698 CYPERACEAE. 



DIPLOSCYPHUS. 



triandrae. Sfigmata 3 longe hirta. Caryopsis crustaceo -dura ovata, 

 apice mamilla umbonata instructa, basi depresse concava perigynio 

 arctissime adnata. Perigynium pateriforme corinceum trilohum, "lobis 

 crassis cucullato - reflexis. Cupula perigynio opposita pateriformis co- 

 riacea rotundato-triloba, lobis integerrimis, sublus plicata, intus laevis 

 albicans in apice rhaclieolae residens. 



1. D. MEXICANUS Liebm 1. c. p.74. f— Culmus 3— 4-pedalis erectus basi digitom cras- 

 sus trifjiieter striatus scabridus foliatus ; folia 1'/,-pedaiia , pollicem et insuper lata 

 acuminata nervosa plicata, supra glabra, subtus ad nervos marpinesque scabra ; va- 

 ginae triquetrae exolatae 4 — 5 poll. longae scabrae adpresse pilosulae, ligulae oppo- 

 sitifoliae breves late ovatae oblusae , margine scariosae hispidae. Paniculae axilloris 

 remota teiminolesque, axillaris sessrlis bipollicaris, terminales multo longiores, ramis 

 paientissiniis triquelris scabris , bracteae ad basin ramorum ramulorumque setaceae 

 scabrae ramis longiores. Caryopsis 2'" longa eburnea nitidissima; perigynium externe 

 olbum, interne llavidum. — Hahitot in Mexico (Huitamalco, Mirador). 



Tribus VI. CARICINAE Knth. 1. c 368. 



LXl. CAREX Linn. 



(Knth. Enumcr. II. 368-540. 592. - Wlprs. Annal. I. 910. — De Caricibus Scandinaviae 

 cf. N. J. ANDERSSON, Cyperaceae Scandinaviae in Dania, Suecia , Norvegia & Fennia 

 sponte crescentes desci iptae Sc delineatae. Praefalus est ELIAS FRIES. [Holmiae 1849. 8vo] 

 p. 16—17. tali. 2. fig. 36—39 fttab. 3— 8. ; Carices Boreali-Americanas perscrutonti opus erit 

 inquirere in JOHN CAREY Esq. in ASA GRAY, A Manual of the botany of the Norlhern 

 Uniled Staates from Now England to Wisconsin and South lo Ohio and Pennsylvania in- 

 clusive [Boston 8c Chambridge 184*. 8vo] p. 535 — 567. Neutram dissertationem hoc loco 



excerplis reddidi.) 



1. STYLUS HIFIDUS. {Vignea Rchb.) 



Sectjones non semper satis notae proptereaque species secundum 

 patriam enumerantur. 



a. Europaeae. 



1. C. COMPACTA Wimmer, Flora (R. Z.) XXXIII. 618. f — Caespitosa stolonifera: culmo 

 foliato, vaginis margine integris: foliis latiusculis; spica erecta compacta; spiculis con- 

 gestis cootiguis mediocriter longis; bractea infima foliacea culmum superante; squamis 

 lanceolatis frnclu angustioribus brevioribusque; fructibus inflato - subglobosis costatis, 

 rostro conspicuo — Ex affiniiate C. caespitosae L. — (Knth 1. c. 411.) — Habitat in Si- 

 lesia prope Vratislaviam (atl pogum Krittern). 



2. C. RUDIS Wimmer I. c. 619. f — Stolonifera: culmo foliato, vaginis margine integris; 

 foliis latiusculis; spica erecta, spiculis approximatis cvlindricis nigricanlibus; bractea 

 infima foliocea culmum superante; squamis oblongis obtusis nigris fruclus longiludinc 

 aequantibus iisque paulum angustioribus; fructibus late ovatis convexis, intus planis, 

 leviter nervosis, rostro brevissimo vel nullo. — Ex affinitate C. caespitosae L. — Ha- 



