CRYPTOGAMIA. algae. 1938. Lichens. 
»75f- 
Reeeptackf or »uter coat ef ihefruStification, of the fame JuhJl ante- 
and colour as the frond, 
^^\Receptach compound; the outer raifed above the crust and wart- 
^fe, formed from the frond, perforated with a pore or two or cup^ 
^‘^e, including the inner which is glcbulrr or flattijh: frond crujia- 
I ^oous uniform. Thelotrema. . 
^‘’’^’^fus. Somewhat membranaceous, fraooth, uneven, grey: warts 
th' ^'^^'^‘^phserical, with a black pore or two. Eng. Bot. t. 677- 
'*’^eus. Somewhat leprous: warts much crowded, deformed, pure 
"'hite, dotted with brown within: pores imprelTed, numerous, 
dearly the colour of the warts, becoming perforated with a 
Uiff ^*^dwnifli orifice. Achar. t. 8./- 2. 
V‘°mus. Nearly orbicular, brownilh; warts fcattered, browmilh ; 
^ apertures white, perforated. Arch. Bot. 4. t. i. f. e. 
^Saceus. ElFufe, unequal, rugged, fomewhat cracked, dull grey •. 
J^^arts fcattered, convex, (lightly papillate, perforated and of the 
colour when ripe. 
‘^^s. Cartilagino-membrananous, fmooth, glaucous-grten ; 
^arts fcattered, nearly conic, gaping, cup-(haped, brown within; 
^^ftiargin of the aperture membranous, entire. 
■ ^dusus. Membranous, poliflied, cream-colour; warts open, concave, 
teth-colour within; margin of the aperture membranaceous, inflected. 
Gartilagino-membranous, fmooth, becoming uneven, grey- 
h: Warts rounded, at length deformed angular and half open; 
.'‘k rather deprelLd brownifii ; margin tumid, flightly crenate, 
^ ‘^regular. Schrad.t i./. 5. 
Eubercles roundijh, terminal ,*ineloftng a globular nucleus, at firjf 
^’^fed, at length irregularly opening and difeharging the nucleus 
gradually moulders into a blach dust: frond fhruhby,foHd, 
^^iid. Sphasrophoron. 
'^lotdes. Cartilaginous, yellowifh-grey: branches lax, diva- 
'^ate, cylindrical, fibril'ous ; tubercles, nearly globular, equal. 
1 - ^ 5 - 
j Tufted, brittle, grey-brown: branches fhort, crowded, flat- 
°Pped, cylindrical, naked ; tubercles turbinate-globular, a little 
'C^rty. Jcht.s.f.S. 
^ ^us. Tufted, cartilaginous, white becoming brownilh; 
''inches lliort, crowded, plano-comprc.Ted: tubercles nearly 
dcprelfed at top, equal. Eng- Bot. 114. 
'Eubercles fomewhat difeoid, terminal, at first covered with the 
Jfond, at length bunting through and bearing f mall central co- 
‘’‘fred globules tvhich elenfually fall off: frond crustaceans, pa~ 
Hilary or branfhed, Jfidiuui. 
