LICHENS COLLECTED ON AN ALASKA HIGHWAY EXPEDITION IN ALASKA AND CANADA

A total of 622 species and 10 subspecies and varieties of lichens, plu s six species of lichenicolous fungi, are reported from Alaska, the Yu kon, British Columbia, and Alberta, mainly along the Alaska Highway an d some of its side roads in lichenologically badly known regions. Anap tychia bryorum is new to the North American Arctic, Gongylia nadvornik ii, Lichenodium sirosiphoideum and Stereocaulon capitellatum are new t o North America, and Degelia plumbea is new to western North America. Verrucaria lobata Thomson sp. nov. is described from British Columbia. New to Alaska are: Acarospora superfusa, Amygdalaria subdissentiens, Aspicilia karelica, A. quartzitica, Bacidia herbarum, Brigantiaea fusc olutea, Bryonora curvescens, Bryoria friabilis, Calicium abietinum, Ca loplaca borealis, C. ammiospila, C. sinapisperma, Chaenotheca xyloxena , Cladonia macroceras, C. ochrochlora, Collema crispum, C. curtisporum , Cyphelium tigillare, Graphis scripta, Heterodermia speciosa, Hypocen omyce scalaris, Hypogymnia occidentalis, Lecanora fuscescens, Lecidea erythrophaea, L. leptoboloides, L. lulensis, L. stenotera, Leprocaulon subalbicans, Leptogium cyanescens, L. teretiuscula, Melanelia soredia ta, M. tominii, Nephroma helveticum subsp. sipeanum, Parmelia hygrophi la, Parmeliella triptophylla, Pertusaria borealis, Phylliscum tenue, P hyscia subtilis, Psora lurida, Psorotichia schaereri, Pyrenopsis polyc occa, Usnea filipendula, U. wasmuthii, Verrucaria funckii, Xanthoparme lia somloensis. New to Alberta are: Biatora cameoalbida, Bryoria capil laris, Candelariella lutella, C. xanthostigma, Collema furfuraceum, Le cania dubitans, Lecidea albohyalina, L. myriocarpella, Phaeophyscia ce mohorskyi, P. hispidula, Ramalina obtusata, Rinodina oregona. New to B ritish Columbia are: Acarospora smaragdula, A. veronensis, Actinogyra muehlenbergii, Adelolechia pilati, Arthrorhaphis alpina, Aspicilia ans eris, A. caesiopruinosa, A. disserpens, A. fimbriata, A. ryrkaipiae, A . subplicigera, Baeomyces roseus, Biatora cameoalbida, Bryocaulon dive rgens, Bryonora castanea, Caloplaca ammiospila, C. tetraspora, Catapyr enium cinereum, C. compactum, Cladonia thomsonii, Collema glebulentum, Kiliasia athallina, Lecidea alpestris, Leciophysma finmarkicum, Lepra ria lobificans, Micarea crassipes, Pertusaria alaskensis, P. coriacea, P. gyalectina, Phaeophyscia hirtella, Polyblastia obsoleta, P. terres tris, P. theleodes, Rhizocarpon eupetraeum, R. eupetraeoides, P. umbil icatum fo. pseudospeireum, Rinodina occidentalis, Staurothele drummond ii, Thelidium absconditum, Toninia tristis, Usnea angulata, U. capitat a, Verrucaria devergens, V. rupestris. New to Yukon are: Actinogyra mu ehlenbergii, Amygdalaria panaeola, Aspicilia aliena, A. cingulata, A. disserpens, A. heteroplaca, A. ryrkaipiae, A. subplicigera, Bryonora c astanea, Bryoria trichodes subsp. americana, Buellia elegans, Calicium viride, Caloplaca crenularia, C. discolor, C. invadens, C. nivalis, C . pyracea, Candelariella athallina, C. dispersa, C. lutella, Cetraria californica, Cladonia alaskana, C. bacilliformis, C. borealis, C. lute oalba, C. sulphurina, Collema crispum, Dermatocarpon intestiniforme, D . miniatum, Ephebe hispidula, Lecanora atrosulphurea, L. boligera, L. gangaleoides, L. intricata, L. straminea, L. strobilina, Lecidea alpes tris, L. lapicida fo. ochracea, L. subcandida, Lecidella carpathica, L . elaeochroma, L. wulfenii, Lepraria caesioalba, Leproloma cacuminum, Leptogium tenuissimum, Melanelia infumata, Micarea peliocarpa, Parmeli ella arctophila, Peltigera kristinssonii, Polyblastia sendtneri, Psilo lechia lucida, Psorotichia schaereri, Rhizocarpon alpicola, R. cinereo nigrum, Rinodina bischoffii, Squamarina lentigera, Staurothele elenkin ii, Stereocaulon saxatile.