= 
A aba 
66 CYCLOCARPINEE [LEPTOGIUM 
p- 26 (1879). Lichen fragrans Sm. Engl. Bot. t. 1912 (1808). 
Collema microphyllum Ach. Lich. Univ. p. 630 (1810); Borr. in 
Engl. Bot. Suppl. t. 2721 (1831); Hook. in Sm. Engl. Fl. v. 
p. 207: Mudd Man. p. 41; Cromb. Lich. Brit. p. 6; Leight. 
Lich. Fl. p. 22. C. fragrans Ach. Syn. Lich. p. 311 (1814); 
Hook. in Sm. Engl. Fl. v. p. 208. Enchylium microphyllum 8. F. 
Gray Nat. Arr. i. p. 396 (1821). . fragrans S. F. Gray 1. c. 
Collemodium microphyllum Nyl. ex Lamy in Bull. Soc. Bot. Fr. xxx. 
p. 337 (1883) ; Cromb. in Grevillea xv. p. 12 & Monogr. i. p. 58. 
Exsicc. Larb. Lich. Hb. n. 2 & Lich. Cesar. n. 3; Leight. 
n. 258. 
The cellular cortex is mostly somewhat indistinct. The fragrance 
from which it obtained its specific name was accidental (see 
Borrer 1. ¢.). 
Hab. On the trunks of old trees, chiefly ash and elm, in shady 
situations.— Distr. Not uncommon in the Channel Islands and 
throughout England, not recorded from Scotland or Ireland.—B. M. 
St. Brelade’s Bay, Jersey ; Lyndhurst, New Forest, Hants; Southwick, 
near Lewes, Henfield, Hurstpierpoint, Glynde, Danny and Wiston, 
Sussex; Copthall and Gosfield Hall, Essex; Claines, Worcestershire ; 
near Oswestry, Shropshire; near Bury, Suffolk; Wimpole Park, 
Cambridgeshire; Ingleby Park, Cleveland, Yorkshire; Leven’s Park, 
Kendal, Westmoreland. 
Growing on rocks or soil. 
2. L. biatorinum Leight. Lich. Fl. ed. 3, p. 25 (1879).— 
Thallus effuse, very minutely papillate-lobate, imbricate, brown 
or brownish-green. Apothecia minute, innate, brown or reddish, 
with a thickish pale entire margin; spores ovoid, 3—4-septate, 
becoming sparingly muriform, 25-30 p» long, 11-12 p thick.— 
Collema biatorinum Nyl. in Act. Soc. Linn. Bord. sér. 3, i. p. 268 
(1856) ; Carroll in Journ. Bot. iv. p. 22 (1866); Cromb. Lich. 
Brit. p. 5 & in Journ. Bot. xii. p. 335 (1874); Leight. Lich. Fl. 
.21. Collemodium biatorinum Nyl. ex Cromb. in Grevillea xv. 
p. 12 (1886) & Monogr. i. 57. 
Exsicc. Johns. n. 44; Larb. Lich. Hb. n. 282. 
Distinguished by the waxy-looking, somewhat Gyalecta-like apo- 
thecia, which are generally immersed in the thallus. The thallus 
covers the substratum with a thin lobulate blackish scurf. The 
lobules are indistinctly cellular. 
Hab. On cretaceous soil and the mortar of old walls in damp 
places, maritime and inland.—Distr. Plentiful where it occurs in the 
Channel Islands, S$. W. and N. England.—B. M. By the sea, Alderney ; 
Bonchurch, I. of Wight; Wadebridge, Cornwall; Woolsonbury and 
near Lewes, Sussex; Reigate Hill, Surrey; near Cirencester, Gloucester- 
shire; near Winlaton Mill, Durham. 
3. L. turgidum Cromb. Lich. Brit. p. 10 (1870).—Thallus 
thickish, lobate, the lobes small, turgid, ascending, with a 
fruticose appearance, undulate-plicate, wrinkled and concave at 
