

Inch 



COLLECTED DURING THE ENGLISH POLAR EXPEDITION. 3G5 



84. Ehizocarpon (Catocarpon) chionophyllum, Th. Fr. 



"Winter-quarters of 'Alert;' Cape Union, altit. 1200 feet: 



Polaris Bay, 



. Cape York ; sterile, but the determination certain. 



(ITelb.) 



) 



"Westward- 

 t's ' winter 



Haven, 



87. Ehizocarpon geminatttm (Fw.), Th. Fr. 

 Westward-Ho ! Valley; Egerton Valley; Floeberg Beach; 



summit of Cape Union ; Polaris Bay ; Cape York. 



Obs. Bhizocarpon inops, Korb. Zw. Deutsch. Polarf. ii. p. 81, 

 is nothing but a young S. geminatum, growing on places almost 

 inaccessible to the sunshine, and therefore with a crusta tenuis- 

 sima, verrucis dispersis. The " lacteus M colour which is attri- 

 buted to these verrucae depends on the same cause as the similar 

 colour of u Qyrophora Koldeweyi" growing in company there- 

 with (see p. 355) ; for the verrucae are quite dead, the hyphaD in a 

 state of dissolution, and the gonidia destroyed. 



88. Ehizocarpon endamtlefm, Th. Fr. Lich. Scand. p. 627. 

 A little fragment from Cape Sabine. 



89. Ehizocarpon grande (Fldrk.), Am., /3. qttaternarium, 



n. var. sporis normaliter quaternis. 



A single small specimen from Alexandra Haven. 



Accords externally completely with H. grande ; the verrucas 

 scattered on a black hypothallus, K— , I—. The inner parts of 

 the apothecia are as follows : — Hypothecium obscure fuscum ; 

 paraphyses graciles, gelatinam copiosam percurrentes, apice 

 rubenti-nigricantes et K intense purpurascentes ; sporae normali- 

 ter 4nae, interdum 3nae vel 5nae, ellipsoideae, oblongae vel elongato- 

 oblongae, rectae vel curvulae, utrinque obtusae, obscuraa, halone 



012-0 



mm. crassae ; gelatina hymen, iodo intense caerulescens. 

 90. Dermatocarpon (non determinandum). 



A small and 



Westw 







LINN. JOURN. — BOTANY, TOL. XVII. 2 D 



