238 Floristik und Systematik d. Phaner. — Agricultur etc. 



Webb is a variety of 5. puberula ; S. Preauxii was not seen by the 

 author, but seems to be near 5. piiherida. Short diagnoses of the 

 species, etc. are added, arranged in a dichotomous key. 



F. E. Fritsch. 



Turner, F., Botany of North-Eastern New South Wales. (Pro- 

 ceedings of the Linnean Society of New South Wales for the year 

 1906. Vol. XXXI. Part 2. N<'. 122. p. 365-392. 1906.) 



The district dealt with in this paper is that lying between the 

 Macpherson Range and the parallel 32^ S, and between the 

 South Pacific Ocean and the meridian 152° 20' E. The principal 

 soils are volcanic, alluvial, clayey and sandy; they are often of 

 great depth and very fertile. The mean temperature at Grafton is 

 68.5° F. and the average rainfall 53-' /^ inches. The Vegetation is serai^ 

 tropical and more indigenous plants are found than on any other 

 area of similar size in New South V\^ales. Much of the arboreal 

 Vegetation is festooned with immense flowering climbers and epi- 

 phytic Orchids and Ferns are abundant, while the ground in the 

 forests is carpeted with a great variety of terrestrial ferns; more 

 than two hundred epiphytes were counted on a large specimen of 

 Ficus -macvophylla Desf. Climbing ferns and tree ferns are also 

 abundant in many places. There are only a limited number of Palm- 

 species, but they sometimes grow into miniature forests. In other 

 parts there are magniticent forests of various kinds of trees. At some 

 points heaths covered with dwarf Vegetation occur. The main body 

 of the paper is taken up with a description of the noteworthy Orders, 

 genera and species, for details of which reference must be made to 

 the original. The following genera are newly recorded for New 

 South Wales: Anisorneles, DissiUavia, Herniandia , Hygrophüa, 

 Melodinus, Tetranthera , Geodorum and Ceratopteris. There are 55 

 new records of species , the number of indigenous species for the 

 colony now amounting to 3314. F. E. Fritsch. 



Williams, F. N., On the genus Clarkella {Ruhiaceae). (Journal of 

 Botany. Vol. XLIV. W. 527. p. 377—379. November, 1906.) 



Clarkella was founded by Sir J. D. Hooker on Ophiorrhiza nana, 

 its systematic position being between Silvianthns Hook. f. and Argo- 

 stemma Wall. The author gives a Latin description of the genus and 

 its one species (C. nana Hook, f ) drawn up from the authentic mate- 

 rial in the herbarium at Kew. Clarkella is most nearly allied to 

 Argostemma humile J. J. Bennett and A. Khasianum C. B. Clarke, 

 but differs in its obconical, indehiscent fruit, its terminal bracteate 

 cyme, its Short style with two filiform arms and its clavate embryo. 



F. E. Fritsch. 



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