ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 73 



Waters, C. E. — Asplenium ebeneum proliferum. 



[A further note on this rare and neglected form.]. 



Rhodora, vi. (1904) p. 210. 

 Zeiller, R. — L'Hymenophyllum tunbridgense au Mondarrain (Basses-Pyrenees.) 

 (Hymenophyllum tunbridgense on the Mondarrain.) 



[This spedes has been re-found in Jan. 1904 in the same locality as indicated 

 by Darracq in 1846, and often since then denied.] 



Bull. Soc. Bot, France, li. (1904) p. 259. 



Bryophyta. 



Sphagna from the Environs of Paris.* — F. Camus has worked 

 out the various species of Sphagnum in the neighbourhood of Paris. 

 He gives a synoptical table of the characteristics of 18 species which 

 either do or should exist in that region. Then follows an account of 

 16 species found by himself or otherwise authenticated, with their 

 localities. The delimitation, grouping and nomenclature of the species 

 is based on the works of Russow and of Warnstorf. 



The same author records the occurrence of Sphagnum Russowii 

 Warnst. in the forest of Marly near Paris, where it is very rare and 

 apparently in process of extinction. He considers that this species and 

 S. Girgensohnii Russ., found in the forest of Montmorency, are two 

 survivors of an epoch in which the climate was much less cold than at 

 present. 



Easy Identification of Hepaticae.f — A. J. Grout publishes a pre- 

 liminary paper on the identification of hepaticas by means of a hand- 

 lens, and gives some similar keys to the families, genera, and some 

 twenty to thirty of the species found in the eastern United States. 

 These keys are applicable to the plants in the fresh state. He adds 

 some elementary information as to the external structure of hepatics, 

 and appeals for data as to the time of maturity of the spores in the 

 different species. 



Rare Scottish Hepaticse.J — S. M. Macvicar publishes critical notes 

 on the following species which appeared in his ' Census of Scottish 

 Hepaticre ' in a previous number of the same journal : MarsupeUa 

 olivacea Spruce (which proves to be a variety of Gymnomitrmm adustum 

 Nees), M. Sprucei (Limpr.), M. erythrorhiza (Limpr.), M. sphacelata 

 (Gries.), M. Jorgmsenii Schiffn., Lophozia Wenzelii (Nees), L. long idem 

 (Lindb.), Plagiochila exigua Tayl. This last species is shown to be 

 synonymous with P. tridenticulata Tayl., and with Hooker's Junger- 

 mannia spinulosa var. tridenticulata. 



Cincinnulus trichomanis.§ — I. Douin has had opportunities of 

 studying this not uncommon hepatic, the morphology of which has 

 hitherto been incorrectly described. The sporogonium is developed in 

 a curious subterranean fleshy pouch, the perigynium. Douin gives a 

 more thorough and detailed account of this pouch than has yet been 



* Bull. Soc. Bot. France, 1. (1903) pp. 165-8, 239-52, 272-289. 

 t Bryologist. vii. (1904) pp. 89-98. figs, in text, 

 t Ann. Scot. Nat. Hist., 1904. pp. 234-6. 

 § Rev. Bryol.. xxxi. (1904) pp. 10.5-16, tigs. 



