ACOTYLEDONS. ALOE. Conferva. 81 



obtuse erect tufted, articulations about as long as they are 

 broad. Ag. p. 73. Dilliv. Conf. t. 89. C. musticola, E, B* 

 t. 1638. 



HAB. On Orthotrichum stridtum, Lyellii, and pulchellum, and pro- 

 bably other species of the genus. Very common in Kinross-shire, 

 at Caldron Linn, and Castle Campbell j and in a small wood at 

 the foot of the Pentland hills, Mr. Arnott. 



2. C. ebenea, filaments branched erect tufted rigid subcartilagi- 

 nous obtuse, articulations as long as they are broad. Ag.p.14. 

 Dillw. Conf. t. 100. Byssus nigra, Lightf. p. 1003. E. B* 

 t. 702. 



HAB. Rocks and trees. On the stump of a tree in Macbeth's wood,, 

 at Brodie, near Forres, Hook. 



3. C. arachnoided) filaments decumbent elongate membranaceous 

 equal a little branched loosely entangled and forming a fulvous 

 or brownish mass, the articulations thrice as long as they are 

 broad. Ag. p. 74. Dillw. Conf. Tab. C. 



HAB. On decaying wood, Arlary, by Kinross, Mr. Greville. 



4. C. purpurea, filaments erect subflexuose dichotomously 

 branched forming rather large crimson dense tufts or patches, 

 articulations rather longer than they are broad. Dillw. t. 43. 

 Byssus purpurea, Lightf. p. 1000. JB. B. t. 192. 



HAB. Upon the Abbot of Mackinnon's tomb, in the ruined Abbey of 

 I-columb-killj Lightf. 



** Coloured, simple. 



5. C. ericetorum, filaments simple decumbent intricate forming 

 a purplish stratum, articulations half as long again as they 

 are broad. Ag. p. 76. E. B. t. 1553. 



HAB. On the ground in moist heathy places. 



6. C. Pteridis, filaments simple creeping brownish orange, ar- 

 ticulations longitudinally plicated thrice as long as broad. Ag. 

 p. 76. 



HAB. About the dead stems of Pteris aquilina, not uncommon about 

 Edinb., Mr. Arnott. 



Growing in small tufts of about an inch or less in diameter. Fila- 

 ments membranaceous, straight, subparallel, fixed by their two ex- 

 tremities, and thus creeping. Articulations longitudinally plicated, 

 subcollapsed, somewhat as the medulla in the inside of the quill of 

 a feather. Ag. 



*** Greenish, simple. 



7. C. dissiliens, filaments simple slender fragile straight, arti- 

 culations twice as short as they are broad. Ag.p. 81 . Dillw. 

 Conf. t. 63. E.B. t.2464. 



HAB. Ditch near Fossil bog, Hopk. 



8. C. bipunctata, filaments simple capillary intricate softish, ar- 

 ticulations twice as long as they are broad at length with two 

 masses of sporules. Dillw. t. 2. E. B. t. 1610. 



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