. Dansk botanisk arkiv. Plants; Plants -- Denmark. 16 Dansk Botanisk Arkiv, Bd. 2. Nr. 8. Aizoaceæ. Trianthema crystallinum Vahl, Symbol. I (1790) 32 et in D. C. Prodr. III, 352; Benth. FL Austr. III (1866) 330. Of this variable species (or aggregate of species) a form with long, linear, semiterete leaves was found along the jetty at Derby (No. 1173, 7. Nov. 1914). Another form was collected in a dune depression at Port Hedland (No. 1152, 3. Nov. 1914); it has oblong-linear succulent leaves. (Both determined by Dr. 0. Paulsen). Trianthema turgidifolium F. v. Müll., Fragm. Phytogr. Austr. X (18
. Dansk botanisk arkiv. Plants; Plants -- Denmark. 16 Dansk Botanisk Arkiv, Bd. 2. Nr. 8. Aizoaceæ. Trianthema crystallinum Vahl, Symbol. I (1790) 32 et in D. C. Prodr. III, 352; Benth. FL Austr. III (1866) 330. Of this variable species (or aggregate of species) a form with long, linear, semiterete leaves was found along the jetty at Derby (No. 1173, 7. Nov. 1914). Another form was collected in a dune depression at Port Hedland (No. 1152, 3. Nov. 1914); it has oblong-linear succulent leaves. (Both determined by Dr. 0. Paulsen). Trianthema turgidifolium F. v. Müll., Fragm. Phytogr. Austr. X (1876) 83. This interesting succulent species was well described by F. v. Müller (1. c.) upon specimens collected "in plagis sinum Nichol's Bay versus" by M. Crouch. From the same area, Point Samson (near Cossack) I have brought home specimens (No. 1153, 2. Nov. 1914) which agree well with Mtiller's The leaves are very succulent, globose-clavate, downwards attenuated into a short petiole (see Fig. 4). The flower is whitish, sepals long-triangular, acute, stamens 10 with red-brown anthers, ovary nearly globose with one somewhat excentric filiform style; the membranous capsule contains several seeds (somewhat more than "circiter 5", as F. v. Müller says). The species has, as pointed out by F. v. Müller, a striking resemblance to small-leaved succulent forms of Sesuvium portulacaslrum, and I must admit that I think the two genera ought to be united, or Trianthema split up into several genera; the present delimitation at least is very arti- ficial and unsatisfactory. T. turgidifolium was found inside the mangrove in a salt-pan together with Frankeniæ and Salicorniæ. In F. v. Muller's 2nd Census (p. 52) the species is given for S. A., Q. and N. A., not for W. A., but there must be some mis- take here (printer's error ?) as Nichols Bay is in W. A., and it is doubtful if the species has been recorded from other states. Menispermaceæ. Tinospora sm
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