FLORAS OF THE WORLD—PART II 85 
Topography, geology, general features of vegetation, climate, phenology; 
briefly annotated list of vascular plants and Characeae (580 species, of 
which 574 are vascular), bryophytes, lichens, and a few Hymenomycetes.— 
See also his Additamentum ad Conspectum ... Notiser Sallsk. Fauna et 
Flora Fenn. Foérhandl. 2: 203-224. 1852. (Brings total to 584 vascular 
plants.)—Also Saelan, Thiodolf. Nagra sallsynta vaxter observerade under 
en exkursion till Sdérnas lastageplats vid Helsingfors i bérjan af Oktober 
1878. Meddel. Soc. Fauna et Flora Fenn. 5: 251-252. 1878. (Annotated 
list of about 20 weedy plants.)—-Also Brenner, Magnus. Inom Helsingfors 
stads omrade forstérda vaxtlokaler. lc. 31: 12-14. 1906. (Changes in the 
flora of the Brunnspark in the city.)—Also his Férandringar i Helsingfors 
stads flora. le. 31: 117-1385. 1906. (Changes in environment and flora, 
especially since 1852.)—-Also his Naturskévlingen pa Sandviksholmarna vid 
Helsingfors och dess inverkan pa vegetationen. l.c. 47: 23-30. 1921. 
(Further changes in vegetation due to destruction of natural habitats.)— 
Also Uivinen, Arvi. Kasvistollisia tutkimuksia Santahaminassa. [Floristic 
studies in Santahamina.] l.c. 47: 40-42. 1921. (Relates mainly to weeds 
from the Russian army camp on the island.)—-Also Hidén (later Hiitonen), 
Ilmari. Tietoja Suomenlinnan kasvistosta. [Notes on the flora of Suomen- 
linna (Sveaborg).] le. 47: 67-71. 1921. (Includes mention of numerous 
species, especially weeds, from the military area Suomenlinna.)—Also Lin- 
kola, Kaarlo. Zur kenntnis der iiberwinterung der unkrauter und ruderal- 
pflanzen in der gegend von Helsingfors. (Havaintoja rikkaruohojen ja 
ruderatikasvien talvehtimisesta Helsingin seudulla.) Annales Soc. Zool.-Bot. 
Fenn. Vanamo 1: 91-228. 25 fig. 1922. (Detailed study of the methods 
of overwintering of weeds and ruderal plants, including (p. 199-221) an- 
notated list of 1383 species; bibliography.)—-Also Puolanne, Miele. Kas- 
vil6yt6ja Helsingin alueelta. [Plant finds in the Helsinki region.] Memo. 
Soc. Fauna et Flora Fenn, 1: 93-94. ° 1927. (Records of 7 species.)—Also 
Pettersson, Bror. Ferns and flowering plants on erratic blocks with special 
reference to their modes of dispersal. l.c. 6: 25-47. 8 fig. 1930. (Dis- 
cussion of 43 vascular plants found growing on granitic or gneissic erratic 
blocks in Kallvik (Helsinge [Helsinki] parish), with list of the flora of the 
neighborhood; bibliography of works on European epiphytes and plants 
growing on buildings, erratic blocks, etc.)—-Also Puolanne, M. Helsingin ja 
sen ]lahiseudun kasvisto. 1. Taraxacumlajit. (Die flora von Helsinki nebst 
umgebung. 1. Die Taraxacum-arten.) l.c. 8: 186-181. 1933. (Descriptive 
treatment of the 93 species found in the Helsinki region, with local and 
general range.)—-Also Pettersson, Bror. A case of long distance dispersal 
of plants through the import of timber. Acta Phytogeog. Suecica 13: 96- 
100. 1940. (List of 163 species found in a sawmill yard at Drumso, 
brought in on-timber from Poland, with discussion.)—Also Erkame, Viljo. 
Uber die urspriingliche vegetation im stadtgebiet von Helsinki und ihr ver- 
schwinden. (Vorlaufige mitteilung.) Annales Bot. Soc. Zool.-Bot. Fenn. 
Vanamo 19 (Notul. Bot. 14): 27-33. 1 fig. (map). 1944. (Discussion of 
changes due to cultivation and of the residue of former forest; bibliog- 
raphy.)—Also his Beobachtungen iiber die mit deutschen truppen im jahre 
1944 nach Helsinki eingeschleppten pflanzenarten. l.c. 21 (Notul. Bot. 16): 
7-11. 1946. (List of 68 species, with discussion.)—-Also his Helsingin seudun 
kasviston tutkimisesta. (On the investigation concerning the flora of the 
district of Helsinki.) Arch. Soc. Zool. Bot. Fenn. Vanamo 1: 123-129. 1 
fig. (map). 1948. (Sketch of botanical explorations in vicinity of Helsinki; 
bibliography.)—-Also Pettersson, Bror. An alien flora on Drumsoé (Helsing- 
fors) introduced by cork bark imported from Morocco and Spain. Memo. 
Soc. Fauna et Flora Fenn. 27: 111-117. 1952. (List of 206 species of 
angiosperms observed in 1940 in a factory yard on Drumsé, Helsingfors, 
with discussion and bibliography.) 
Saelan, Thiodolf. Ofversigt af de i éstra Nyland vexande kotyledoneer 
och ormbunkar. Notiser Sallsk. Fauna et Flora Fenn. Forhandl. 4 (n.s., 1): 
9-77. 1858. (Also as Bidrag Finlands Naturkann., Etnog. och Statis. 3: 
9-77. 1859.) 
Botanical explorations, topography, geology, general features of flora; 
annotated list of vascular plants and Characeae (648 species, of which 642 
are vascular). Covers in general the region from Orimattila, Elima 
