Vol. 7 December, 1907 No. 12 



TORREYA 



A Monthly Journal of Botanical Notes and News 



EDITED FOR 



THE TORREY botanical CLUB 



JvIARSHALL AVERY HOWE and PHILIP DOWELL 



w >^ 



JOHN TORREV, 1796-1873 



CONTENTS 



Leucolejeunea, a new Genus of Hepaticae : Alexander W. Evans ,. 225 



An undescribed Heliconia in the New York Botanical Garden : Robert F. 



Griggs 230 



The Genus Shortia : Homer Doliver House 233 ^ 



Crataegus in New Mexico : W. W. Eggleston 235;/ 



Reviews : 



Punnett's Mendelism : C. Stuart Gager 236 



Proceedings of the Club 237 



News Items 244 



Index 245 



PUBI.ISHED FOR THE ClUB 



At 41 North Queen Street, Lancaster, Pa. 

 BY The New Era Printing Company 



[Entered at the Post Office at Lancaster, Pa., as second-class matter] 



