ELEOCHARIS.—(1) Small plant of E. olivacea; (2) the spikelet enlarged; (3) detached scale; (4) flower; (5) achene and bristles.—(6) E. quadrangulata, spikelet; (7) a scale; (8) flower; (9) achene and bristles.—(10) E. tuberculosa; the achene with its great tubercle, and bristles.
SCIRPUS.—(1) Summit of plant of small S. debilis; (2) a spikelet; (3) a scale of the same, and (4) flower; (5) achene with its bristles.
ERIOPHORUM.—(1) Small plant of E. alpinum, in flower; (2) spikelet; (3) a scale, and (4) a flower from the same; (5) the spikelet, in fruit, the bristles forming a cottony tuft; (6) achene and its bristles.—(6, under Scirpus) a small portion of the inflorescence of E. cyperinum; (7) a flower; (8) a spikelet in fruit; (9) achene from the same, with the tortuous bristles; (10) section of the achene.
FIMBRISTYLIS.—(1) Summit of a small flowering stem of F. laxa; (2) a spikelet of the same; (3) a detached scale, and (4) a flower of the same; (5) achene.—F. autumnalis, (6), a spikelet, enlarged; (7) flower; (8) achene, and (9) section of the same.
DICHROMENA.—(1) Head and involucre of D. latifolia; (2) a scale from one of the spikelets, and (3) the same cut across; (4) a flower; (5) achene with its tubercle.
PSILOCARYA.—(1) Part of plant, (2) enlarged spikelet, (3) detached scale, (4) flower, and (5) achene with its beak, of P. scirpoides.
RHYNCHOSPORA.—(1) Upper part of flowering stem of R. Torreyana; (2) a spikelet; (3) detached flower; (4) achene, with short bristles at its base; (5) one of these bristles more magnified.