Before tossing  my baby kale and radicchio salad, I decided to take a peek with a foldscope:


 <img alt="" class="size-medium wp-image-30416 gcloudimg" data-attachment-id="30416" data-comments-opened="1" data-image-meta='{"aperture":"2.2","credit":"","camera":"iPhone 6s","caption":"","created_timestamp":"1515744096","copyright":"","focal_length":"4.15","iso":"200","shutter_speed":"0.05","title":"","orientation":"1"}' data-image-title="" data-recalc-dims="1" height="300" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_30411/salad1.jpg" width="298"/>


 Here are some shots taken under different lighting and magnification:


 <img alt="salad 3" class="size-medium wp-image-30412 gcloudimg" data-attachment-id="30412" data-comments-opened="1" data-image-meta='{"aperture":"2.2","credit":"","camera":"iPhone 6s","caption":"","created_timestamp":"1515708123","copyright":"","focal_length":"4.15","iso":"500","shutter_speed":"0.066666666666667","title":"","orientation":"1"}' data-image-title="salad 3" data-recalc-dims="1" height="300" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_30411/salad-3.jpg" width="300"/>

<figure aria-describedby="caption-attachment-30415" class="wp-caption aligncenter" id="attachment_30415" style="width: 300px">
 <img alt="salad 6" class="size-medium wp-image-30415 gcloudimg" data-attachment-id="30415" data-comments-opened="1" data-image-meta='{"aperture":"2.2","credit":"","camera":"iPhone 6s","caption":"","created_timestamp":"1515708009","copyright":"","focal_length":"4.15","iso":"500","shutter_speed":"0.066666666666667","title":"","orientation":"1"}' data-image-title="salad 6" data-recalc-dims="1" height="300" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_30411/salad-6.jpg" width="300"/>
 <figcaption class="wp-caption-text" id="caption-attachment-30415">
 The stomata are prominent here.  As someone pointed out in my Instagram post, it is interesting that the cells containing the stomata have no color pigments. Any ideas?
 </figcaption>
</figure>

 <img alt="salad 5" class="size-medium wp-image-30414 gcloudimg" data-attachment-id="30414" data-comments-opened="1" data-image-meta='{"aperture":"2.2","credit":"","camera":"iPhone 6s","caption":"","created_timestamp":"1515708123","copyright":"","focal_length":"4.15","iso":"500","shutter_speed":"0.066666666666667","title":"","orientation":"6"}' data-image-title="salad 5" data-recalc-dims="1" height="225" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_30411/salad-5.jpg" width="300"/>


 <img alt="salad2" class="size-medium wp-image-30417 gcloudimg" data-attachment-id="30417" data-comments-opened="1" data-image-meta='{"aperture":"2.2","credit":"","camera":"iPhone 6s","caption":"","created_timestamp":"1515708181","copyright":"","focal_length":"4.15","iso":"640","shutter_speed":"0.066666666666667","title":"","orientation":"6"}' data-image-title="salad2" data-recalc-dims="1" height="225" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_30411/salad2.jpg" width="300"/>


 <img alt="salad 4" class="size-medium wp-image-30413 gcloudimg" data-attachment-id="30413" data-comments-opened="1" data-image-meta='{"aperture":"2.2","credit":"","camera":"iPhone 6s","caption":"","created_timestamp":"1515707093","copyright":"","focal_length":"4.15","iso":"400","shutter_speed":"0.066666666666667","title":"","orientation":"6"}' data-image-title="salad 4" data-recalc-dims="1" height="225" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_30411/salad-4.jpg" width="300"/>

Close-up view of salad greens (& purplish reds)

Dom

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