References
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- 1876 . Journ. Linn. Soc. , xii : 251 – 251 .
- 1876 . Journ. Linn. Soc. , xii : 272 – 272 .
- 1878 . Ann. & Mag. Nat. Hist. , i March ser. 5
- 1876 . Journ. Linn. Soc. , xii : 273 – 273 . (Pericladium bidentatum), pl. xx. fig. 2
- Allman . 1876 . Journ. Linn. Sic. , xii : 273 – 273 . fig. 1, and my fig. 11, Pl. XVI
- Allman . 1876 . Journ. Soc. , xii : 264 – 264 . pl. xiv. figs. 3–7