Scirpus Coloradoensis sp. nov. — Annual, uliginous, similar 

 to Sc/r///s lujinis ; culms tufted, filiform, 4 cm. high or less, 

 Spikelet solitary, ebracteate, linear-oblong, acutish, 3-5 mm. 

 long, about 2 mm. thick : scales lanceolate, acutish, the keel 

 green, bordered by two brown bands, the margins scarious : 

 stamens apparently two : bristles none : achene brown, obovate, 

 I mm. long, trigonous, narrowed at the base, the apex scarred 

 by the base of the deciduous style, the surface finely papillose, 

 the papillae arranged in irregular transverse lines. 



Shore Lake, Larimer County, Colorado, y. H. Cozucn, July 21, 

 1896. 



This species differs from vS". nanus in the darker scales, the ab- 

 sence of bristles, and the darker colored papillose achene, the 

 achene of vS. nanus being finely longitudinally lined. 



N. L. Britton. 



PROCEEDINGS OF THE CLUB 



April 12, 1904 



The meeting was held at the New York College of Pharmacy, 

 with Dr. AlacDougal in the chair. The name of ]\Iiss A. Irva 

 Lee Kuter, 1264 Lexington Avenue, New York City, was pre- 

 sented by the nominating committee and she was elected to 

 active membership in the Club. 



The first paper of the evening was by Professor L. 'SI. Under- 

 wood on " Cyatliea and its allies in Jamaica." One of the objects 

 of Professor Underwood's trip to Jamaica last year was to study 

 the tree ferns in the field. Specimens usually show a single 

 pinna without its connections or any part of the caudex. Such 

 material has been used for types and one species has been 

 described from a single pinnule. Although a species which is 

 well known can often be recognized by a fragment of a good 

 specimen, it should show as much as possible of a pinna, its con- 

 nection with the main rachis, and part of the caudex. 



The Cyatheaceae or tree ferns mostly have an elongated cau- 

 dex or trunk but a few are herbaceous. The more distinctive 

 family characters are furnished by the sporangia, which are 

 rounded-triangular with complete ring and are sessile or very 



