406 PROCEEDINGS OF THE AMERICAN ACADEMY 



547. Juncus acuminatus Michx. ; Engelm. 1. c. 548. A form 

 of the same. 



549. Juncus Mertensianus Bongard, Veg. Sitch. p. 167 ; En- 

 gelm. 1. c. p. 479. 



550. Juncus xiphioides E. Meyer ; Engelm. 1. c. p. 481. 



551. Juncus oxymeris Engelm. 1. c. p. 483. 



552. Luzula spadicea DC, var. parviflora. 553. Var. me- 

 lanocarpa (L. melanocarpa Desv.). 



554. Luzula comosa E.Meyer; slender forms, appearing differ- 

 ent from the next. 555. A dwarf form. 



556. Luzula campestris Desv. : a dark-colored form. 



557. Cyperus inflexus Muhl. 558. Cyperus occidentals 

 Torr. Mon. Cyp. p. 259. 



559. DuLiCHimi spathaceum Pers. Not before received from 

 west of the Rocky Mountains. 



560. Eleocharis acicularis R. Br. 561. E. palustris R. 

 Br. : large form. 



562. Scirpus lacustris L. 563. S. microcarpus Presl; Gray, 

 Man. p. 564 (S. lentictdaris Torr.). 



564. Scirpus (Isolepis) pychvosus Gray, Proc. Am. Acad. 7, 

 p. 392. Isolepis leptocaulis Torr. 



565. Fimbristylis capillaris Gray: a small state. 



566. Fimbristylis ; a minute species, apparently the same as one 

 which has already been collected in California, but unpublished : the 

 specimens for comparison not at hand. 



567. Cyperus acuminatus Torr. Mon. Cyp. p. 436. New to the 

 Pacific coast ; a small form. 



568. Rhynchospora alba Vahl. 



569.* Carex nigricans C. A. Meyer, Cyp. Nov. in Act. Petrop. 

 17, t. 7. 



570. Carex Breweri Boott, 111. Car. 4, p. 142, t. 55. 



571. Carex polytrichoides Muhl. ; Boott, 1. c. t. 469. 



572. Carex Hookeriana Dewey; Hook. Fl. Bor.-Am. t. 212. 



573. Carex stipata Muhl. 



574. Carex Kunzei Olney, ined. C. leiorhyncha Kunze, Supp. 

 Car. t. 2, fig. 1, non C. A. Meyer. 



* These Carices are determined by S. T. Olney, Esq., of Providence, who is 

 making a very critical study of the North American species. 





