PI. cell. aph. 4. IDIOTHALAME/E. 123.Rhizom. 489 
Clavaria hypoxylon 2, Withering Bot. Arr. 4, 404. 
Rhizpmorpha diehotoma, Achar. Licit. 589; Sowerby Fungi t 298. 
In mines. 
5. Rhizomorpha setiformis. Brisflelike root-moss . 
Thallus cylindrical, very slender, black, shining, scarcely 
branched, tips divided. 
Lichen hippotrichoides, Weber Germ. 231. 
Usnea hippotrichoides, Hoffm. Germ. 137. 
Rhizomorpha setiformis, Achar. Lich. 589 ; Persoon Syn. Fung. 705 . 
On dead fallen fir-leaves. 
6. Rhizomorpha tuberculosa. Tubercular root-moss . 
Thallus threadlike, slightly compressed, not branched ; 
apothecia scattered, globular, acuminated, deep black. 
Lichen setosu?, Leyser FI. Halens. 1171. 
Hypoxylum loculiferum ? Bulliard Herb. 
Rhizomorpha setiformis tuberculata, Achar. Lich. 589. 
On wood long kept in cellars. 
7. Rhizomorpha Stokesii. Stokes’ root-moss . 
Thallus dull foxy-brown, compressed ; branches divari- 
cated, rounded, blunt. 
Rhizomorpha Stokesii, Sowerby Engl. Fungi , 430. 
On chalk-pits. 
Thallus fiat, netlike, entangled, sometimes covered with 
the chalk. 
8. Rhizomorpha Harrimanni. Harriman’ s root-moss . 
Thallus dull-brown ; main stems irregularly angular, 
brittle; covering cracking transversely; branches long, 
wavy. 
Rhizomorpha Harrimanni, Sowerby Eng. Fungi , 431, I. 
In mines. 
Thallus resembles bugle-trimming; inside white, cot- 
tony, tough. 
9. Rhizomorpha variegata. Variegated root-moss . 
Thallus long, round, nearly of uniform thickness; 
branches in bundles, lighter coloured; twigs still lighter, 
silky. 
Rhizomorpha variegata, Sowerby Engl. Fungi y 431, 2. 
Under ground. 
Thallus crowded ; pith scarcely any. 
