290 T. Holm — Studies in the Cyperacece. 



forma 1. concinnula nob. (fig. 2) Culmus tenuis, 50-80 

 cm. altus, inflorescentia brevis, 6-9 cm. longa. Spicnlae 

 2-3 cm. longaB, graciles, capillari-pednnculatse, fere 

 cernuee. Washington: Mount Paddo, border of a pond; 

 alt. c. 2,000 m. ; collected by Mr. Suksdorf . 



forma 2. liydroessa nob. {-Q.g. 3.) Culmus 40-60 cm. 

 altus, strictus, tenuis. Spiculse 5 minores, valde remotse, 

 sessiles vel ima pedunculata. Washington : Bottom-land, 

 Columbia Eiver, after high water; collected by Mr. 

 Suksdorf. 



forma 3. mimetica nob. Rhizoma stolonif erum, Culmus 

 50-60 cm. altus, scabberimus. Spiculas ? breviores, i-1% 

 cm. longag, nigricantes, sessiles, erect^e =t remotatsB, 

 brachteae f oliacea?, ima spicam masculam valde superans. 

 Habitum Microrhyncharum (e. g. C. aquat.) simulans. 

 Washington: Among bowlders 5 km. west of Bingen; 

 collected by Mr. Suksdorf. 



C. pruinosa. 



Boott's diagnosis^ reads as follows : 



' ' Spica mascula 1 subclavata ; f oemineis 4 cylindricis peduncu- 

 latis evaginatis erectis contiguis superioribus apice masculis 

 inferioribus longissime bracteatis, stigmatibus 2, perigyniis ovatis 

 rostellatis emarginatis obsolete nervosis albo-tuberculatis squama 

 lanceolata mucronata longioribus latioribusque. 



Hab. In Java, Dr. Horsfield. 



Culmus tripedalis, glaber ; pars spicas gerens biuncialis, scabra. 

 Folia glauca, l%-2 lin. lata, culmo breviora, superne serrato- 

 scabra ; ligula obtusa brunnea. Bracteae binae inf eriores f oliaceae 

 8-10 poll, longae ; reUquae setaceae spicis suis breviores, evagina- 

 tae. Spica mascula 1 poll, longa, 1% lin. lata, basi attenuata, sub- 

 sessilis, squamis f errugineis. Spicae f oemineae 4, superiores plus 

 minus apice masculae, contiguae, 8-14 lin. longae, 2-3 lin.. 

 latae; superior sessilis; squamis brevi-hispido-mucronatis. Peri- 

 gynium 1 6/9 lin. latum, ovatum, rostellatum, emarginatum, obso- 

 lete 3-4 nervosum, tuberculis albis minimis conspersum, quasi 

 pruinosum. Achenium orbiculatum, compressum, basi styli 

 aequali terminatum. 



C. glaucescenti Elliott (quae tamen stigmatibus 3 gaudet), 

 habitu et aspectu similis. ' ' 



■^ Caricis species novae, vel minus cognitse. (Transact. Linn. Soc, vol. 20^ 

 p. 131, 1845-46). 



