A HISTORY OF CORNWALL CH^ETOPHORACEJE Aphanochaete globosa, Wolle. Land's End repens, Berth. Kerris and Chy-an-hal Moors Chaetophora endivisefolia, C. Ag. W.C. pisiformis, C. Ag. tuberculosa, W. Hook. Draparnaldia glomerata, C. Ag. Bodmin Stigeoclonium fastigiatum, Ktitz. Chy-an- hal and Trungle Moors protensum, Ktitz. W.C. tenue, Rab. thermale, A. Br. CHR.OOLEPIDACE.ffi Microthamnion vexator, Cooke. W.C, Trentepohlia aurea, Mart. umbrina, Born. CEDOGONIACE.S: Bulbochxte crassiuscula, Nordst. mirabilis, Wittr. polyandra, Cleve. pygmaea, Wittr. Chy-an-hal and Ker- ris Moors rectangularis, Wittr. Near Grumbler sessilis, Wittr. Bodmin - setigera, C. Ag. W.C. subintermedia, Elfv. Sennen subsimplex, Wittr. W.C. CEdogonium Areschougii, Wittr. W.C. Borisianum, Wittr. St. Mary's, Scilly Isles Boschii, Wittr. W.C. Braunii, Roth. Lizard capitellatum, Wittr. W.C. cardiaceum, Ktttz. ciliatum, Pringsh. Cleveanum, Wittr. crispum, Wittr. cyathigerum, Wittr. - decipiens, Wittr. Sennen - echinospermum, A. Br. W.C. flavescens, Ktltz. - inerme, Hirn. St. Mary's, Scilly Isles Landsboroughii, Wittr. W.C. - macrandrum, Wittr. oblongum, Wittr. platygynum, Wittr. psaegmatosporum, Nordst. CEooGONiACE^: (continued) CEdogonium Rothii, Pringsh. W.C. rufescens, Wittr. St. Mary's, Scilly Isles sphasrandrum, Wittr. W.C. Vaucherii, A. Br. W.C. W.C. Coleochaete scutata, Brb. CLADOPHORACEJE Cladophora canalicularis, Ktitz. BoTRYDIACE.ffi Botrydium granulatum, Grev. Marazion Marsh (August) VAUCHERIACE^ Vaucheria dichotoma, C. Ag. Dillwynii, C. Ag. W.C. geminata, D.C. sessilis, D.C. terrestris, Lyngb. RHODOPHYCE.E BANGIACEJE Porphyridium cruentum, Nag. W.C. LEMANIACE^ Lemania fluviatilis, C. Ag. Sacheria mammillosa, Sirod. Penzance HELMINTHOCLADIACE^: Batrachospermum *DilIenii, Bory. Pen- zance, Bodmin moniliforme, Roth. Bodmin, Ponsa- nooth
- pygmaeum, Sirod. W.C.
- *vagum, C. Ag. Balbiania *investiens, Sirod. Penzance Chantransia Hermann!, Desv. W.C. chalybea, Ktitz. compacta, Ralfs. pygmaea, Ktitz. Mawgan - Scotica, Ktitz. Mousehole HlLDENBRANDTIACEj'E Hildenbrandtia *rivularis, J. Ag. St. Knighton's Kieve, Bodmin PH^EOPHYCE^E PHJEOCAPSACEJE Phaeosphaera *gelatinosa, West & G. S. West. Tremethick Moor LICHENS (Licbenes] Few English counties can boast of so rich a lichen flora as Corn- wall, and few have been worked by so many good lichenologists. Half a century ago the Rev. T. Salwey and the Rev. F. Pentreath published a list of Cornish lichens in the second volume of the 'Transactions of the Penzance Natural History and Antiquarian Society. The celebrated botanist Mr. W. Borrer frequently joined Dr. Ralfs and the Rev. T. Salwey in rambles after rare species. In 1880 a more complete list of the lichens 98
