CLADONIA. 247 



16(5). C. delicata (Ehrh.) Fl. ; small; the thallus associable 

 primarily with reduced states of that of C. squamosa, but soon 

 disappearing in crowded, white granules; podetia short; slender; 

 simple for the most part, or only now branching above ; soon 

 decorticate ; besprinkled with granules ; apothecia heaped ; be- 

 coming dark-brown. Nyl. Syn. p. 210. C. parasitica, Schcer. 



Tuck. Syn. N. E. p. 51 ; Lich. Amer. exs. n. 29. C. squamosa, 

 v. delicata, Fr. L. E. 



Decaying wood. Northern and middle States, Muhlenberg 

 Catal. 1818. Ohio, Miss Biddlecome. Illinois, Hall. Indiana, 

 V. d. Bosch. South Carolina, Eavenel. Alabama, Peters. 

 Louisiana, Hale. 



16(c). C. ccespiticia (Pers.) FL; thallus small but foliaceous, 

 much elongated, erectish, with many-cleft, crisped divisions; 

 compacted into a dense clump ; pale-green ; podetia very short; 

 naked ; or now wanting, and the brown apothecia sessile on the 



leaflets. FL Clad. p. 8. Tuck. Syn. N. E. p. 48. Nyl. Syn. 



p. 210. 



Old trunks of trees, and rocks. New York, as throughout 

 the northern States, Halsey View 1823. Ohio, Lesquereux. 

 Illinois, Hall. Virginia, Curtis. Tennessee, and South Caro- 

 lina, Eavenel. Thallus now much reduced. 



17. C.furcata (Huds.) Fr. ; thallus squamulose, small and 

 sparse, but at length much like that of C. squamosa except in 

 size ; podetia dichotomously fruticulose ; cartilagineous-corticate ; 

 polished ; brownish-green ; axils and fertile summits pervious ; 



the fertile ones corymbose; apothecia brown. Fr. L. E. p. 



229. Til. Fr.Scand.p. 78. 



a. crispata, Fl. ; podetia at first short and scyphiform, often 

 not unlike simple forms of C. gracilis, a, but pervious, and tur- 

 gescent ; soon elongated, and, by proliferation from the margin 

 much branched; from pale-greenish at length brown ; now 

 squarnulose ; the axils and summits funnel-shaped (now also 



not seldom closed, and cup-shaped). Fl. Mon. 148. Fr. L c. 



Tuck. Lich. exs. n. 31. 



b. racemosa, Fl. ; podetia elongated ; more or less inflated ; 

 and, together with the axils, here and there gaping ; the branches 

 spreading, and curved, and beset at length thickly with squam- 

 ules; the sterile summits subulate ; from pale-greenish at length 

 brownish. Fl. Mon. 152. Fr. I. c. Tuckerm. Lich. exs. n. 32. 



