64 NINETEENTH ANNUAL REPORT ON THE STATE CABINET. 

 H. PULCHELLUM, DiclcS. 



Adirondack mountains, Lesqx. Helderberg mountains, about the 

 roots of an old stump Eare. 



Stems short, irregularly branched, radiculose at base; leaves sub- 

 secund, slightly curved, rather loosely imbricating, concave, lanceo- 

 late and oblong-lanceolate, narrowly acuminate, entire, ecostate, 

 with a narrow linear areolation; capsule oblong, slightly inclined; 

 operculum convex-conic; annulus composed of two rows of narrow 

 cells. A small species with delicate, shining, yellowish-green foliage. 



H. DENTICULATTJM, L. 



Ground in woods, base of small trees in low grounds, rocks on moun- 

 tains. Common. July, August. 

 H. MUHLENBECKii, Hartm. 



Ground and rotten wood in woods. Common. June, July. 



H. SULLIVANTI-ai, Schp. 



Humected rocks, Catskill mountains, also near Lake Gedrge, July, 

 Lesqx. Shawangunk mountains, C. F. Austin. 



O^jy'EiKB.^VA.TlGM— Liverworts, 



RICCIA, Mich. . 



R. NATANS, L. 



Stagnant pools. Brooklyn, (Torrey legit) C. F. Austin. Albany. 

 Not common. June. 



Var. TERRESTRis, Necs. 



Wet ground, borders of pools. With the preceding. Frond usually 

 fiomewhat stellately lobed; lobes linear, diverging; passes into the 

 typical form, C. F. Austin. 



R. lutescens, Schwein. 



Margins of pools, low muddy grounds. Common. Fruit unknown. 

 Sometimes found floating, late in autumn, in pools exsiccated dur- 

 ing summer. 



B. fluitans, L. 



Stagnant water, rocky rivulets. Not rare. Sterile. 



ANTHOCEROS, Mich. 



A. PUNCTATUS, L. 



Wet banks, moist ground in fields. Common. September. 



A. Lu^Vis, L. 



Wet ground and rocks in rivulets; common, Sept., 0. F. Austin. 



NOTOTHYLAS, Sullw. 



N. VALVATA, SuUiv. 



Damp ground in fields. Common. October. 



N. MELANOSPORA, SulUv. 



With Anthoceros punctatus and equally common, September, C. 

 F. Austin. 



