444 CRYPTOGAM I A LICHENES. Class XXIV. 



3103. BJEO'MYCES Ach. B.eomyces. (Baios, small, myites, fungus ; appearance of fructification.) 4. — 10. 



26772 roseus Ach. rosy granulated i su Gsh heaths Eng. bot. 374 



26773 rufus Ach. rufous powdery | su Gsh sandstone Eng.bot.373.L.&#ssoufcs 



26774 microphallus E. B. small-leaved imbri. patch. 3 winter D.G wet heaths Eng. bot. 1782 



26775 cajspititius E. B. turfy leafy tuft 3 aut Pa. G oaks Eng. bot. 1796 



3104. ISI'DIUM Ach. Isidiom. (Isos, equal ; small differences which exist between the podetia.) 5. — 11. 



26776 microsticticum/ZooA-. small-dotted tartareous | aut Brsh rocks Eng. bot. 2243 



26777 corallinum Ach. coralline crowded pate. | aut Gysh rocks Eng. bot. 1541 



26778 Westringw Ach. Westring's cracked crust £ aut Gysh rocks Eng. bot. 2204 



26779 phymatodes Ach. bladdery powdery crust 3 winter Pa. Su stems,old tr. 



2 phragmae\im Ach. bushy powdery crust 3 winter Y.Ol stems, old tr. Eng.bot.1529. L. luie'so. 



26780 coccbdes Ach. berried powdery crust 2 aut Pa. Ol park pales Eng. bot. 1511 



3105. STEREOCAU'LON Ach. Stereocaulon. {Stereos, rigid, kaulon, a stem.) 1. — 6. 



26781 paschale Ach. Easter branch, tufts 2 year Gysh mountains Eng. bot. 282 



3106. SPH^EUO PHORON Ach. Spimsr. (Sphaira, globe, phoreo, to bear ; form of fructification.) 3. — 14. 



26782 coralloides Ach. coral-like bushy 1 1 year Pa.Br rocks Eng. bot. 115 



26783 fragile Ach. brittle bushy 1 year Gysh rocks Eng. bot. 2474 



26784 compressum Ach. compressed bushy 1 year Wsh rocks Eng. bot. 114. L fr&gilis 



Tribe III. HOMOTHA'LAMI. 



3107. ALECTO^RIA Ach. Alectoria. (Alektor, unmarried ; uncertainty respecting male flowers.) 2.-7. 



26785 jubata Ach. maned long tufts 3 winter Br on fir trees Eng. bot. 1880 

 2 chalybiiformis Ach. steel-formed long tufts 3 winter Gy.B on fir trees 



26786 sarmentosa Ach. twiggy much branch. 2| winter Pa.Y mountains Eng. bot. 2040 



3108. RAMALPNA Ach. Ramalina. {Ramale, a withered branch ; habitat.) 5. — 19. 



26787 /raxinea Ach. Ash-like loose tufts 2 year Gysh bran, of trees Eng. bot. 1781 



26788 fastigiata Ach. peaked loose tufts 2 year Gl rocks & trees Eng. bot. 890 

 2 calicaris Ach. calyx-like loose tufts 1| year Gl rocks & trees 



26789 scopulorum Ach. rocks loose tufts 1| year Y.Gy marine roc. Eng. bot. 688 



26790 far in acea Ach. mealy bushy tufts 2 year Gysh trun. of trees Eng. bot. 889 



26791 pollinaria Ach. powdery bushy patch 3 year Bt.G old oaks Eng. bot. 1607 



3109. CORNICULA'RIA Ach. Cornicularia. (Corniculus, a little horn ; divisions of thallus.) 7. — 16. 



26792 tristis Ach. dingy shrubby 1| year Dp.Br alpine rocks Eng. bot. 720 



26793 aculeata Ach. prickly shrubby 1 year Ch Highl. mou. 



2 spadicea Ach. scarlet shrubby 1 year Ch Highl. mou. Eng.bot.452. ~L.hlspidus 



26794 bicolor Ach. two-colored shrubby 1 year B Highl. mou. Eng. bot. 1853 



26795 ochroleuca Ach. pale-yellow shrubby If year Pa.Y Highl. mou. Eng. bot. 2374 



26796 lan ata Ach. woolly shrubby § year Gy.B rocks Eng. bot. 846 



26797 pubescens Ach. pubescent entangl. tufts 3 aut B rocks Eng. bot. 2318 



26798 heteromalla E. B. various-woolled rough patch 3 aut B bark of trees Eng. bot. 2246 



3110. U'SNEA Ach. Usnea. {Achneh, lichens, Arab.) 3. —10. 



26799 florida Ach. flowering erect 1\ winter Gsh old trees Eng. bot. 872 



26800 plicata Ach. plaited pendulous 4 winter Gsh old trees Eng. bot. 257 

 2 hirta Ach. hairy nearly erect 2 winter Gsh old trees Eng. bot. 1354 



26801 barbata Ach. bearded pendulous 4 winter Gsh old trees Eng. bot. 258. 2 

 2 articulata Ach. jointed pendulous 4 winter Gsh old trees Eng. bot. 258. 1 



3111. COLLE > MA Ach. Collema. (Kollema, glue ; fronds gelatinous.) 27.— 41. 



I. Placy nthium. — Thallus crust-like, irregular or uniform. 



26802 nigrum Ach. black regular patch 3 wet w B.G calcar. rocks Eng. bot. 1161 



II. Enchy'lium. — Thallus imbricated, plaited, roundish, composed of minute lobes, becoming very turgid, 



when wet. 



26803 cheileum Ach. lipped round, patch 1| wet w B.G roots of trees 



26804 fragrans Ach. fragrant small patches § wet w D.Ol trun. of elms Eng. bot. 1912 



26805 crispum Ach. crisp round patch. § wet w Gl on the grou. Eng. bot. 834 



26806 tenax Ach. tough lobed tuft 1 wet w G moist places Eng. bot 2349 



26807 plicatile Ach. plaited lobed tuft 1 wet w Ol.G wet rocks Eng. bot. 2348 



26808 fluviale Ach. river many-parted ± wet w Br calcar. rocks Eng. bot. 2039 



26809 mela? v num Ach. blackish starry § wet w Br rocks 



2 marginale Ach. marginal imbric. lobes 1 su Ol Highlands Eng. bot. 1924 



26810 fasciculare Ach. fascicled roundish 2 aut.w Br trun. of trees Eng. bot. 1162 



26811 cretaceum Ach. cretaceous minute dofs winter Br chalk stones Eng. bot. 738 



26812 corrugatum Ach. wrinkled small patches | winter D.G rocks, sea co. Di. muse. 19. 19 

 III. Scyti'nium. — Thallus somewhat foliaceous, irregular, formed of naked, expanded, thick, turgid, 



naked lobes. 



26813 palmatum Ach. palmated lobed patch 1 sp. su Br sand, ground Eng. bot. 1635 



26814 granulatum E. B. granular imbric. patch 1| wet w Br gravel walks Eng. bot. 1757 



26815 multipartitum E. B. many-parted lobed patch 3 su Ol. G rocks & walls Eng. bot. 2582 



IV. M ALLcm um. — Thallus foliaceous ; lobes rounded, downy, or fibrous beneath. 



26816 saturnlnum Ach. dingy leafy 2 year B.G trun. of trees Eng. bot. 1930 



26817 Burgessw Ach. Burgess's leafy 2 year Gl trun. of trees Eng. bot. 300 



V. Latha\jrium. — Thallus foliaceous ; lobes somewhat membraneous, lax, naked, dark green. 



26818 nigrescens Ach. nigrescent leafy 2 year D.G trun. of trees Eng. bot. 345 



26819 flaccidum Ach. flaccid leafy smooth 2 year D.G Scotland Eng. bot. 1653 



26820 furvum Ach. dusky rugose memb. 2 year D.G trun. of trees Eng. bot. 1737 



26821 scotinum Ach. dark flat patches 1| su Ol old walls 



2 sinuatum Ach. sinuous flat patches 1| su Ol old walls Eng. bot. 772 



VI. Leptogium. — Thallus foliaceous ; lobes rounded, membraneous, thin, naked, cinereous, glaucous, 

 somewhat transparent ; apothecia slightly stalked. 



26822 tremelloides Ach. Tremella-like half transpar. 1 spring Lead rocks Eng. bot. 1981 



26823 lacerum Ach. lacerated half transpar. 1| spring Gl earth Eng. bot. 1982 



VII. Musd'coLUM. — Thallus very finely laciniated and branchletted. 



26824 subtile Ach. subtle starry 1| su D.G earth Eng. bot. 1008 



26825 ten uissimum Ach. finest flat patch 2 jl.au D.Ol dry banks Eng. bot. 1427 



26826 Schroder*- Ach. Schrader's small tufts £jn Y.G old walls Eng. bot. 2284 



