PH HOPHYCEAL 75 
LAMINARIACEE 
General Characters—As in the Splachnidiacce, 
the only known reproductive organs are zoospores 
formed within unilocular sporangia. These occur 
Ss 
Leo} 
Sarr 
CART 
Ss 
eal 
(eeseese 
x 
Fic. 12.—Alaria esculenta, much reduced. a and b, tufts of hairs from 
young frond. ec, eryptostoma of Saccorhiza bulbosa. a, b, c, much magnified. 
together with non-septate paraphyses, not within 
conceptacles, but in sori. Except in the case of 
Chorda, where the sorus covers the whole surface of 
