270 MONCEC. TETRAND. 



44. C. ampullacea {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. 566 

 (C vesicnria). 



Hab. Bogs and marshes, frequent. Fl. June, % • 

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

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

 ferent shape. 



45. C. hirla {hairy Carex), hairy, 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. Lightf. p. 568. E. B. ^685. 



Hab. Wet pastures and woods, frequent. JF7. June. % . 

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



46. C. filiformis {slender-leaved Carex), glabrous, sheatiis 

 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. Lightf 

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



Hab. Marshes. Ravelrig-toU, Mr. Greville. Restenat Moss, Forfar, 

 G. Don. Bog near Aviemore, Mr. Borrer. Fl. June. 1/. 



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. 



1. E. septangulare {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 pierianths ciliato-pilose 

 at the extremity, stam. 4. Lighlf. p. 569 (E. decangulare), 

 E. B. t.733. Hook, in Fl. Lond., with a fig. 



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

 Dr. Hope's, in the Isle of Skya. 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-Caiphch, close to the 

 road-side between Sligachan and Drynoch, Fl. Sept. "U. . 



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

 articulated. Leaves pellucid, beautifully cellular. Scape about 1 

 foot high. Head oi flowers small, round, whitish purple. 



» Mr, Mau^han 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 Erioc. septangulare, in that gentleman's handwriting. " In a small 

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

 1764. Sir John Macpherson, who indeed first noticed it, leaped from his 

 horse, waded into the lake and brought it out." 



