THE BRYOLOGIST 



Vol. XX 



March, 1917 



No. 2 



NOTES ON NORTH AMERICAN HEPATICAE. VII* 



Alexander W. Evans 



(with plate 11) 



Of the ten species noted in the present paper five represent additions to the 

 flora of North America, north of Mexico. Four of these additions, including 

 .a species of Cololejeunea proposed as new, were found in Florida; the fifth was 

 found in Wisconsin and British Columbia. Two other species which are in- 

 cluded have recently been reported as American by other writers. Of the three 

 remaining species one is introduced for nomenclatorial reasons and the other 

 two to record extensions of range. 



1. Plagiochasma intermedium Lindenb. & Gottsche. Aitonia japonica 

 Steph. Bull. Herb. Boissier 5: 54. 1897. Plagiochasma japdnicum Massal. 

 Mem. Accad. Verona 73: 47. 1897. 



In the writer's recent revision of the North American species of Plagiochasma} 

 specimens from Japan are listed under P. intermedium, and the identity of P. 

 japonicum with the North American species is claimed. Through an unfortunate 

 oversight, however, the Asiatic species was not formally listed among the syn- 

 onyms of P. intermedium. It is not possible to record any additional stations 

 for the species at the present time. 



2. Plagiochasma Wrightii Sulliv. 



Collected in March, 19 15, in the Arbuckle Mountains, near Davis, Okla- 

 homa, on dry travertine formations, by W. H. Emig (No. 1030). A noteworthy 

 extension of range. Formerly known from one station in Texas, one in Arizona, 

 and four in Mexico.^ 



3. Bucegia romanica Radian, Bull. Herb. Inst. Bot. Bucarest 3-4. 1903. 



The discovery of this remarkable liverwort by A. H. Brinkman was an- 

 nounced by Miss Haynes" over a year ago. His specimens were collected in the 

 following localities, altitudes 7200-8800 feet: Willock Mountain and Mt. Bos- 

 worth, near Stephen, Alberta, July, 19 13 (Nos. 792 and 822); Long Lake, south 

 of Pharaoh, Alberta, August, 1915 (No. 983); Cathedral Mountain, Hector, 

 British Columbia, July, 19 13 (Nos. 810, 8it and 812). They are unfortunately 



* Contribution from the Osborn Botanical Laboratory. 



1 BulL Torrey Club 43: 259-308. f. 1-8. 1915- 



2 See Evans. I. c. 295. igiS- 



3 BRYOLOGIST 18: 93, 94. /. I. 1915- 



The January number of the Bryologist was published February 10, 1917. 



