392 PROCEEDINGS OP THE AMERICAN ACADEMY 



with US, and always distinguishable by its entirely smooth, scarcely 

 notched, often subconnate lobules, Avhicli are more or less powdery- 

 tomentose beneath. The Lichen also recedes towards P. stellaris, but 

 approaches it less nearly than a similar state of the last variety. The 

 Java Lichen, for which I am indebted to Dr. Van den Bosch, does not 

 appear to differ from ours. 



Var. b. podocarpa: stellata, glabra; laciniis plano-convexis multifi- 

 dis lobulis simpliciusculis subadscendentibus subtus pulverulento-tomen- 

 tosis margine villoso-fibrillosis ; apotheciis elevato-podicellatis pruinosis 

 margine crenato-lobulato. Sporte speciei. Parmelia podocarpa, Bel. 

 Voy. Ind. Or. IL pag. 122, cit. Montag. & V. d. Bosch. Lich. Jav. p. 

 2L P. leucomela, v. podocarpa, NyL Enum. Gen. 1. c. p. 106. On 

 branches of trees in thick woods, Cuba, 3Ir. Wright. But the Lichen is 

 only an intermediate state between the aj)pressed conditions of the 

 pi-esent species, and the immediately following erectish state, into both 

 of which it distinctly passes, both in Cuba and in Louisiana (Dr. Hale). 



Var. e. GALACTOPHTLLA, Tuckerm.: adscendens, glabra ; lobis abbre- 

 viatis superne dilatatis repandis subtus pulverulento-tomentosis margine 

 villoso-fibrillosis ; apotheciis oblique subpodicellatis pruinosis margine 

 crenulato-sublobatis. Sporge speciei. Parmelia involucrata, Mey. in 

 Spreng. Syst. Veg. Cur. Post. p. 328, e descr. P. comosa, Eschw. Bras, 

 p. 199 ; Nyl. Enum. Gen. 1. c. p. 106. P. echinata, Tayl. in Hook. 

 Journ. Bot. 6, p. 166, e Nyl. Lich. Exot. P. cillaris, var. galacto- 

 phylla, Tuckerm. Synops. p. 32. P. speciosa, var. galactophylla, Ejusd. 

 Lich. Exs. n. 82. Parmelia galactophylla, Willd. Herb. On trees, 

 very rare northward, and less fibrillose, when it does not appear to 

 differ from the widest states of P. leucomela, var. latifolia, Flot. <5c 

 Mey. (Herb. Kunze. Herb. Berol.), and is sometimes {P. erinacea, 

 Hamp. in Herb. Kunze, from Peru) almost undistinguishable from 

 European states of P. ciliaris ; — but southward becoming common 

 and densely fibrillose, the fibres at length covering every part of the 

 surface, as in the state described by Eschweiler. Maine, infertile, 3Ir. 

 Oakes. Cambridge, Massachusetts, on Red Cedar, infertile, very rare. 

 Hingham, on Red Cedar, infertile, Ifr. Russell. Pennsylvania, 3Iuh- 

 lenherg, fertile, 1796 (Hoffm. D. Fl. H. p. 144, where it is cited under 

 P. ciliaiis, under which species Floerke also placed the Lichen, with a 

 mark of doubt, in his herbarium. Herb. Berol.). Ohio, on Red Cedars, 

 fertile, 3Ir. Lea. Mountains of Virginia, B. D. Greene, Esq. North 



