THE BRYOLOGIST 
V oi'.' XI I July 1909 No. 4 
LICHENS OF THE MOUNT riONADNOCK REGIONS, N. H. No. 4. 
(See BRYOLOGIST, XI, March and July, 1908, XII, March, 1909.) 
By ? R. Heber Howe, ] r. 
Genus: Physcia (DC., Fr.) Th. frjc 
54. Physcia speciosa (Wulf. , Ach.) Nyl. Five specimens thus labelled 
belong here. Three specimens first labelled “ Parmelia tribacia ,” 
and later corrected, also belong here. One fruited specimen, first 
labelled “ Physcia cassia v Stellata ,” later, corrected to “ speciosa ’’ 
is P. tribacia. 
55. Physcia hypoleuca (Muhl.) Tuck. Four fertile specimen thus labelled 
all belong here. 
56. Physcia aquila detonsa Tuck. Two specimens, one fertile, labelled 
thus, beloaghere. Also two specimens labelled “ aquila," one fertile 
specimen labelled “ Physcia ciliaris ,” one fertile specimen first 
labelled “ P crinita," but corrected to this, and two fertile unla- 
belled specimens. (Fitzwilliam, common). 
57. Physcia pulverulenta (Schreb.) Nyl. Three fertile specimens, thus 
labelled. Also one fertile specimen labelled '■'-Physcia aquila 
deto'isa," one fertile unlabelled specimen, and one sterile specimen 
labelled -'Par. saxatalis v. omphalodesp in which the cortical layer 
is distinctly parenchymatous is referable to the following: 
58. Phjscia pulverulenta leucoleiptes Tuck. One sterile specimen 
labelled thus belongs here. Five specimens, one labelled “ P. pul- 
verulenta one “ Physcia ulothrixp and one “ Physcia aquila , ' > 
appear to belong here, but are too small for sure determination. 
Also one specimen, sterile, first labelled “ Parmelia saxatilis 
omphalodesp but changed to “ PyxineP (Fitzwilliam, uncommon). 
Physcia Leana Tuck. One fertile specimen, thus labelled, seems to 
belong here though I have been unable to obtain specimens for com- 
parison. 
59. Physcia stellaris (L.) Tuck. Eight fertile specimens, labelled thus,. 
of which two may possibly be referable to the form aipola Nyl: also 
eight fertile unlabelled specimens. One specimen labelled “ Physcia 
squamosa ,” and one “ Physcia stellaris expa77saP later corrected to 
“ astroideaP both belong here Also one fertile specimen labelled 
“ Physcia obscuraP (Fitzwilliam, common). 
60. Physcia tribacia (Ach.) Tuck. Four fertile specimens, labelled thus, 
belong here. One sterile specimen labelled “ Speciosap also three 
unlabelled specimens, two fertile and one sterile, and three speci- 
mens, one fertile, labelled “ Physcia caesiaP “ Physcia astroideaP 
and “ Parmelia ambiguav. albescens.” 
The May BRYOLOGIST was issued May 1, 1909. 
