Arboretum committee & signs of spring

Click on the images to see them full size.  Kitty Katzell sent these five images with this message:
"This morning, I went to the quarterly meeting of the Estaugh Arboretum Committee. Pictures 1 and 2 show people at the meeting in the Nature Center. I walked home from the Nature Center via Medford Leas Way and Medford Leas Way Extention, past Parking Lot B, and into Court 4 from Parking Lot A. Picture 3 shows the only daffodils I saw in flower along that entire route. After I turned onto Medford Leas Way Extension, I walked around the circle in the Memorial Garden, where I took Picture 5.  The leaves around it resemble the leaves on a rhododendron, but the flowers were unfamiliar, and very low to the ground.  [Deb Lux's comment says they are HELLEBORUS; she planted them about 6 years ago.]  At Parking Lot B, a Magnolia tree's buds were bursting, and that's Picture 4."

#1

#2

#4

#3

#5 - Please leave a comment if you can ID this plant.