970 CRYPTOGAMIA ALGM. 



threads or hairs to a piece of tape a quarter of 

 an inch in diameter, and from an in:h to a foot 

 in length •, always of a green color, unlefs 

 blanch'd by the fun and air. 



«. It varies, firft, with leaves branched either in alter- 

 nate or dichotomous order. This generally 

 happens in the fineft or capillary kind. 



ft. Sometimes the leaves are contraded at equal 

 diftances, fo as to appear jointed. 



y. Sometimes they are both jointed and branched. 



J. Often the largefl are filiform at the bafe, and di- 

 lated upwards. 



,. And, laftly, they are fometimes proliferous. Dil- 

 lenius has figur*d them in all thefe ftates. 



la&uca 5. ULVA palmata prolifera membranacea, ramentis 

 inferne anguftatis.^ L/;;. Jyfi. nat. f. 817. Sp. 

 pi. 1632. n. 5. (Ger. err.ac. 1566. n. 2. Billen. 

 mujc. 42. /. 8. /. I.) 



Lettuce-Laver, or Oyiler- Green. 4nglis, 



Green Sloke. Scotis, 



In the fea frequent, grov/ing upon (lones and 

 fhells, &c. 



TIi^3 confifls only of a very thin, green, pellucid 

 membrane, of no certain fize or figure, but 

 found from two inches to a foot or more in 

 length, and from one to five inches in breadth ; 

 either plaited, undulated, finuated, or varioufly 



laciniated 



