L'Illustration horticole : Gand, Belgium :Imprimerie et lithographie de F. et E. Gyselnyck,1854-1896. biodiversitylibrary.org/page/6678121
![Paphiopedilum hookerae (Rchb.f.) Stein [ Cypripedium hookerae Rchb.f.]](https://i.pinimg.com/originals/fc/b2/e1/fcb2e16aff5f4ad67437d417c28290cc.jpg)
![Leochilus majalis. Curtis’s Botanical Magazine, vol. 143 [ser. 4, vol. 13] (1917) [M. Smith]](https://i.pinimg.com/originals/56/37/eb/5637eb9dd50468ad6a20dcae225d34d3.jpg)
![Cattleya pumila [as Cattleya marginata] The Floral world and garden guide, vol. 17 (1874)](https://i.pinimg.com/originals/a8/fa/cc/a8facc213e2c87fc86fc3062986e90dc.png)
![Queen Cattleya. Cattleya dowiana. A particularly beautiful Cattleya. Flower petals and sepals are yellow. Lip is deep crimson purple, veined gold. L’ Illustration horticole, vol. 14 (1866) [P. Stroobant]](https://i.pinimg.com/originals/0f/c2/7f/0fc27ff96702299aa31f3428ba5f36f0.jpg)
