1784 CLII. CYPERACE^. [Schanus.. 



Series I. ZsoscliOenese.—Spikelets in a single terminal head but either few in the head' 

 sometimes only 2 or 3,- or if numerous spreading or the head loose. Hypogynom bristles 

 ■>ione.' 

 Spikelets 3 lines. Involucral bracts short or only 1 exceeding the head. 



Leaf-sheaths bearded, the subulate points short. Stamens 3 . . . 1. S. ericetorum. 



Series II. Xiaterales. — Spikelets not above 2 lines long, in a single lateral head or 

 cluster or rarely solitary, the erect involucral bract continuinq^tlie stem. Hypogynotis bristles 

 citi'ate. 

 Leal-sheaths not bearded. Spikelets brown. Glumes obtuse. Bristles 



longer than the nut ,....."... 2. S. nitens. 



Series III. CaLlostaLOlxyaB.— Spikelets large, pedunculate in distant sheaths, . solitary' 

 or very few in each sheath. Outer empty glumes numerous, regularly disticlious. Stamens 3.- 



Spikelets lin. Glumes acute. Hypogynous bristles present. Sheathing 

 bracts with leafless laminse 3. S. calostachyus. 



Spikelets j- to lin. Glumes obtuse with gland-like tips." Outer empty 

 ones 5 or 6. No hypogynous bristles. Sheathing bracts with very short 

 obtuse points. Peduncles scabrous . 4. S. scabripes. 



Series IV. Faniculatae. — Spikelets under ^in. long, usually dark-brown or black, 

 often falcate, all pedunculate, either numerous in a panicle usually secund or rarely few in a 

 terminal cluster. 



Panicle or cluster short and dense. Stems rush-like. Leaf-sheaths at 

 the base only with very short points, not bearded. Spikelets 



numerous, about 5 lines. No hypogynous bristles , 5. S. brevifolius. 



Panicle loose but narrow. Leaf-sheaths bearded, with short or subulate 

 points. Hypogynous bristles none or fine and rare. 

 • No leaf-sheaths between the basal and floral ones. Spikelets black, 



flat, 3 to 4 lines. Nut granular, tuberculate 6. S. melanostachyus.. 



Leaf-sheaths few on the stem, with short subulate points. Spikelets 



brown, acute, scarcely flattened, 4 lines. Nut. smooth 7. S. sparteus. 



Leaf-sheaths several, distant, with linear laminiB. Spikelets brown, 



scarcely flattened, about 5 lines . . . ; . ■ 8. S.vaginatus. 



Panicle loose and much branched with very numerous spikelets. Stem 

 leafy, the lower leaves very long. No hypogynous bristles. 

 Leaves nearly 2 lines broad at the base, tapering into long points. 



Spikelets 4 to 6 lines 9. S.falcatus. 



Leaves subulate from the base. Spikelets 2 lines 10. S. punctatus. 



Series V. Iiaxee. — Spikelets under ^in. long, few on slender pedicels. Hypogynous 

 hristles present. Leaves at the base of the stem very narrow or subulate. 



Stems loosely hairy in the lower part. Spikelets dark-brown, about 3 

 lines long 11. S. indutus. 



Series VI. XtXlcrocarpse. — Spikelets small m a terminal loose cluster or irregular 

 umbel or clustered in the axils of distant leafy bracts. Nuts very small and tohite. Small 

 or Slender and weak plants with flaccid leaves. 



Spikelets black, in a terminal cluster or irregular uinbel, with few 

 r axillary clusters lower down. 



Hypogynous bristles present. Nut smooth or nearly so, 12. S.Brownii. 



No hypogynous bristles. Nut smooth . . . , ■. . 1. S. ericetorum. 



1. S. ericetorum (found in heath-country), B, Br. Prod. 231 ; Bentli. tl.. 

 Atistr. vii. 362. Stems slender, densely tufted, 6in. to above 1ft. high. Leafless 

 except brown sheathing scales at the base which ai:e bearded at the orifice with. 

 short woolly hairs. Flower heads rather loose, sometimes forming a small 

 corymb, with 1 or 2 lateral clusters on peduncles of 8 or 3 lines, but often quite' 

 compact. Spikelets black, lanceolate, fully 3 lines long, curved and acuminate,, 

 with 2 flowers. Glumes often numerous, 6 or 7 outer ones empty. No hypogy- 

 nous bristles. Stamens 3. Nut obovoid, very obtuse or retuse, obtusely 3- 

 angled, but scarcely ribbed, rugose.— Sieb. Agrostoth. n. 45 ; F. v. M. Fragm^ 

 ix. 23 ; Bceekel in Linnsea, xxxviii. 278. 



Hab.: Burleigh Heads, liev. B. Scorteahini; and southern localities. 



