Flora and Fauna
- 3163
- Oxalidaceae
- Botanical characteristics of this family of plants with illustrations of Oxalis and Biophytum.
- 3165
- Oxalis acetosella
- Two photographs of the delicate flower of Wood Sorrel and a brief description of the plant.
- 3174
- Orobanchaceae
- Botanical characteristics of this family of parasitic plants lacking chlorophyll, with illustrations of several species.
- 3175
- Orobanche aegyptiaca
- Photograph, description, distribution, ecology and economic significance of Egyptian broomrape.
