CHAP. IV.] ALG^. 471 



those with caps, like the IMushroora, and those 

 which are slender and entire, but club-shaped 

 in the upper part, like Clavaria helvola^ a fungus 

 often found in meadows, which resembles the 

 stamen of an orange-lily. 



The Morel tribe includes those Fungi which 

 have their sporules in the stipe, and it is in 

 two divisions ; the first of which includes those 

 which, like the Morel (Morchella esculentd), have 

 a pileus, or cap, like a mitre ; and the second, 

 those which have the pileus curving upwards, 

 like a cup, as in Peziza. A third tribe includes 

 those which, like Tremella, are of a jelly-like 

 substance ; and in a similar manner all the nu- 

 merous genera are arranged. Among these the 

 most remarkable are the Truffle ( Tuber cibarium\ 

 which is found buried in the earth, and the cu- 

 rious Fungi called Blight and Mildew, which 

 belong to several different genera, and which 

 appear on the leaves and fruit of other plants. 



ORDER CCXX.— ALG^. 



The Sea-weeds are placed on the extreme 

 verge of the vegetable kingdom ; and indeed 

 some of them seem almost to partake of the 

 nature of zoophytes. They can live only where 

 there is abundance of moisture, and many of 



