406 88. Cornicul. 3. HOMOTHALAMES. Pl. cell. aph. 
6. Cornicularia ? pubescens. Downy horn-moss. 
Thallus lying down, cylindrical, wrinkled, roughish, 
black; ranches interwoven, hairlike, twigs not branched 5 
apothecia same colour as the thallus, edge not cut. 
Lichen Janatus, Wulf. in Jacq. Misc. 2. 
Lichen intricatus, EArh. Crypt. 8,80. 
Licsen pubescens, Lin. S. P. 1623. 
Usnea intricata, Hoffm. Germ. 136. i 
Cornicularia pubescens, Achar. Meth. Lich. 505; Lich, Univ. 616. 
Conferva? atrovirens, Dillw. Conf. 25. 
Scyionema? atrovirens, Agardh Disp. 59. 
On rocks and fells where water drips. 
Thalli aggregate, very similar to the preceding; apothecia 
rarely to be found; so that it is doubtful whether this and 
girardia atrovirens be one species or two. 
8. hispidula. Thallus rather stellate, brownish black, 
proliferous in whirls, hispid, branchy; branches slightly 
radiating, depressed, interwoven, very thin; apothecia 
crenate, dark brown. 
Secytonema atrovirens prolifera, dgardh Disp. 39. 
Cornicularia hispidula, Achar. Lich. Univ. 61T. 
X. 89. RAMALINA. Acharius. Branch-moss. 
Thailus cartilaginous, inside like tow, rather solid, 
branched, jagged, rather shrublike, mostly with soredia; 
apothecia saucershape, thickish, footstalked, somewhat shield- 
like, flat, edged, entirely formed of the thallus, covered with 
a similarly coloured cortical substance. 
1. Ramalina fastigiata. Even-lopped lranch-moss. 
Thallus compressed, cylindrical, smooth, pitted, branched, 
light sea-green ; branches thicker at top, even-topped; 
apothecia terminal, shieldlike, sessile, whitish. 
Lichen popnlinus, Ehrh. Crypt. 276. 
Lichen fastigiatus, Engl. Bot. 890. 
Lobaria populina, Hoffm. Germ. 140. 
Parmelia fastigiata, dchar. Meth. Lich. 260. 
Ramalina fastigiata, dcehar. Lich. Univ. 603. 
~ On the trunks of old trees. 
2. Ramalina scopulorum. Sea-shore branch-moss. 
Thallus compressed, smooth, slightly pitted, branched, 
pale grey; branches linear, slender; apothecia pedicelled, 
of the same colour. 
Lichen calicaris, Lin. S. P. 1613; Engl. Bot. 688. 
Lichen scopulorum, Dicks. Crypt. 3, 18. 
Parmelia scopulorum, Achar. Meth. Lich, 251. 
Ramalina scopulorum, char. Lich. Univ. 604. 
On rocks by the sea-side. 
