64 NINETEENTH ANNUAL REPORT ON THE STATE CABINET. 

 H. PULCHELLUM, Dicks. 



Adirondack mountains, Lesqx. Helderberg mountains, about the 

 roots of an old stump Rare. 



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. DENTICULATUM, L. 



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

 tains. Common. July, August. 



H. muhlenbeckii, Eartm. 



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



H. sullivanti^;, Schp. 



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

 Lesqx. Shawangunk mountains, C. F. Austin. 



ORDER HEPATIC^E— Liverworts. 

 RICCIA, Mich. 



R. NATANS, L. 



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

 Not common. June. 



Var. terrestris, Nees. 



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

 .somewhat stellately lobed; lobes linear, diverging; passes into the 

 typical form, C. F. Austin. 



R. lutescens, Schivein. 



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

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

 ing summer. 



R. fluitans, L. 



Stagnant water, rocky rivulets. Not rare. Sterile. 



ANTHOCEROS, Mich. 



A. PUNCTATUS, L. 



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



A. LiEVIS, L. 



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

 NOTOTHYLAS, Sulliv. 



N. VALVATA, Sulliv. 



Damp ground in fields. Common. October. 



N. MELANOSPORA, Sulliv. 



With Anthoceros punctatus and equally common, September, C. 

 F. Austin. 



