354 : CXLIH, CYPERACEZ. [Schanus. 
«Bpibeloo about 1 line, Glumes obtuse, 2 outer qund y 
x f t,rigid. H ous bristles P 
ae is y as ety sens ind TENIS i 7, S. Drummondii. 
Heads ls broadly turbinate. Spikelets about 3 lines. Glumes : 
te, 3 or 4 outer empty ones. Hypogynous bristles 
- on ng as the nut. Leaves ca ne Eastern ; 
epiniai 1602-2 2. 20. . 8. S, turbinatus, 
Sers III. Is —n sepa lets ina single terminal head but either eet in 
the head sometimes only 2 or 3, or if numerous a or the head loose. Hypogy 
bristles none except in S, Sae and then very shor 
ss above 3 lines long. Western 
regrets bracts 2 or 3, subulate paver dud longer than 
Bract-shoaths densely bearded. raris 2 to 4in 
* 9. S. barbatus. 
Bract- sheaths glabrous or nearly s0. ` Spikelets 6 or 
NN 3 10. S. flavus. 
Involucral bracts short or only L exceeding the head and 
id. 
Leaf- Seay rong bearded. Spikelets 5 or 6 lines, 
le head. Hyp "US iuc bristles presnt Dut 
"pu 
short and cilia 
petia kie: crowned b membrane, not ' bearded. 
x mim lei lets camel à nte several i tho h head. No 
. 11. S. brevisetis. 
. 12. S. armeria. 
Spikelets 3 ins or shorter. Tavolucral bracts "short or 
.. Only 1 exceeding the head.  Easte 
-she vy not bearded, ey points v very "abort Spike- 
lets es. Stamens 4 13, S. aphyllus. 
Lestebesthn not bearded, gan veni or laminw subulate. : 
Spikelets 3 lines. ` Stamens 14. 8. imberbis. 
-sheaths bearded. the. -subulat ts sh Spike- 
lets 3 lines. Stamen: poin ort ii C . 18. S. ericetorum. 
Sexes IV. Laterales.— Spikelets not above 2 lines long, in a single lateral 
head ov cluster or kads solitary, the erect involucral foam continuing the stem. Hypo- 
gynous  briatlos ciliat 
use. Setha lon nger "sari qid ut . . 16, S. nitens, 
ifie 5 chem Black, GI to. 
I very short : mes eve c . 17. S. cygneus. 
nu. S. poer setis and some others of the. pes iras y 
Serres V. Oligostachyz. Dwa arf olitary © 
plants, rarely above 6 in. Spikelets s ‘ 
ann os s pels 4 together, all. terminal and erect jri Slt bristles none or short 
Stems ide 2 in. 
yee Spikelets 2 to 3 lines. 
with very sh 
lines Jong, Beer benet sk LI mon 
inutulus. 
Tenves subulate, as Ie. e m 
as the stem,” Spikelets 1 or 2, 
2 YU Invo| il bract long and subulate . 19, 9. trachycaD™ 
the stem. Spikelets 2 to 4 
pel cu Hypogynous 
: eye 90, Sc nanus. 
