400 Mr G. W. Traill on Marine Algce of Joppa. 



Usual duration 

 of Species. 



Himantlialia lorea, Lyngh. 



Laminaria flexicaulis, Le Jolis. 

 Cloustonii, Le Jolis. 

 saccbarina, Lx. 

 Phyllitis, Lx. 



Laureucia jtinnatitida, Lx. 



hybrida, Lenorm. 



Leathesia tuberiformis, Oray. 



Melobesia polymorpha, L. 

 pustulata, Lx. 



Lenormandi, Aresch. 



Mouostroma Grevillei, A<j. 



Myrionema straugulaus, G^'ev. 



Odontlialia deutata, Lyngb. 



Petiocelis cruenta, J. Ag. 



Phlceospora brachiata, Bornet. 

 tortilis, Aresch. 



Pliyllitis coespitosa, Kutz. 

 V. debilis, K^itz. 

 ascia, Kutz. 



All tlie year 



Perennial 

 Perennial 

 Perennial 

 Annual, Spr. 

 & Sum. 



All tlie year 



All the year 



May-Oct. 



Perennial 

 Perennial 



Mar. -June 



Sum. & Aut. 



Perennial 



Perennial 



Annual 

 Mar. -Sept. 



Mar. -Nov. 

 Mar. -Nov. 

 Mar.-Nov. 



Best time 

 for Fruit. 



August 



Winter 



Winter 



Sum. & Aut. 



Tetraspores, 



Win. & Spr.; 



Ceraraidia 



in July 



Tetraspores, 



Win. & Spr. ; 



Ceramidia 



in July 



Autumn 

 Autumn 



July & Aug. 



Jan. k Feb. 



Winter 



June, July, 

 & Aug. - 



July & Aug. 



Tricbospor- 

 angia in Spr. 



& Sum. 

 Trichospor- 

 angiain Spr. 



& Sum. 

 Tricbospor- 

 angia in Spr. 



& Sum. 



Cast ashore, rare. 



Common on rocks at 1. w. 

 Cast ashore. 

 Pools near 1. w. 

 Uncertain. 



Rocks near 1. w., rather rare, 

 and small. 



On rocks and in pools, at about 

 4t. 



Rarely, and of small size. 



Common on rocks. 



On Gigartina mamillosa, &c., 



rare. 

 On stones and shells (Prof. 



Henderson). 



Shallow pools near h. w., rare. 



On Enter omorjiha compressa 

 (G. W. T.). 



Rarely growing at 1. w. ; often 

 cast ashore. 



Rocks near 1. w. 



On Rhodymenia palmata, Pai'- 

 phyra vulgaris, &c., in jsools 

 below h t. 



In a poolat ^ t, rare (G. W. T.). 



Common in shallow pools be- 

 tween tide marks. 



Accompanying the above, often 

 in tine specimens. 



Pools between tide marks. 



