CYPERACfi^. (sedge family.) 601 



++ ++ Stigmas 2; scales long-acute and ascending. 



38. C. salina, AVahl., var. euspidata, Wahl. Rather stout, 1-2|^ 

 high; culm rather sharp, smooth ; leaves narrow but flat; spikes 2-4, some- 

 what approximate, the lowest 1 or 2 very short-stalked, erect, short (1^' or less) 

 aud rather thick, the lower subtended by leaf-like bracts 3-4' long; perigyn- 

 ium elliptic, somewhat granular, marked with 2 or 3 nerves or nerveless, the 

 minute beak entire ; scale brown-margined, produced into a lighter and rough 

 awn much exceeding the perigyuium. (C. salina, Man.) — Salt marshes, Mass., 

 aud along the coast northward ; rare in the United States. (Eu.) Anomalous 

 forms, which appear to be hybrids, have been separated as 



C. STRICT A X SALINA, Bailey. Spikes thinner and more scattered, more 

 inclined to be peduncled; scales blunt or short-awned, little exceeding the 

 Derigyuium. — Near Boston, Mass., W. Boott, Morung, 



H-i. -w- ++ Stigmas 3. 



39. C. prasina, Wahl. Slender, somewhat flexuose, U - 2|° high ; culm 

 rather sharp, smooth ; leaves very narrow, soft and flat, rough ; spikes 2 - 3, 

 peduncled and spreading or drooping, somewhat approximate, green, 1-2' 

 long, narrow and loosely flowered ; perigynium pale, narrowly triangular-ovate, 

 thin, nearly nerveless, produced into a short but slender entire or minutely 

 toothed beak; scale very thin and acute, nearly colorless, shorter than the 

 perigynium. (C. miliacea, Muhl.) — Meadows and bogs, Vt. to Mich., and 

 southward ; infrequent. 



* 3. — -I- 4. Cri/ptucdrpce. 



40. C. maritima, 0. ¥. Mueller. Mostly stout, 1 - 2|° high ; culm sharp, 

 smooth or rough above ; spikes 2-6, scattered, all or all but the upper one 

 on very long weak stalks and pendulous, 1-3' long and thick and bushy, 

 usually stamiuate at top ; perigyuium nearly orbicular, pale, few-nerved or 

 nerveless, the beak very short and entire or nearly so ; scale produced into a 

 greenish rough awn 3-8 times as long as the perigyuium. — Salt marshes of 

 the coast, Mass., Maine, and northward ; not common. Leaves smooth, broad 

 and flat. (Eu.) 



41. C. erinita, Lam. Robust and mostly stout, 2-4° high ; culm sharp 

 and rough or sometimes smooth ; leaves about 3" broad, flat, more or less 

 rough on the nerves and margins ; spikes 3 - 6, somewhat scattered, all variously 

 peduncled, mostly secund, curved and drooping (or in small forms rarely nearlv 

 erect), 1 -4' long, narrowly and evenly cylindric, compact or attenuate l)elow, 

 often staminate at top; perigynium ovate, thin and puncticulate, obscurely 

 nerved, the minute point entire; scale greenish-brown and rough-awned, 2-3 

 times as long as the perigynium. (C. gynandra, Sc/nrein.) — Swales; com- 

 mon. — Yar. Mixon, Boott. Afuch smaller in all its parts, 10-18' high ; leaves 

 narrow; spikes 3-4, 1^' long or less, less drooping; scales less prominent. — 

 Maine to X. Y. ; scarce. Somewhat resembles n. 39. 



C. cuixiTA X TORTA, Bailey. More slender than C. erinita, tlie leaves nar- 

 rower ; spikes nearly as slender as those of C. torta; scales blunt or simply 

 acute and little longer than the perigynium, or sometimes very short-awned. 

 — Moist meadows near the Glen House, White INIts. {Brainerd). Might be 

 mistaken for drooping-spiked forms of n. 34. 



