ZOOLOGY AND BOTANY, MICROSCOPY, ETC. 59 



North American Bryophytes. — W. C. Coker* records some rare 

 abnormalities in liverworts: 1. Aneura pinguis, with twin sporophytes 

 inclosed in a single calyptra. The calyptra the author shows to be the 

 product of the coalescence of two. 2. In the same species, an un- 

 fertilised archegonium which had, like the others, been carried up on 

 the calyptra of a young sporogonium, but which, unlike the others, had 

 undergone a fair amount of growth, possibly induced by a sympathetic 

 response to the vitalising influence of the adjoining sporophyte. 3. An 

 instance of fasciation in Preissia quadrata is figured, showing an arche- 

 goniophore of twice the normal width and forked near its apex. E. G. 

 Britton | briefly enumerates the Arctic mosses identified by K Bryhn 

 in the collections of Lieut. Peary in Grant Land (1902), and of L. J. 

 Wolf at Wrangle Bay, Lincoln Bay, and Grant Land (1906). In all 

 57 mosses and 5 hepatics. 



Hepaticse of New England.J-A. W. Evans publishes his seventh 

 chapter of notes on Xew England hepaticas. Therein he discusses eight 

 species, five of which are additions to the New England flora ; and the 

 remaining three, though previously recorded, required distinct confirma- 

 tion. He discusses the relationship of Metzgeria /areata to M. conjugate, 

 their anatomical resemblances and differences, and the taxonomic value 

 of the marginal gemma? in M. f areata. M. crossipilis he raises to 

 specific rank ; this species produces gemma? on the antical surface of 

 the thallus-wings. He insists upon the great taxonomic value of the 

 vertical bands of thickening in the walls of the median internal cells of 

 the thallus of Pellia Xeesiana, as distinguishing sterile plants of it 

 from those of P. Fabroniana (P. eniUvisefolia). Other species discussed 

 are Cephaloziella elachista, 0. Hampeana, Calgpogeia Neesiana, Scapaaia 

 glaucoepphala. 



Mexican Hepaticse.§ — F. Stephani publishes descriptions of nine 

 new species of hepaticre collected in Mexico by Pringle — viz. Anthoceros 

 Pringlei,A. turbinatus, Oh&ilolfjeuneafissistipula, Gyathodium mexicanum, 

 Fimbriaria Pringlei, Leiosegphus Priiigtei, Metzgeria breviseta, Radala 

 calcarata, Symphyogyna mexicana. 



Bolivian Mosses. || — R. S. Williams publishes a second paper on 

 Bolivian mosses. The first part appeared in 1903. The specimens 

 treated of were collected during the expedition of Martin Conway in 

 1901-2. The present part comprises nearly 200 species, and includes 

 descriptions of eighteen new species. 



New Philippine Mosses. If — V. F. Brotherus publishes descriptions 

 of eleven new species of Philippine mosses collected by A. I). E. Elmer 

 in Negros and Luzon. 



Mosses of New Guinea and the Moluccas.**— Th. Herzog gives 

 an account of two collections of mosses, one of fifteen species collected 



* Bryologist, xii. (1909) pp. 104-5 (figs.). t Tom. cit., p. 106. 



X Rhodora, xi. (1909) pp. 185-95. 

 § Rev. Bryolog., xxxvi. (1909) pp. 138-40. 

 || Bull. New York Bot. Garden, vi. (1909) pp. 227-61. 

 f Leaflets of Philippine Botany, Manila, ii. (1909) pp. 651-8. 

 ** Hedwigia, xlix. (1909) pp. 119-27 (pi.). 



