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A Monograph of the Lichen Genus Parmelina Hale - Smithsonian ...

A Monograph of the Lichen Genus Parmelina Hale - Smithsonian ...

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54 SMITHSONIAN CONTRIBUTIONS TO BOTANY<br />

dichotomously branched at maturity. In any event,<br />

<strong>the</strong> chemistry-fumarprotocetraric acid-was ano-<br />

malous for <strong>Parmelina</strong>, and this was <strong>the</strong> first clue to<br />

its correct generic status.<br />

<strong>Parmelina</strong> carporrhizans<br />

<strong>Parmelina</strong> carporrhizans (Taylor) <strong>Hale</strong>, 1974:482.<br />

I now consider this to be a synonym <strong>of</strong> Parme-<br />

lina quercina.<br />

<strong>Parmelina</strong> crystallorum<br />

<strong>Parmelina</strong> crystallorum (Lynge) <strong>Hale</strong>, 1974:482<br />

This species is synonymized under <strong>Parmelina</strong><br />

damaziana.<br />

Parme 1 ina h om ogen es<br />

<strong>Parmelina</strong> homogenes (Nylander) <strong>Hale</strong>, 1974:482.<br />

I have placed this species in synonymy under<br />

Pa rm e 1 in a szi bau ru 1 en t a.<br />

<strong>Parmelina</strong> nylanderi<br />

<strong>Parmelina</strong> nylanderi (Lynge) <strong>Hale</strong>, 1974:483.<br />

Parmelia nylanderi Lynge, 1914:82 [type collection: Sear $450<br />

Jeronyno, Serra da Chapada, Mato Grosso, Brazil, Malme<br />

2747 (S, lectotype)].<br />

I originally considered this loosely attached saxi-<br />

colous lichen to be a member <strong>of</strong> <strong>Parmelina</strong>, but<br />

after examining a second collection (Eiten 3429<br />

(US) from S5o Paulo, Brazil), I now feel that <strong>the</strong><br />

chemistry (usnic acid in <strong>the</strong> cortex and salazinic<br />

and gyroplioric acid in <strong>the</strong> medulla) and general<br />

habit, in spite <strong>of</strong> <strong>the</strong> narrow ciliate lobes, place it<br />

more appropriately in Parmotrema (P. nylanderi<br />

(Lynge) <strong>Hale</strong>, new combination). It is related to<br />

<strong>the</strong> much broader lobed P. delicatulzim (Vainio)<br />

<strong>Hale</strong> group so common on sandstone in South<br />

America.

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