Dendrobium stuposum
orchid seeds
?Dendrobium stuposum, a perennial orchid native to Thailand. Long light-green leaves. White, small flowers like a lily.
Orchid seeds are very small almost like dust and therefore not really countable. The amount of seeds will be between 50 - 100+ 
?There are 4 methods of

sowing orchid seeds : 
1. Sowing the orchid seeds next to an orchid from the same genus
2. Sowing on a piece of bark
3. Sowing the orchid seeds using the so-called 'towel method'
4. Sowing over boiling water

All 4 procedures are described in detail on the website of the Orchid Forum:
Orchid Forum
price is for approx 50 seeds.