58 POLYPODIACEAE 



9. Lorinseria Presl. 

 1. L. areolata (L.) Presl. In swamps and moist soil: Me. to 



Fla., Tenn., La. and Ark., also in Mich. 



Conn. Not uncommon along the coast, decreasing inland and 

 perhaps wanting northward. 



N. Y. Common on L. I. and S. I., not certainly known elsewhere. 



N. J. Rare in Bergen, Essex, Morris (according to Macken- 

 zie), Union, Mercer and Somerset counties, increasing and 

 common southward, especially in the pine-barrens. 



Pa. Bucks and Delaware counties, mostly on Trenton gravels. 

 Tertiary, common: Cretaceous, common: Older Formations, 



scattered, increasing southward. 158-220 days. About sea level. 



10. Camptosorus Link. 

 I. C. rhizophyllus (L.) Link. In shaded situations; usually on 

 rocks: Que. to Minn., Ga., Ala. and Kan. 

 Conn. Throughout the state, but rare, increasing northwestward. 

 N. Y. From Westchester and Rockland counties, northward. 

 N. J. Union and Hunterdon counties, increasing northward. 

 Pa. Throughout the range. 



Tertiary, o: Cretaceous o: Older Formations, most common on 

 limestone, but found on a large variety of rocks and even on wood. 

 117-220 days. Sea level-3,900 ft. 



11. Asplenium L.* 



Blades pinnatifid or pinnate only below, the apices long-atten- 

 uate; stipe dark brownish below, green above; rachis green. 1. A. pinnaliMum. 

 Blades 1-3-pinnate, the apices not long attenuate. 

 Blades normally i-pinnate only. 



Stipe and rachis blackish, reddish or purplish-brown 

 throughout; sori medial or nearer the midvein. 

 Fertile leaves rigidly erect; pinnae more or less 



auriculate. 2. A. platyneuron. 



Fertile leaves spreading like the sterile; pinnae not 



auriculate. 3- A.. Trichomanes. 



Stipe dark only at the base, green above like the rachis; 



blades 12-25 dm. long. 4- A. pyenocarpon. 



Blades 2-3-pinnatifid. 



Stipe and rachis green throughout. 5. A. Ruta-muraria. 



Stipe dark brownish, at least towards the base. 



Stipe dark at base, greenish above; rachis green; 



blades deltoid-ovate to deltoid-lanceolate. 6. A . montanum. 



Stipe and lower rachis, at least, dark chestnut-brown. 



7. A. Bradleyi. 



* See Introduction paragraph 6. 



