References
- Huj. op. ser. , ii 488 – 488 . Contrib. Bot. i. 77, pl. 12. figs. 25–28.
- In Retzia , i 152 – 152 . Walp. Ann. iv. 431
- A figure of this plant, with analytical details, will be given in the Contributions ii Plate 67 a
- This variety, with analytical details, will be represented in the Cuntributions ii Plate 67 b
- A drawing of this plant will be given in the Contributions ii Plate 70