Grpuna extremely fruitful. In Guernfey the poor Peo- 
ple dry it, and lay it up in Heape for Tuel, and ulethe 
Aflies’for the above-mentioned Purpole. 
2. jilga is a ‘plant growing under \Yater, with very 
nam w long Grafs Leaves, bearing a more confpicuous 
Seed-Veflef than the Fucus, .which when ripe burfts 
and lliedsits Contents. 
Gen. III. Mtifctts or Mofs. Thb'is a 
kind of Vegetable defritute of any perfefb Seed, 
many bearing in the room of a Flower fmall 
Heads upon tender Stalks, containing a fort of 
feminal Duft,wdiich feems to promote the Propa- 
o-ation of frelh Buds Ihuting forth, either fide- 
ways from between the Leaves, or from the 
Extremity of the old Branches, which do ne- 
ver intirely decay, but revive if Moifture comes 
to then) ; others have no fuch Heads, and are 
either of a conflant uniform Make, or elfe at 
certain Times have Pelts, or little Shields^ 
or Tubercles upon their Surface. Thefe two 
!afl Sorts may be called barren Mojfes^ the other 
florid Mojfes. 
Of the barren Mojfes we meet with four forts^ 
I. "Byfus, which is of all the Mojfes the lowell 
Kiiid, of a moft lubtil Texture, hardly dilcernable by 
the naked Eye, confilling either of a fine Duft, adhe- 
ring to various Subftances, or of a moft lubtil downy 
Web. Ills of a lafting Nature, and appears always the 
lame. 
2. Conferva: This is a barren bearing^ no 
Pelts nor Tubercles, confilling ot nothing but 
long, round Leaves, or rather Filaments. 
5 . Ulva 
