „ Studer, xxr\-ii, p. 116. 



„ „ Wright and Studer, 1, p. 158, PI. xxxlv, fig. 12 ; PI. xu, 



fig. 38. 



Kent Sa>-ille, xxi, p. 92. 



„ JUxQit Studer. 



„ „ Germanoe, viiL 



„ „ Hickson, rv, p. 821. 



/ragilis PJdley, xxxiii, p. 347, PI. XXXI, fig. D. 



var., xxxiii. 



„ „ Thomson and Henderson, xxxix, p. 314. 



