366 Wisconsin Academy of Sciences, Arts, and Letters. 
Stevenson reports 12 species of Lentinns from the British Isles, 
Constantin and Dufonr recognize 14 species in France, Winter 17 
in Germany, and Britzelmayr collected 13 species in Bavaria. The 
species lepideus, tigrinus, adhaerens, cochleatus, flabelliformis, and 
ursinus or vulpinus are common to all these lists. TJrsinus and 
vulpinus are very closely related, and flabelliformis appears to be¬ 
long to the cochleatus group. The species in the lists not found 
in all the countries appear to be closely related to these principal 
species, except perhaps suavissimus or odorus, reported from 
France and Germany. There appear, therefore, to be six well 
marked groups of species of Lentinus in Europe the types of which 
are lepideus, tigrinus, adhaerens, suavissimus, cochleatus, and 
ur sinus. 
These are also the abundant and well known species in our re¬ 
gion. Here as in Europe, moreover, minor forms have been given 
specific names in each group: spretus, obconicus, and maximus 
in the lepideus group, umbilicatus % americanus, and piceinus in 
the cochleatus group, etc. These minor forms have not been identi¬ 
fied with the minor forms in the groups in Europe, though the 
close relationship of many, such as umbilicatus and omphalodes, has 
been noted. 
That the above mentioned are the common and well known spe¬ 
cies, and hence the proper species to give names to the groups in 
Europe and America, is also shown by the number of times they 
have been illustrated. According to Volume 21, of Saccardo’s 
Sylloge Fungorum, 89 of the over 200 described species of Len¬ 
tinus have been illustrated. Lentinus lepideus has been illustrated 
20 times, L. tigrinus 26 times, L. adhaerens 4 times, L. cochleatus 
21 times, and L. ursinus or vulpinus 10 times. Of the other species, 
L. flabelliformis, belonging to the cochleatus group, has been illus¬ 
trated 6 times, L. suffrutescens, a form of the lepideus group, 5 
times, L. dunalii, a form of L. tigrinus, and L. degener each 4 
times. 12 species have been illustrated 2 or 3 times apiece, and the 
remaining 66 only once each, usually by the author of the species. 
The only species commonly illustrated are lepideus, tigrinus, coch¬ 
leatus, and ursinus. Adhaerens, though usually reported in Eu¬ 
rope, has been figured only 4 times, and suavissimus or odorus ap¬ 
pears never to have been illustrated. 
Peck’s work in New York State is by far the most careful ex¬ 
amination of a local flora that has been made in this country. In 
his summary of New York species of Lentinus (Bulletin 131), he 
