FLORAS OF THE WORLD—PART II 437 
during the last 50 years; also (p. 311-363): “Bijlage. De flora der Noordzee- 
eilanden .. .,” a tabular list of known vascular plants of Texel, Vlieland, 
Terschelling, Ameland, Schiermonnikoog, Rottum, Borkum, Juist, Norderney, 
Baltrum, Langeroog, Spiekerooge, Wangerooge, Nordstrand, Pellworm, 
Hooge, Langenes, Oland, Apelland, Féhr, Amrum, Sylt, and Rom, indicating 
occurrence on each island. The islands listed, from Borkum to Sylt, in- 
clusive, including the East Frisian and part of the North Frisian Islands, are 
German; Rém (Romo) is Danish.—See also van Eeden, above. 
Local 
Kloos, A. W. Verslag van de excursie gehouden op Ameland op 26-31 
Augustus 1935. Nederl. Kruidk. Arch. 46: 328-339. 1936. 
Itinerary, etc.; alphabetical list of vascular plants; lists of additional 
species recorded by earlier investigators (total 527 taxa).—See also 
Koopmans-Forstmann, Dora, and Koopmans, A. N. Amelandse plantenna- 
men. Eee Kruidk. Arch. 46: 355-358. 1986. (List of local vernacular 
names. 
Verslag der excursie, gehouden op Schiermonnikoog op 28 Augus- 
tus 1926 en volgende dagen. Nederl. Kruidk. Arch. 1926: 7-17. 1927. 
Alphabetical list of 309 vascular plants; comparisons with earlier investi- 
gations of same island, with references to earlier publications, and list of 
additional species recorded. 
Nederlandsche Botanische Vereeniging. Lijst der planten waargenomen op 
Terschelling ... van 5-10 Augustus 1886. Nederl. Kruidk. Arch. II, 5: 
103-117. 1888. 
List of vascular and cellular plants, with localities. 
Schipper, W. W. De flora van het eiland Rottum. Nederl. Kruidk. Arch. 
III, 1: 358-875. 1898. 
Corrections of his preliminary paper with same title (l.c. 209-215. 1897); 
list of species that have disappeared since 1870, list of additions; unannotated 
list of vascular plants now occurring on Rottum (142 species and varieties); 
discussion of habitats, duration, etc. 
OVERIJSSEL 
See also Noord-Holland (van Goor, De halophyten en de submerse phanerogamen (der 
Zuiderzee); Venema, De houtige gewassen der eilanden van de voormalige Zuiderzee). 
Local 
Feekes, Willem. De flora van Schokland en Urk. Nederl. Kruidk. Arch. 
52: 79-112. 2 fig. (maps). 1942. 
Plant associations, changes in flora, brief bibliography, etc.; tabular lists 
of known vascular plants of Schokland and Urk (the latter in Noord-Holland), 
showing occurrence as recorded by various botanists at different dates. 
Both Schokland and Urk were formerly islands in the Zuiderzee, now parts 
of the Noordoost-polder. Replaces Swart, J. J. Over de flora van Urk en 
Schokland. (Mededeeling no. 1 van der Zuiderzeecommissie.) Nederl. 
Kruidk. Arch. 1929: 425-457. 1 fig. (map). 1930. (Botanical explorations, 
etc.; annotated list of phanerogams.)—See also Bakker, D., and Zweep, W. 
van der. De plantengroei van de Staart van Urk. Levende Nat. 53: 1-9. 
5 fig. (fig. 1, map). 1950. (Popular account; includes (p. 4) several species 
not previously reported.)—Also Venema, De houtige gewassen der eilanden 
van de voormalige Zuiderzee, under Noord-Holland. 
and Bakker, D. De ontwikkeling van de natuurlijke vegetatie in 
de Noordoostpolder. Van Zee tot Land no. 6. 92 p. 14 fig.,6 maps. 1954. 
_ Includes (p. 34-42) incomplete tabular list of vascular plants occurring 
in the Noordoostpolder and the bordering region, divided into 5 groups. 
Leeuw, W. C. de. Vollenhove. Verslag van de excursie der Ned. Botani- 
sche Vereeniging op 21 Juli 1928 en volgende dagen opgesteld in samenwer- 
king met de subcommissie voor het onderzoek van de flora der Zuiderzee. 
Nederl. Kruidk. Arch. 1929: 458-578. 3 fig. (maps), 2 pl. 1980. 
Mainly ecological; includes annotated tabular list of vascular plants (p. 
476-497), alphabetically arranged. 
