368 95. NAIADACBJE. — 96. crPEEACua;. 



broad.' Ped. rather strong. Bipe^ seed milky wHte. — Z. angus-^ 

 <«/rffo'is a Mender form, growing upon inud, -which has fewer 

 veins^ in its 1. iandirather longeripedimcles which are much com- 

 pressed and green upwards and narrow gradually into' the spadix. 

 —In the sea. P.? TIL VIII. , , E.S.I. 



■' ' 2. Na'ias lAnn. 



IJ iV!.;;^e.rt&s, (Rostk,) ;i.L Very narrow and very minutely 

 denticulate, sheaths ciliate-denticulate. — L. tematg or opposite; 

 1-veined, pellucid, remotely denticulate. Ovary Solitary, axil- 

 larj^, sessile, bblongJ", Style short. — Near Roundstiane, Conne- 

 mara, Cialway. Frof. Oliver. A. VJII. I. 



Division III. GLUMIFER^. 



Leaves parallel-veined, persistent. Floral envelopes imbri- 

 cate, bractlike.— Ordei-s XCVI; and XOVH. 



Order XCVI. CTPEEACE^. 



Fl. perfect or^ .unispxu?.l., ^ each from the axil of a scale or 

 glume imbricate on a common axis." Perianth 0, or rarely mem- 

 branous. : ; Stam. hypo^ynous, (^, or rarely 2 in pur plants), with 

 sometime^ a row of bristles or abd;('tjv,e, filaments. Anth: erect, 

 entire at' the apex. Ovary 1-celled, 1 ovule at its base, often 

 surrounded, by bristles or enclosed in a bottle-shaped perianth. 

 Style simple, trifid or bifid. Embryo enclosed within, the base 

 of the albumen. — L. with entire sheaths.^For figures of the 

 genera , see .(?. i^. ■ 6-'. Jfoiiocoi. ii. 



Tribe L CrP,£'ii^J5,V Fl. perfect. G1.2-ranked; Perianth 0, 



1. Cypbbus. Spikel^ts^2-ranked, many-flowered. ,G1. of 

 - 1 valve, many, keeled, nearly all with fldwers. 



2. SCHCBNUS. Spikelets 2-ranked, 2 — 4-flowered.' Gl. 6 — 9; 

 several lower ones smaller,, empty. ■ Bristles few or 0. 



Tr. IL SCIRPEJS: Fl. 'perfect. Gl. Wbricate on all sides, 

 Perianth 0. - ' '■,: 



* Lowest ghimes empty or ^nailer, than thi, others. ;- 



3. Cladittm. Spikelets 1- .'^,-iiowered. G1-5ot6. BristlpsO. 

 Ntd with a thich fleshy cadi, tipped with the conical base of 

 the style. ■,,,, ■ __- • . 



4. KHYNCHOBpoiiA. Spikelets feW-flowered. Gl. 6' or 7. 



