348 88. EEiocAiTLAcliJE;— 89. 'jtincaoEjE. 



, Order LX!XXVIII. EEIOCAULACE^. 



Fl. capitate, unisexual. PeiTianth very delica,te, -2| — 6-parted- 

 Stam. 2 — ^6, if in 2 rows tlife irin'er row iiiOst developed. Anth. 

 ^-celled.. Ovary superior, 2— .3-celled. Oyules solitary, pen- 

 duloUs.i ■),Dehisesnoe,.of caps, loculicidal. Seeds coated, wth 

 wings, or rows of liairs. Bnabryo .lenticular, on the outside of 

 farinaceous albumen, at the end remote from the hile. 



i; Eaidcltrio'N. 'Fl. in a compact scaly head. Barren'fl.in 

 the'cehtre. '' Perianth 4 — 6-fid, the inner segnients united 

 nearly to their top. Stam. '4— 6. — Fertile fl. in the, cir- 

 cumference. Perianth deeply 4-parted. Stig-mas 2 — 3. 

 Caps. 2 — 3-lobed,, 2 — 3-celled ;_cells 1-seeded. 



1. EKiooAtr'LOif Linn. Piperwort. 



1. E. septan ffuldre'^Wiihi) ;' scapes striate exceeding the cel- 

 lular compressed subulate glabrous 1. , fl. 4-cleft hair}' at the end 

 as well as the scales, stam. 4) caps. 2-celled. — U. B. 738i — Hoots 

 of many white Jointed fibres. St. vairying in height according 

 to the' depth 'of the water, usiially with 6 or 8 rarely 7 or 10 

 angles, each- corresponding with a>bundle of vessels surrounding 

 a central bundle.' Fertile fl, 4-paiited nearly to the base; 2 late- 

 ral divisions keeled, compressed, blunt, fringed, black. Each fl. 

 with a broad blimt. ,blapk scale iii fvoijt jwhich , is shorter and 

 ^jroader than it. — Peaty pools in.Skye and a few of the neigh- 

 bouring island.s. Cpmaenjara. P. ^TIL; S.I. 



Order LXXXIX.. , JTISCAdJE^ ,, ! 



Perianth more, or less glume-like, 6-parted. , Stj^m. 6, on the 

 base of the segments ; or 3, opposite to the outer series. Anth. 

 2-celled. Ovary 1— 3vcelled, superior. Ovules 1, 3, or many 

 in each cell. Style IJ stigmas usually 3. Fr. capsular, 3-valved, 

 loculicidal, sometimes ncJt bursting. Embryo subcylindrical, vfery 

 minute, within firm 'albumen,, near the hile.^For fig. of the 

 genera* see O. F. G. MonnQot. ii, 28, 29, 30. — Narthecium should 

 perhaps be placed m'Liliacecs or form a, distinct order. 



' l.,NAiiTl-rECitfM. ' Perianth partly coloured, of ,6 lihear-laia- 

 ceolatepersistentleaves. Mlaments woolly. Style undivided. 

 Stigma simple, blunt. Caps, pyramidal. 3-ceUed, 3-valved. 

 Placenta extending only a shoH distance up inner edge of dis- 

 sepiment. iSkeds with a long jiUfonn appendage at each end. 



2. JtiNCUS. Perianth glnme-Ul;e, G-leaved. Filaments gla- 

 brous. Style undivided. Stigmas 3, ii'lifoi'm. Caps. 3- 

 ci'lled, 3-valved. Seeds attached to the inner edge of the 

 dissepiments. — ^L. mostly not flat. 



