20 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



have been found in the state. The first was discovered in 

 Canaan by Mr. J. S. Adam in Sept., 1876. Mr. Adam states 

 that the plant flourished there until 1891, then disappeared. 

 A second plant was found in the same town, but at a different 

 station, by Mr. C. K. Averill, in Aug., 1902. Both plants were 

 growing on shaded limestone ledges and with or near the 

 two supposed parent species, Asplenhim platyneuron and 

 Cainptosoriis rhizophyllns. 



Asplenium Trichomanes L. (ancient name for some fern). 

 Maidenhair Spleenwort. 



Shaded ledges. Rather rare along the coast, becoming 

 occasional or frequent northward. July. 



Asplenium platyneuron (L.) Oakes (broad-nerved) 



Asplenium eheneum Ait. 

 J Ebony Spleenwort. 

 - Frequent. Dry rocky ground, more often in half-shade. 



Aug. 



The var. serratum (E. S. Miller) BSP. (toothed) has 



been found at Middletown (Bissell), Milford (Eames & C. C. 



Godfrey), and Huntington (Eames). 



Asplenium montanum Willd. (of mountains). 

 Mountain Spleenwort. 



Rare. Crevices of dry, usually overhanging ledges : Scot- 

 land (G. Waldo), North Stonington (Fuller & W. E. Set- 

 chell, Graves), Franklin and East Haddam (Graves), Beacon 

 Falls (A. W. Evans), Salisbury (Mrs. C. S. Phelps). July. 



The last named station represents the northern limit of its 

 range as now known. 

 Asplenium Ruta-muraria L. (wall-rue). 

 Rue Spleenwort. 



Shaded ledges. Berlin (T. S. Brandegee), Southington 

 (Andrews), Granby (I. Holcomb), Sherman and New Mil- 

 ford (E. H. Austin) ; and occasional in the limestone district 

 of northwestern Connecticut. Not known from eastern dis- 

 tricts or near the coast. July. 



Asplenium angustifolium Michx. (narrow-leaved). 

 Narrow-leaved Spleenwort. 



Rare. Moist rich woods: Guilford (W. W. Denslow), 



