ACOTYiEDONS. — AhG/E. Lemauia. 83 



Hab. On Fuel and Corallines at Forres, Morayshire, James Brodie, 

 of BrucUe, Esq. 



About 1 inch long, growing in rather dense, fasciculated tufts. 



It). C. rupeslrh, filaments fasciculated very much branched 

 straight tvviggv obtuse, branches erect, joints pellucid, articu- 

 lations cylindrical thrice as long as broad. Ag. p. 91. Dillw. 

 t.948. E.B.t.\tJ99. 



Ha3. Rocks on the sea-shore, common. 



Three to five inches long, blackish green, rigid ; when dry not ad- 

 hering to paper. 



17. C. cBgugropila, filaments divaricating from a centre very 

 much branched rigid obtuse forming a compact globe, articu- 

 lations 4 — 5 times longer than broad. Ag. p. 92. E. B. 

 i. 1377. Dilliv. Covf. t. S7. 



Hab. Lakes and ditches, north of Scotland, James Brodie, of Brodie, 

 Esq. In ditches, bogs, and stagnant waters, occasionally. In a 

 ditch leading into Mugdoch-lake, plentifully, and in the Loch, 

 Iloijk. 



This extraordinary production varies in diameter from half an inch to 

 2 — 3 inches, forming a compact green ball, which is said in E. Bot. 

 to be useful for wip-ng pens upon. The name is derived from its 

 resemblance to the balls that are found in the stomachs of goats. 

 In drying, the filaments become contracted at the joints. 



18. C.'luhrica, filaments very much branched slender gelatinous, 

 branches and branchlets approximate subulate pellucid at the 

 extremities, articulations thrice as long as they are broad 

 marked with a dark green zone in the middle. Ag. p. 92. 

 Dillw. Cofif. t.57. 



Hab. In a rivulet running into the water of Leith, in the middle of 

 the Glasgow road from Edinb., Mr. Grevilk. 



19. C. olivacea, filauicnts branched erect tufted intricate abbre- 

 viated rather rigid olive green, branches suhsimple alternate 

 obtuse, articulations about as long as broad. Dillw. Covf. 

 Syn. p.57 . t. C. 



Hab. Marine rocks in Papa ^\^estra, Orkney, Mr. Borrer and Hook. 

 About half an inch long, much entangled, flexuose. 

 ^*x-:<--!t Qreen, branched, not aquatic. 



20. C. velulina, filaments creeping and rooting branched, 

 branches flexr:0se sul)pellucid erect obtuse collected into a 

 beautiful green velvet-like stratum, superior articulations twice 

 as long as they are broad, ylg. p. 94. Dillw. Conf. t. 77. 

 E. B. t. 1556. Byssus velulina. Light/, p. 1001. 



Hab. Damp, clayey banks, sides of ponds, rivers, &c.. Light/., Ilopk. 



13. LEMANIA. 

 Filaments torulose, bearing their fructification internally. Sporules 

 beaded, collected into pencil-shaped tufts, and fixed to the 

 inner surface of the hollowed parts of the frond. — Eilamcnts 



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