170 42. ettbiacEjE. 



gins witk 2 rows of prickles, pointing: forwards. Fl. -wliite. — a. 

 1. lanceolate.— [/3. O. cinereum (Sm.) ;, 1. 6 — 8 in a vtorl linear. 

 Perhaps a distinct species, O. diffmum (Hook.), but a doubtful 

 native.]— G. aristatum (Sm.), has 1. in sixes but is probably a 

 state of this species. — Banks and pastures. P. VI. and IX. E. I. 



8. G. MdWucjo (L.) ; I. about 8 in a whorl lanceolate-ohovate 

 or ohovate-ohlong cuspidate the' margins rough with forward 

 piickles, branches of the broad pan. spreading lower ones hori- 

 zontal or deflexed, fruitstalks divaricate, fr. glabrous. — St. as- 

 cending, square, thickened at the joinings, glabrous or hairy. L. 

 slightly translucent, veined, hardly separated at the base, those 

 of the main st. horizontal or declining. Pan. large. Fl. small, 

 white. Styles nearly free. — G. albtim (Vill.) has a much more 

 branched st. and horizontal or declining 1. on main stem. — G. 

 insubrictim (Gaud.) is a form with 1. about 6 in a whorl oboyate 

 abruptly cuspidate, branches of the panicle few-flowered tenm.T 

 Bating in trichotomous umbels, floral 1. large,' bracts large usu- 

 ally solitary. — Hedges and thickets. P. VII. VIII. E. S. I. 



9. G. verum (L.)^ I. about 8 in a whorl linear-setaceous with 

 revohite marf/OTa '.channelled abo've doiony beneath, panicles many 

 small densely flowered subterminal, fruitstalks patent, /n<j< 

 smooth, pet. blunt and apiculate. — St. erect, slightly branched, 

 somewhat woody, with many whorls of narrow deflexed leaves. 

 Fl. golden yelloxv, rarely green : or straw-coloured, usually in 

 many small dense painicles collected into a kind of terminal 

 spike. St. and upper svirface of the 1. sometimes downy or 

 rough. On loose sands the st. are much more branched and the 

 fl. sometimes solitary. — Dry and sandy places. E. VII. VHI. 



** Fruit granular, not hairy. St. without doy)nward pricTdes. 



10. G. saxat'Ue (L.) ; I. about 6 in a whorl obovate pointed 

 flat, midrib slender, panicles corymbose small, fl.- and fr.-stallis 

 erect-patent, pet; acute. — St. many, procumbent, much branched. 

 L. suddenly narrowed to a point, s^mooth, ■with a. few marginal 

 forward prickles ; lower 1. roundlv obovate. It turns black in 

 drying.— Heaths. ' P. VIL VIII." E. S. I' 



11. O. sylves'tre (Poll.) ; I. 6 — 8 in a whorl linear or linear- 

 lanceolate mucronate with revolute edges, midril) slender promi- 

 nent, panicles few-flowered,j^.- undfr.-st. erect-patent, fr. faintly 

 granular, pet. acute. — G, pusilhim Sm. — St. many, slender, 

 square, diffuse, ascending. L. often nearly glabrous or with 

 marginal hairs (not prickles') spreading or backward. , Lower part 

 of stem and leaves sometimes densely covered with patent hairs. 

 Panicle very variable in size. Fr. very minutely granulai. — 



