Rolfs — Florida Lichens. 37 



143. Arthonia tunctiformis, Ach. 



On Comus florida ; linden. 



144. Arthonia pyrrhula, Nyl. 



On mulberry; Myrica. 



145. Arthonia pyrrhuliza, Nyl. 



On mulberry; Myrica; chinquapin oak. 



146. Arthonia quintaria, Nyl. 



Abundant. On wild cherry; Myrica. 



147. Arthonia rubella, Fee. 



Common. On linden. 



148. Arthonia spectabilis, Flot. 



On mulberry; hickory; Myrica; pine. 



149. Arthonia taediosa, Nyl. 



Not common. On Myrica; oak; plum; Pinus 

 clausa; chinquapin oak; pear; Xanthoxylum ; linden. 



Mycoporum. 



150. Mycoporum pycnocarpum, Nyl. 



Common. On persimmon; Pinus clausa; Xan- 

 thoxylum. 



TRIBE CALICIACEI. 



Family Caliciei. 



Acolium. 



151. Acolium carolinianum, Tuck. 



On pine stump. 



152. Acolium javanicum, (M. & Vd. B.) Stitz. 



On gum. 



