CYl'EBACEiE. 77 



glume empty, the second having a male flower in its axil, and the 

 third flower absent. Male flowers with 3 stamens. Female flowers 

 reduced to an ovary, with a single style and 3 stigmas, without 

 hypogynous bristles. Xut ti'iquetrous, sometimes compressed, with- 

 out any perigynium. 



Perennial herbs, differing from Carex only in the nut not being 

 enclosed in a sac or perigynium. 

 Named after De Kobres of Augsburg. 



SPECIES I.— KOBRESIA CARICINA. Willd. 



Plate JSIDCIX. 



Beich. Ic. Fl. Germ, et Helv. Vol. VHI. Tab. CXCm. 



Billot, Fl. Gall, et Germ. Exsicc. No. 2955. 



Elyna caricina, Mert. & Koch ; Kunth. Enum. Plant. Vol. II. p. 533. 



Schoenns monoicns, Sm. Eng. Bot. No. 410. 



Spikelets arranged in a compound spike. Each spikelet with only 

 one perfect flower; the upper spikelets male, the lower female. 



On wet moors. Very rare. On Cronkley Fell and Widdy Bank, 

 Teesdale, in Yorkshire and Durham ; Schroine-an-Lochan, Bread- 

 albane, Perth. Possibly also on Ben More, Perth, as Mr. H. C. 

 Watson gathered it somewhere on the Breadalbane mountains, and 

 is inclined to think it was on Ben More. 



England, Scotland. Perennial. Late Summer. 



Caespitose, growing in dense tufts. Radical leaves linear-setaceous, 

 channelled, shorter than the stem, wry, 2 to 6 inches long. Stems 

 erect, rigid, cylindrical, striate, 2 to 9 inches high, terminated by a 

 spike f to 1;^ inch long, which is compound at the base. Glumes 

 ^ inch long, ^eddish-bro^\^l, with pale scarious margins, the lowest one 

 in each spikelet empty, the second of the lower spikelets with a female 

 flower, and the third rudimentary and without any flower. In the 

 male spikelets the lowest glume is empty and the second and ter- 

 minal one contains a male flower. The nut when not quite mature is 

 lanceolate-acuminate, plano-convex, 2:)ale-yellowish. The ripe nut I 

 have never seen. 



Sedgelike Kohresia. 



French, Kohresie carex. 



GENUS /X_CAREX. Linn. 



Flowers unisexual, monoecious, very rarely dioecious, arranged in 

 several- or many-flowered spikelets, which ai-e dispo.sed in a simple or 



