482 BOTANICAL GAZETTE [MAY 
Burt has monographed the genus Merulius in North America, recognizing 
40 species, 16 of which are described as new. In connection with the descrip- 
tion of each species, a full list of specimens examined is giv 
DEARNESS’ ~ described 38 new North American species al Ascomycetes, 
representing 28 genera. 
Evans’ has eee a new species of Lejeunea (L. minutiloba) occurring 
in Bermuda, Cuba, Porto Rico, and St. Thomas. 
FERNALD? has described a new willow (Salix Peasei) from the White 
Mountains of New Hampshire. It is a ‘‘depressed shrub”’ trailing on wet 
mossy banks at an altitude of 4300-4500 feet. 
GrBBs” in connection with a study of the Arfak Mountain region of New 
Guinea has included the descriptions of 90 new species by various authors. 
Among them are the following new genera: Gibbsia (Urticaceae), Idenburgia 
(Trimeniaceae), Poikilogyne (Melastomaceae), and Palmervandenbroekia (Aral- 
iceae). The new species are distributed as follows: Pteridophytes 7, Gym- 
55- 
Marre" has published descriptions of new or little known fungi of northern 
Africa. The contribution includes 41 new species, distributed as follows: 
Phycomycetes 2, Ascomycetes 12, Ustilaginales 6, Uredinales 4, Autobasidio- 
mycetes 4, Fungi Imperfecti 13. 
MERRILL” has published a second paper on the flora of Borneo, describing 
39 new species, and crediting about 25 additional ones to Borneo for the first 
time. The previous paper contained 48 new species and a new genus 
Rock’ has published a detailed account of the genus M te FER as repre- 
sented in Hawaii. He recognizes 4 species, the most remarkable being the 
polymorphous M. collina. In fact, the name is M. collina subsp. polymorpha, 
under which 8 varieties are described, and 3 forms of as many varieties. The 
species, therefore, is treated as a trinomial, the varieties bearing 4 names and 
6 Burt, Epwarp Ancus, Merulius in North America. Ann. Mo. Bot. Gard. 
4:305-362. pls. 20-22. 1917. 
7 DearNeEss, Joun, New or noteworthy North American Fungi. Mycologia 
9:345-304. 1917. 
§ Evans, ALEXANDER W., A new Lejeunea from Bermuda and the West Indies. 
Bull. Torr. Bot. Club 44:525-528. pl. 24. 1917 
9 FERNALD, M. L., A new alpine willow. Rhodois 19: 221-223. 
© Giss, L. S., A contribution to the phytogeography and res the Arfak 
Mountain, etc. London: Taylor and Francis. 1917. 
* Marre, R., Champignons Pte nouveaus on peu connus. Bull. Soc. 
Hist. Nat. de'l Abticnes du Nord 8:134—-200. 191 
7 Merritt, E. D., Contributions to our euitias of the flora of Borneo. Jour. 
Straits Branch R. A. Soc. no. 76. pp. 75-117. 1917 
3 Rock, JoserH F., The Ohia Lehua trees of Hawaii. Bot. Bull. 4, Board of 
Agric. and For. Hawaii. pp. 76. pls. 31. 1917 
