king--it is good to know that! i've been looking up the references you mentioned earlier, and thank you for that too. the orchids i have are my first set and i would really hate to lose them to my misinterpreting symptoms!! thank you for your help and i will pull that oxalis!
rolando--"150"!!?? you can be sure i will "ask away"!! and thank you again! i'm collecting cattleyas also--