270 MONGEC. TETRAND. 



44. C. ampnllacea (small-fruited Bladder Carex}, sheaths 

 none, bracteas foliaceous, fertile spikes cylindrical long 

 nearly erect, cal. lanceolate, fruit crowded subglobose inflated 

 setaceo-rostrate slightly bifid at the point. Lightf. p. 56G 

 (C. vesicaria). 



HAB. Bogs and marshes, frequent. Fl. June. TJ. . 



Differs from the last in the longer, slenderer spikes, with much more 

 numerous Jlowers. Fruit brownish, not half so large, and of a dif- 

 ferent shape. 



45. C. hirta (hairy Carex), hniry, sheaths elongated nearly 

 equal to the flowerstalks, bracteas long foliaceous, fertile 

 spikes short cylindrical distant their cal. cuspidate, fruit ovate 

 with a long beak hairy. Light/', p. 568. E. B. t. 685. 



HAB. Wet pastures and woods, frequent. Fl. June. "}/ . 

 One foot to two feet high. More or less hairy in every part. 



46. C. Jiliformis (slender. leaved Carex}, glabrous, sheaths 

 scarcely any, bracteas long very narrow, fertile spikes shortly 

 pedunculate oblongo-cylindrical their cal. subcuspidate, fruit 

 ovate shortly beaked bifid at the point very pubescent. Lightj'. 

 p. 553.(C. iomentosa). E. B. t. 904. 



HAB. Marshes. Ravelrig-toll, Mr. Greville. Restenat Moss, Forfur, 

 G. Don. Bog near Aviemore, Mr. Borrer. Fl. June. "I/. . 



One to one foot and a half high. Leaves slender; their margins in- 

 volute, filamentous at their base near the root. 



3. TETRANDRIA. 



7. ERIOCAULON. 



I. E. septangular e (seven-angled Pipewort), scape striated 

 longer than the cellular compressed ensiform glabrous leaves, 

 head of flowers globose its ext. scales without flowers gla- 

 brous the interior ones as well as the perianths ciliato-pilose 

 at the extremity, stam. 4. Lightf. p. 569 (E. decangular e). 

 E. B. t. 733. Hook, in FL Loud., with a fig. 



HAB. Said to be discovered in 1768 a by Mr. Robinson, a pupil of 

 Dr. Hope's, in the Isle of Skye. Lightfoot afterwards gathered it, 

 in company with Mr. Pennant, in two or three small fresh water 

 lakes, about a mile west of Loch Sligachan, in the Isle of Skye, but 

 particularly in a small lake called Loch-na-Caiplich, close to the 

 road-side between Sligachan and Drynoch. Fl. Sept. 7/ . 



Plant forming great tufts, which often float. Roots fibrous, white, 



. articulated. Leaves pellucid, beautifully cellular. Scape about 1 

 foot high. Head of Jlowers small, round, whitish purple. 



a Mr. Maughan has communicated the following note to me, which he 

 found in the Herbarium of the late Dr. Walker of Edinb., attached to speci- 

 mens of Erloc. septangularc, in that gentleman's handwriting. " In a small 

 lake by the road-side leading from Sconsar to Giesto, in Skye, 11th Sept.,/ 

 J7-G4. Sir John Macphei'sou, who indeed first noticed it, leaped from h^ 

 horse, waded iuto the lake and brought it out." C 



