Old. 3.] TRIANDRIA MONOGYNIA. 13 



Meadows, rare, not wild. If. 10. Differs from C. nudiflor. in 

 the greater length of the stigma. 



20. TRICHONeMA. Trichonema. 



1. T. Columnce, T. Bulboc, E. Fl. Ixia Bulbocodium, 36. 2549. 

 (Columna's T.) Scape single-flowered, mostly solitary, slightly 

 drooping. Leaves filiform, compressed, furrowed, flexuose. 

 Spathas longer than the tube of the corolla. Style shorter 

 than the stamens : stigmas bifid at the apex. 

 Sandy pastures, S. of Engl, and Guernsey. If. 3, 4. Cor. purplish. 

 Stalks curved. 2 in. 



21. IRIS. Iris, or Flower-de-luce. 



1. I. Pseud-dcorus, 9. 578. (Yellow Water I.) Corolla beardless ; 



inner segments smaller than the stigma. Leaves sword-shaped. 

 Seeds angular. 

 Watery places. If. 7. Fl. yellow, pencilled with dark purple. 



2. I. feetidissima, 9. 596. (Stinking I.) Corolla beardless ; inner 



segments spreading. Stem with one angle. Leaves sword- 

 shaped. Seeds globose. 

 Thickets, chiefly in the S. W. of Engl. If. 6. Leaves dull green. 

 Fl. pencilled with dark veins. 



* Fl. inferior, chaffy. Seed 1. 

 22. SCH GENUS. Bog-rush. 



1. S. nigricans, 16. 1121. (Black B.) Stem round, naked. Head 

 roundish, abrupt, overtopped by one of the two floral leaves. 

 Turfy bogs. If . 6. Stem 8 — 12 in., smooth. Head black. Stigm. 3. 



23. RHYNCHoSPORA. Beak-rush. 



1. R. alba, Schcenus albus, 14. 985. (White B.) Heads abrupt. 



Stamens two. Leaves tapering. Seed with numerous bristles 

 at the base. 

 Turfy bogs. If. 8. A smooth, slender plant, with white fl. Stigm. 2. 



2. R. fusca, S. fuscus, 22. 1575. (Brown B.) Heads ovate-oblong. 



Stamens 3. Leaves thread-shaped. Seed with three bristles 

 at the base. 

 Marshes, rare. If. . 8. Smaller. Glumes of a shining reddish brown. 



24. CYPERUS. Cyperus, or Galingale. 



1. C. longus, 19. 1309. (Sweet C. English G.) Stem triangular. 



Umbel leafy, twice compound,with naked stalks. Spikes alternate. 

 Marshes, verv rare. If. 7. Stem 2—3/ Rootaromat. Sp. lin.many-fl. 



2. C. fuscus, Suppl. 2626. (Brown C.) Stem triangular. Umbel 



compound, with three unequal leaves beneath. Spikes crowded, 

 spreading every way. Stigmas three. 



