418 RIKARD STERXKR 



3 1. \ II. 1916. - — 6. D:o Bbda Getter uiii : 9 m'. The western slope of a »grey 

 dune» ; inclin. about 10". The ground bare in about a (quarter of the area. 7. Mil. 

 1 916. — 7. D:o Bredsdtra : 9 m-. On the western gently-sloping side of the sandy 

 Litorina shore-deposit. Vegetation almost close. ly.M. iqi8. — 8. Gotland: Vam- 

 blingbo Lingsan^e : 9 m^. On the almost level top of the broad Ancylus shore-deposit; 

 vegetation close. Soil-profile: a 12 — 15 cm. dark-brown sand mixed with humus; I) 

 20 cm. and more sandy gravel with numerous mollusc-shells. 9. \'l. 1917. — 9. D:o 

 Siindre Aiistre: 9 m'. Almost level ground. 9. VI. 191 7. — 10. Skdiie: Snogcholm. 

 Accord, to Samuelsson 19 10, pp. 38 ff.: a drift sand district; in a zone with character 

 of a » pine-heath » (with abundant Cladinae and Cladoniae) between a pine-forest rich 

 in herbs and a Psamma-association. 



TABLE 5. 



I. Upplaiid: fdrldsa Bredsjo : 10 s([uares, each i m-, situated in different places in 

 the edges of l)ir( h-aspcn-woods close to cultivated marsh-ground. 7. X. 1920. 



The areas 1 — 9 are all the size of i m-. 



1. Snidland: Tingsds Djitramdla: Birch-aspen-wood on a dry slope facing a lake. 

 7. VIII. 19 19. — 2. D.o Misterhidt Jdmserum: The edge of an oak-limetrec-wood 

 close to the shore of a lake. 20. VI. 1920. • — 3. D:o Tryserum jFdge/vt^ : Sparse oak- 

 wood on the slope of a moraine hillock. 27. \ II. 1920. — 4. Ostergotland: Bdrmm 

 Passdal: Like nr 3. 30. \'1I. 1920. — • 5. Sodermaulmid : Kjida Nastorp : Sparse wood 

 of oaks, birches and aspens on a moraine hillock dose to a marsh. 5. IX. 1921. — 6. 

 Uppland: Knivsta J^d: Birch-aspen-wood on the sloping transition zone between a 

 moraine rich in boulders and a clay-field. 23. IX. 1919. — 7. D:o Jtnnkil Bolandet: 

 Sparse birch-aspen-wood close to a marsh. 3. X. 1920. — S. Si/idland: Dddesjo Bo/dii: 

 very sparse birch wood (to great extent, of course, thinned by the hand of man) on 

 the southerly exposed slope of a hill close to a peat-bog. 11. Nil. 1920. — 9. D:o 

 Morlunda Kdngsebo : The north-western slope of an os with a very sparse wood of 

 birches, pines and oaks, facing a marsh. 16. \'l!. 192 1. 



TABLE 6. 



1 and 2. Oland: Ventlinge at the ChiDrh-village : The vegetation covered an area of 

 two har or so in the edge of the Alvar on rather damp but shallow soil. 20. \TII. 

 19 1 9. — 3 and 4. I):o Kastlosa Pendsa Alvar: At the top of a small hummock. [Those 

 small hummocks, 2 — 5 dm. in height, are characteristic of certain parts of the Alvar. 

 Probably, they are chiefly c aused by the ground being heaved up by the freezing of 

 the water included in the marly, shallow soil.] 3. X. 1920. 



TABLE 7. 



All S(|uares are from the Alvar of S. Oland. The analyses were made at the be- 

 ginning of June 1918 (cf. p. 329). 



