22 Transactions. 



Orchidaceae. 

 I had little opportunity of examining the plants of this family. 



78. * Oberonia Titania Lindl., M. 113. (= 0. palmicola F. v. M., M. 114: 



Titania miniata, E. 71.)" , 



Anson's Bay (Maiden). 

 Australia. Java. 



79. Dendrobium macropus Benth. & Hook.. M. 116. (= Tkelychiton 



macropus, E. 74.) 



Steel's Point and elsewhere. 

 Endemic. 



80. * Dendrobium brachypus Reichb., M. 115. ( — Tkelychiton brachypus 



Endl., E. 32.) 



Endemic. 



81. * Bulboohyllum argyropus Reichb., M. 117. (== Tkelychiton argyropus 



E. 72.) 



Endemic. 



82. Phreatia limenophylax (Endl.) Kranzl., M. 118. (= Plexaure limeno- 



phylax, E. 70.) 



Non Benth., Fl. Austral., vi, 290 ; neque Bailey, Queensl. Flora, 1542. f 



Epiphytic ; not uncommon. 



Endemic. 



83. * Microtis unifolia (Forst, f.) R. Br. (= M.porrifolia R. Br., M. 119.) 



Bullock's Hut (Maiden). 



Kermadecs, Lord Howe, New Zealand, Australia. 



DlCOTYLEDONE AE . 



Piperaceae. 



84. Macropiper excelsum (Forst. f.) Miq. var. psittacorum (Endl.) Laing 



comb. nov. (= Piper psittacorum Endl., E. 80 ; P. excelsum Forst., 

 M. 93 ; Macropiper excelsum var. major Cheeseman.) 



In the denser bush. 



Kermadecs, Lord Howe, New Zealand, and South Polynesia. 



Endlicher gave this plant specific rank ; Cheeseman reduced it to a 

 variety of M. excelsum. Endlicher' s specific name should be retained for 

 the varietal form. Maiden suggests that the typical form occurs on the 

 island. I did not see it, and do not think it can occur. 



85. Peperomia reflexa A. Dietr. var. aemula (Endl.) C. D.C., M. 94. 



(= Piper aemulum Endl., E. 77. f 



Common in darker bush, on rocks and trees. 



Lord Howe, Australia, New Zealand, and in most warm countries. 



f See " Das Pflanzenreich," iv, 50, ii, B. 23, p. 21, for a description of this species, 

 and comments on the erroneous identification of it with an Australian form of Bentham 

 and Bailey. 



