322 DR. J. MUELLER — LICHENES EPIPHYLLI SPBUCEAJST. 



Plate XXX. 



A branch of Rosa Prattii, HemsL, natural size. 

 Fig. 1, section of a flower ; 2, a carpel : both enlarged 



Plate XXXI. 



i 



A branch of Lysimachia involucrata, HemsL, natural size. 

 Fig. 1, portion of a leaf ; 2, a flower laid open : both enlarged 



Plate XXXII. 



A branch of Lysimachia longipcs, HemsL, natural size. 

 Fig. 1, a flower laid open ; 2, a capsule opened ; 3, a seed : all enlarged. 



Plate XXXIII. 



Portions of a plant of Oxyria sinensis, Hem si., natural size. 



Fig. 1, a flower ; 2, a fruit : both enlarged. 



Lichenes Epiphylli Sp^uceani, a cl. Spruce in regione Rio 

 Negro lecti, additis /illis a cl. Tbail in regione superiore 

 Amazonum lectis, ex hb. Kewensi recenter missi, quos ex- 



Muelltb. (Communicated bv W 



Dyer, F.E.S., E.L.S., &c.) 



[Bead 5th May, 1892.] 



Trib. PATCtfABIE^. 



Coccocabpia iERUGiNosA, Muell. Art 



Montana 



Bio Negro, Spruce, n. 631. 



2. Coccocabpia tenuissima, Muell. Arg. in Flora, 1883, 

 p. 354 ; in foliis Dicotyledon, ad San Gabriel, Spruce, n. 486. 



Trib. Lecanobe^. 



3. Lecania bicolob, Muell . Arg. ; tballus glauco-albidus, ma- 

 culari tenuis, continuus, granulis flavescenti-albidis tantum circ. 

 ^- mm. latis paullo irregulariter hemisphaericis dense sparsis 

 ornatus, demum facile evanescens aut tantum granulis repraesen- 

 tatus; apothecia circ. \ mm. lata, plana, crassiuscula,persistenter 



