Experiment Station Record, Volume 92, January-June, 1945 Page: 180
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180 EXPERIMENT STATION RECORD [Vol. 92
the cells subtending the conidiophores. Phialides were uninucleate. The anastomosing
of hyphae and spores in multiple spore transfers assures a combining
of factors and heterokaryosis as spores with nuclei of different origins are brought
The yeast Nadsonia in America, J. N. COUCH (Jour. Elisha Mitchell Sci. Soc.,
60 (1944), No. 1, pp. 11-16, illus. 22).-A yeast isolated from the slime of a birch
stump in North Carolina was identified as N. fulvescens-apparently the first
record of this genus outside of Europe. Heterogamic conjugation, ascus formation,
and the occurrence of asporogenous races are described.
The ferns and fern allies of Virginia, A. B. MASSEY (Va. Polytech. Inst. Bul.,
37 (1944), No. 7, pp. 110+, illus. 21).-In addition to the annotated catalogincluding
localities (pp. 34-97), this popular manual includes a key to the species,
a check list of Latin and common names, and brief consideration of the structure
of the group, the fern garden, and fern herbaria. There are 24 literature references.
List of the flowering plants, ferns, clubmosses, mosses, and liverworts of
Manitoba, C. W. LOWE ([Winnipeg?]: Nat. Hist. Soc. Manitoba, 1943, pp. 110,
illus. 2).-An annotated list from ferns to composites arranged according to systematic
plant groups, with supplementary lists of "plants which may be expected in
Manitoba" and of mosses and liverworts, and an index to plant families.
Aquatic plants of the United States, W. C. MUENSCHER. (Cornell Univ.).
(Ithaca, N. Y.: Comstock Pub. Co., 1944, pp. 374+, illus. 554).--Aquatic plants
as interpreted in this manual are those which normally start in water and must
grow for at least a part of their life cycle in water-either completely submersed
or emersed; a few border-line species of bogs and marshes are also included.
Woody plants are omitted, none being true aquatics. The general plan of the
volume includes a key to the families with aquatic species, followed by a more
detailed treatment of the several families; for each family there is a brief description,
a key to the genera whenever more than one is discussed, a description
of each genus, a key to the aquatic species in each genus containing more than
one, and a statement of the general habitat and range of each species. Most of
the species are illustrated and accompanied by maps indicating known distributions
by States. A glossary and a subject index are provided.
Studies in Ohio floristics.-III, Vegetation of Ohio prairies, C. H. JONES.
(Ohio State Univ.). (Bul. Torrey Bot. Club., 71 (1944), No. 5, pp. 536-548, illus.
5).-The main purpose of this paper in the series1 "is to present a list of the plants
which occurred on the prairie areas of Ohio at the time of settlement." These
central Ohio areas consisted for the most part of, a complicated mosaic of grasslands
interlaced with tree-bordered streams, swamp forests, swales, and isolated
prairie groves on some of the better-drained sites. Between these outliers of the
true prairie of the interior lowland and the forests of the plateau, there existed an
irregular discontinuous zone of small areas populated with prairie grasses and with
forbs of the deciduous forest. The list presented of plants believed to be representative
of the species characteristic of Ohio's prairies consists of Andropogon
furcatus, A. scopa'ius, Sorghastrum nutans, and Spartina michauxiana as dominants
and some 103 species as subdominants. Other lists include plants frequently
associated with these prairie dominants at the edge of forests and on over-exposed
and over-drained areas; plants of general distribution frequently occuring in these
prairie areas; and trees and shrubs often bordering dry prairie areas or occurring
as scattered specimens. Some eight factors which have influenced the present-day
vegetation cover of many of the formerly cultivated and now abandoned tracts are
enumerated and discussed. Two plant successions representative of the vegetation
1Amer. Midland Nat., 26 (1941), No. 3, pp. 674-689, illus. 4.
Castanea, 8 (1943), No. 5-6, pp. 81-108.
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U.S. Department of Agriculture. Agricultural Research Administration. Office of Experiment Stations. Experiment Station Record, Volume 92, January-June, 1945, book, 1947; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc5064/m1/193/: accessed September 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.