[b]St. Albert’s Church, Second Floor, Before Henry And Fleur Enter The Nursery[/b]
Fleur did indeed recognize the plants.
"Henry, zese plants, zey're your basic medicinal herbs, not great compared to modern medicine but still working wonders! zit'll take a few seconds, but I'll be able to grind zis into poweder that zat will help you feel much better"
Fleur smiled. There were three pots, each a different colour, one red, one blue, one green. 
"Now Henry, since zis is basic stuff, it won't be zas powerful on zits' own, so we have to..." Fleur plucked the leaves off the green and red plant and began to crush them in the palms of her hands. "Ze need to crush.... zem together. I've done zis many times before" She then finished. "Okay, now, this won't hurt, but im going to have to take off the bandage for a second. Fleur, carefully unraveled the bandage, revealing Henrys' wound. Using the rag that she had found, she spread the powder across it and placed it on his wound. She then proceeded with slowly wrapping the wound back up.
"Zare! You should veel better in no time" She smiled, happy that Henry would finally start to feel better. Before leaving she collected some of the blue plants' leaves as well, in case she needed them.

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[b]St. Albert’s Church, Second Floor, The Nursery[/b]
Fleur giggled a little. "Hehe, yes, I finally understand the riddle." Henry looked at her funny. She explained that the sheep, meant the sheep in the painting, the lion, referred to the bookends on the second shelf.
"The key must be in, or behind one of these books. The two started to search for the key. With great luck, they found the key.
"Tre Bein! Now we can get into ze office!" Smiling once more, Fleur was very pleased with herself. It also looked as if Henry was getting progressively better.