THE RARER ELEMENTS IN SOILS AND PLANTS. v4 
19. Lettuce—One-half mile west of Penn Square, Norristown, Pa. 
Soil, Penn silt loam. This sample was taken after the lettuce had 
grown. tall preparatory to seeding. 
20. Onions.——Bulbs only. Three miles east of Marlboro, N. H. 
Soil, Gloucester stony loam. It was impossible to dry this sample 
to constant weight. After 120 hours of drying at 105° there was 
still a loss in weight. 
21. Potatoes, Irish—Tubers only. Three miles east of Marlboro, 
N. H. Soil, Gloucester stony loam. Great care was taken to wash 
the depressions and eyes of the tubers free from soil. 
29. Potatoes, sweet—vVines. Three miles southwest of Laurin- 
burg, N.C. Soil, Norfolk sandy loam. These vines were young and 
had fleshy tips. 
23. Tobacco—One and three-fourths miles northeast of Archer, 
N.C. Soil, Durham sandy loam. The stalks were three and one-half 
feet high. It had not bloomed. 
24. Tomato.—Vines. Three miles southwest of Laurinburg, N. C. 
Soil, Durham sandy loam. The growth was rather small. Flowers 
and smali fruits had formed on the plant. 
GRASSES. 
25. Bluegrass —One-eighth mile west of Penn Square, Norristown, 
Pa. Soil, Penn silt loam. The growth was luxuriant. The samples 
taken were in seed. 
26. Broom sedge.—Three-fourths mile east of Kings Mountain 
Battleground, Bethany, S. C. Soil, York silt loam. Small shoots, 
not in bloom. 
27. Corn.—Stalks and leaves. Three miles southwest of Laurin- 
burg, N. C. Soil, Norfolk sandy loam. The plants were young and 
had reached a height of about 44 feet. 
28. Corn.—Stalks and leaves. Three-fourths mile east of Kings 
Mountain Battleground, Bethany, S. C. Soil, York silt loam. The 
growth was light. The plants were 2 feet high when cut. 
29. Oats—Straw with grain. One-half mile west of Penn Square, 
Norristown, Pa. Soil, Penn silt loam. Heavy yield. The grain was 
in the milk when cut. 
30. Orchard grass—One-half mile west of Penn Square, Norris- 
town, Pa. Soil, Penn silt loam. These plants had just seeded. 
31. Timothy— One-half mile west of Penn Square, Norristown, Pa. 
Soil, Penn silt loam. This sample was cut in bloom. 
32. Timothy.—One mile northwest of Conshohocken, Pa. Soil, 
Hagerstown loam. This sample was in bloom. 
33. Timothy.—Three miles east of Marlboro, N. H. Soil, Glou- 
cester stony loam. Large plants in late bloom. 
