418 RIKAR D STERNER 



31. VII. 1916. — 6. D:o Boda GetteruDi : g m-. The western slope of a »grey 

 dune»; inclin. about 10°. The ground bare in about a quarter of the area. 7. VIII. 

 1 9 16. — 7. D:o Bredsdtia: 9 m'. On the western gently-sloping side of the sandy 

 Litorina shore-deposit, ^^egetation almost close. 17. VI. 1918. — 8. Gotland: Vam- 

 blingbo LingsaiTe: 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; b 

 20 cm. and more sandy gravel with numerous mollusc-shells. 9. VI. 191 7. — 9. D.o 

 Sundre Aitstre : 9 m-. Almost level ground. 9. VI. 191 7. — 10. Skdne: Snogcholm. 

 Accord, to Samuelsson 1910, 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. Uppland: Jdrldsa Bredsjo : 10 squares, each i m^, situated in different places in 

 the edges of birch-aspen-woods close to cultivated marsh-ground. 7. X. 1920. 



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



1. Smdland: Tingsds Djiiravidla: Birch-aspen-wood on a dry slope facing a lake. 

 7. VIII. 1919. — 2. Do Misterhull Jdmserian : The edge of an oak-limetree-wood 

 close to the shore of a lake. 20. VI. 1920. — 3. D:o Trysenim Fdgelvik: Sparse oak- 

 wood on the slope of a moraine hillock. 27. \ 11. 1920. — 4. Ostergotland : Bdrrimi 

 Passdal: Like nr 3. 30. VII. 1920. — 5. Sodermanland : Kjtda Nastorp : Sparse wood 

 of oaks, birches and aspens on a moraine hillock close to a marsh. 5. IX. 192 i. — 6. 

 Uppland: Knivsta Vrd: Birch-aspen-wood on the sloping transition zone between a 

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

 Sparse birch-aspen-wood close to a marsh. 3. X. 1920. — 8. Smdland: Dddesjo Boldii: 

 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. VII. 1920. — 9. D:o 

 Morlnnda Kdiigsebo : The north-western slope of an os with a very sparse wood of 

 birches, pines and oaks, facing a marsh. 16. VII. 1921. 



TABLE 6. 



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

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

 19 1 9. — 3 and 4. D: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 caused by the ground being heaved up by the freezing of 

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



TABLE 7. 



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

 ginning of June 1 9 18 (cf. p. 329). 



