THE MYCETOZOA OF SOUTH BEDS AND. NORTH HERTS. LE: 
1892, on decayed branches in Caddington. Wood. The plasmodium 
3 pale yellow, sometimes showing a greenish hue when creeping 
yver a lichen-covered surface. It occurs in anastomosing veins, 
iti everal 
Physarum calidris, which fully confirms Mr. Lister’s former determ1- 
nation of this a as pe from the very scanty material to 
which he previously had acces 
All the twenty-seven Phin enumerated for Heath near beetles 
were collected by Miss L. Bassett and. Miss G. List These 
gatherings a the rare British species Dadhamia sahipincs and 
Reticularia Rozeana. The species in the following list marked C. C. 
were collected by Mr. C. Crouch, whose accurate and persistent 
e 
flowering and flowerless _ of S. Beds. The Hertfordshire 
species marked A. E.G. have been obtained by Mr. A. E. Gibbs 
F.L.S.; those marked H.E.S. yo Mr. H. E. Seebo hm. Nor 
should I omit to notice the efforts of my son, who has not only 
been successful in our joint exentsions, but also in those he has 
taken independently. ‘‘ Comm ” applies to both ene when 
no time of fruiting is named, the abide year is inten 
As a guarantee of accuracy in naming, it need vet be said that 
all specimens on which a record is based have been examined by 
Mr. A. Lister, or by his daughter, Miss G. Lister, to both of whom 
my thanks are due for their valuable assistance. Mr. Lister has 
also kindly read this aire in MS., and has added one or two 
localities. Voucher specimens of most t of wee rarer forms have 
been Gioaced for the British Museum Herbariu 
Ceratium hydnoides A. & 8. gona Herts. 
Physarum poe OPES (Fr.). 
P. nutans Pers. (Tilmadoche ins > ak ). Luton Hoo, Beds ; 
Hitchin and Gadaaipiot Herts. 
P, viride Pers. (Tilmadoche mutabilis Rost.). Heath, Stopsley, 
Luton Hoo, Beds; Kensworth, Herts. 
P. compressum A. S. Luton Hoo; Hitchin Soren and 
piaemodicene forms from dirty white plasmodium, H. E. 
P. calidris List. Very rare. (See Journ. Bot. 1891, " 258). 
‘ ting in summer. 
Craterium vulgare Dit, Heath, stone pie are Beds. ; 
Hitchin, Herts. Fruiting in summer autu 
C. leucocephalum (Pers.) Rost. Pappewiodk: “Pottery, Beds. 
Fruiting in autumn. 
Leocarpus fragilis (Dicks.) ripe eens ani pee: and Peppet- 
stock Woods. Fruiting in summer and autum1 
Fuligo septica (Link) Gmel. Kitchen tind (C. C.), Luton Hoo, 
Beds. 
