420 On the Determination of the Cladoniei by Hydrate of Potash. 



9. C. schizopora, Nyl. According to Dr. Nylander {in litt.), 

 this has K— . 



10. C. aggregata, Eschw. = Spruce, Amaz. 18. 



Of this fine species my herbarium contains specimens from 

 Middle Island and Port Nicholson (Dr. Lyall), Australasia (Dr. 

 C. Knight), St. Patrick's River, Australia (Colenso), Pavians- 

 kloof. South Africa (Breutel), Valparaiso (Dr. Puccio). 



11. C retipora, Flk. Of this beautiful species I have speci- 

 mens from Tasmania, Australia, Mount Wellington, Van Die- 

 men's Land. 



*** ErythrocarpcB (K — ). 



12. C. leporina, rr.= Wright, Cuba, 44. 



Of this Dr. Nylander {in litt.) says that it is a Cladina, Nyl. 



IV. PiLOPHORON, Tuck. 



1. P. rohustum, Th., Fr. (Ster. Pil. t. 10. f. 3)=T. M. Fries, 

 L. Scand. 11. 



This has the reaction K + . 



2. P. aciculare, Tuck. (Ach. Mcth. t. 8. f. 4; Th. Fr. Ster. 

 Pil. t. 10. f. 4). 



The only specimens I have seen of this were collected by 

 Dr. Lyall in Sumass, British Columbia, 1859, and have K + . 



3. P. fibula, Tuck. Of this I have seen no specimens ; but 

 Dr. Nylander says it has K + . 



V. Heterodea, Nyl. 

 I. H. Mullerii, Nyl. (Lich. Nov. Caled. p. 39) has K— . 



Of the following Cladonice, described in Dr. Nylander's Syn- 

 opsis, I have seen no specimens, and am also ignorant of their 

 reaction : — 



PhceocarpcE. 



C. stenophylla, Nvl., C. candelabrum, Bory, C. Caroliniana, 

 Tuck. 



Ery thro carp (E. 



C. leptopoda, Nyl., C. areolata, Nyl., C. angustata, Nyl., C. 

 cristatella, Tuck., C. macilenta var. seductrix, Nyl. 



