58 TRIANDRIA. MONOGYNIA. mariscus 



Hab. In wet meadows; rarely in dry fields. August— Sep- 

 tember. 



2. M. ovularis Vahl: umbel simple; rays short; 

 spikes globose ; flowers spreading. Va h I Enum. II. p. 374. 

 P nrsh Fl.\. p. bB. /^ o c m. (^ S c /i m / /. II. p. 244. M. 

 echmatus Elliott Sk. \. p. 75. t, 3. f. 1 . Cat. pL New- 

 York., p. 14. KvLLiNGiA ovularis Mich, Fl. 1, p. 29. 

 SciRPUS ec/?i/tc<MS Ltn. IV Hid. SpecA. ^. ZQ^. Muhl, 

 Gra/n. p. 40. C^joerus florJbus capitatus, &c. Gron, Virg, 

 12. Gramcn cjperoides, &c. P luk. Aim. 179. t. 91. f. 4. 

 Root bulbous, with descenrling fibres. Culm from 6 inches to a 

 fi)c t and a half high, triangular, nearly naked. Leaves shorter 

 than the culm and situatecl at its base, carinate, nearly smooth. 

 Involucrum about 3-leave<l ; leaves unequal, the longest about 

 three times the length of the rays of the umbel. S/iikes 3 — 5 ; 

 sometimes 1 ; the middle one sessile, the rest on spreading 

 rays or peduncles 1 — 2 inches long. Spiketets in the lower 

 part of the head reflected when old, terete ; generally but one 

 of the florets perfecting its seed. Corolla lanceolate j the 

 lower valves ovate. Stamens 3. Style 3-cleft ; a small part of 

 the base persistent. Seed oblong, brown, puncticulate. 

 Hab. Li low boggy grounds; not uncommon in the vicinity of 

 New-York. July — ^^August. In sterile soils it is frequently 

 1 -spiked, without any rays. 



^. tenellus*: culm acutely triangular, slender; involu- 

 crum 3 — 5-leaved; three of the leaves many times longer 

 than the umbel. 



Heads consisting of 10 or 12 spikelets. Culm about a foot 



high. 

 Hab. On the sea-coast of Long-Island. August. 



38. DULICHIUM. Richard, 



Spikes somewhat racemose, axillary ; spikelets linear- 

 lanceolate, rather compressed. Glumes distichous, 

 sheathing. Sfi/le very long, bifid ; base persistent. 

 Sf'ed with bristles at the base, i? i ch. in Pers. Syn. 

 I. p. 65. Nntt. Gen. I. p. 35. Schcenus Vahly 

 &c. Nat. Ord, CvpERoiDEyE Juss. 



D, spnlhacpum Pers.: culm terete ; leaves, spreading 

 in three directions; spikelets spreading. Pers. Syn. L 

 p. 65. Pur ah Fl. 1. p. 53. Elliott Sk. I. p. 73. t. 2. 

 f. 3 ScHfEN'us spathaceus Lin. Sp. pi. ed. 2. 63. S. an- 

 gustifohns Vahl E7ium. II. p. 225. Roem, ^ Schult^ 

 II. p. 71. Cyperus spathaceus Lin. Syst. Veg. p. 100. 

 Willd. Spec. \, p. 289. M u h L Grayn. p. 26. B i ^r. 



