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DODGE-<strong>LICHEN</strong>8 <strong>AND</strong> <strong>LICHEN</strong> PARASITE8 127<br />
cortex over the verrucae fastigiate, highly gelified, 22-25,u thick; algae protococcoid, scattered in<br />
the spongy medulla of the pulvinus, cells 6-7,u in diameter ; medulla of loosely woven, contorted,<br />
thick-walled hyphae about 4p in diameter; chondroid axis about 75,u thick, inner surface some-<br />
what wrinkled and lacerate. Apothecia not seen.<br />
Spermogonia black, cylindric, terminal on branches; spermatiophores curved, ventricose,<br />
branched, 15-18 X 2r, tips acuminate ; spermatia cylindric, slightly curved, 7-10 X lp.<br />
CLADONIA CAPITELLATA (Taylor) Bab.<br />
Cladonia capitellaita (Taylor) Babington in Hook. f., F1. Nov. Zel., 2, 296 ; 1855.<br />
\<br />
Cenomyce capillata Taylorin Hoolr f., and Taylor, London Jour. Bot., 3, 652 ; 1884 [typographical<br />
error for G. capitellata as it is so written by Taylor on the sheet in his herbarium].<br />
Cladontiz amail'rocraea var. ~ a~itellata-~~~~8m. Soc. Nat. Cherbourq, 5, 95 ; 1857.<br />
Types: New Zealand, J. D. IIoolrer (Voy. " Erebus & Terror") in Taylor Herb. at Farlow<br />
Herbarium, Harvard University.<br />
There is little to add to Vainio's description in the Monog. Clad., 1, 274; 1887, except the<br />
microscopic structure of the apothecia; parathecium scarcely more than browner paraphyses at<br />
the margin of the thecium ; hypothecium 3540~ thick, of slender vertical hyphae, somewhat interwoven<br />
; thecium 3540,~ tall ; paraphyses slender, dichotomous above, tips very slightly thickened,<br />
cutting off spherical, brownish cells about 2,u in diameter at the surface of the brownish epithecial<br />
gel; asci clavate, 25-30 X 7-8,u thin-walled ; ascospores 6-8 X 2~5-3~, long ellipsoidal, hyaline,<br />
unicellular. All parts of the thallus P-.<br />
CLAD~NIA USTULATA (Hoolr. & Taylor).<br />
Cladonia uslulata (Hook. f. & Tayl.) Leight., Ann. Mag. Nat. Hist. III,18,108 ; 1866.<br />
~enont~ce/Clstula.ta Hoolr. f. & Tayl., London Jour. Bot., 3,652; 1844.<br />
Cenomyce fimbriaiavar. tutulata Tayl. in Hook. f., Crypt. Antarct., 225 ; 1845.<br />
Cladmtiz fimbriata f. ?lstulata Nyl., Syn. I~ich., 196 ; 1858.<br />
Type: Falkland Islands, Uranie Bay, J. D. Hoolrer (Voy. "Erebus & Terror") in Taylor<br />
Herb. at Farlow Herbarium, Harvard TJniversity.<br />
'<br />
Primary thallus circular, about 3 mm. in diameter, margins minutely crenate and ascending,<br />
7'<br />
, dsurface slightly verrucose, tawny olive to clay colour; cortex 35-55r thick, fastigiate, completely<br />
' gelitled above, hyphae more distinct below, 4-5,u in diameter; algal layer continuous, 75r thiclr,<br />
very compact in the upper half, less so below, with occasional algal cells scattered in the upper<br />
part of the medulla, cells about lop in diameter; medulla of loosely woven, thick-walled hyphae,<br />
2-3,u in diameter.<br />
Podetia up to 1.5 em. tall, 0.7-1.2 mm. in diameter, cylindrical or slightly inflated below,<br />
tapering upward, obtuse when terminated by spermogonia, or truncate when minutely scyphiferous,<br />
tips blackened, corticate at first, then areolate verrucose below, powdery sorediose above, and<br />
finally decorticate, pale to darlr olive buff, impellucjd, KOH promptly yellow then fuscescent; P-<br />
or very faintly yellow, axis P-; cortex not seen in portion of podetium sectioned; algal layer<br />
about 35p thick, continuous, then breaking np into verrucae and soredia and finally absent ; medulla<br />
not differentiated as a distinct layer ; chondroid axis about 75,u thick, of very slender, closely woven,<br />
conglutinate hyphae, sublacerate and divided into fibres, but very rarely fistulose.<br />
Apothecia conglomerate, convex but constricted at the margin, now black ; amphithecinm and<br />
,<br />
parathecium absent, very immature.
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