CYPERACEAE. 271 CYPEBUS. 
38. Gyperus Goeringii sreuo. /. c. p. 24. Culmus compresso-tri- 
gonus 1À-pedalis glaber, folia plana linearia versus apicem margine 
scabra, involuerum diphyllum umbellà simplici 8-radiatâ longius; 
radii inaequales ; spiculae in capitula densa subulata congestae, rectae 
abbreviatae 8—10-florae, squamis densis naviculari-concavis obtu- 
sissimis vix mueronulatis vel denticulatis, carinÂ cinereâ, lateribus 
hyalinis enerviis pallide albidis, achaenium acute triquetrum. 
Java (GoERING). 
$ 7. Platystachyi KuNtTu U. e. p. 44 et Arenarii ej. l. c. p. 46. 
Spiculae compressae multiflorae capitato-confertae albido-stramineae ra- 
rius flavae, squamis approximatis compresso-navicularibus 7—15-ner- 
viis acutiusculis; achaenium squamâ triplo quadruplove brevius aequi- 
laterum triangulare mucronatum; stamina 3. 
39, Cyperus niveus rerz. Observ. V. p. 12. Steud. l.c. p. 21. Rhi- 
zoma repens; culmus gracilis triangularis glaber; folia brevia angusta; 
involuerum 2-(1—3-) phyllum spiculas superans carinatum rigidum 
glabriusculum ; spiculae 10— 12 capitato-aggregatae oblongae compressae 
90 —40 florae, squamis approximatis ovatis carinatis apice compressis 
acutiusculis 13-nerviis sordide stramineis subtilissime ferrugineo-con- 
spersis; achaenium aequilatero-triquetrum obovoideo-subglobosum laeve 
castaneum nitidum squamâ triplo quadruplove brevius. 
Voor-Indië, 
40. Gyperus arenarius rrrz. Observ. V. p. 9. Steud. L. c.p. 28. 
Canescenti-viridis; radix longe repens sarmentosa, culmi teretiusculi 
sulcati glabri; involueri triphylli foliolam unicum capitulo terminali 
1—l6-stachyo multo longius; spiculae ovato-lanceolatae compressae 
12—22-florae, squamis arcte imbricatis ovato-ellipticis acute-submu- 
cronatis navicularibus, dorso convexis, versus apicem carinatis sub- 15- 
nerviis rabello-cinereis. 
Voor-Indië. 
41. Cyperus cephalotes vans Enum, II. p. 311. Steud. l.c. Kunth 
L €. P. 48, Radix longe repens; culmus triangularis 15-pedalis glaber 
basi dipbyllus; folia culmum subaequantia rigida plana margine sca- 
ra; involuerum 3—4-phyllam capitulo solitario ovoïdeo-subgloboso 
polystachyo multo longius; spiculae creberrimae compactae ovatae com- 
Pressae obtusiusculae 14—1ô-florae, squamis valde approximatis arcte 
imbricatis ‚Ovatis sabmucronatis superne carinatis, carinâ scabriusculâ, 
multinerviis fuscescentibus, lateribus castaneis et obsolete transverse 
rugulosis nitentibas, stylus indivisus? achaenium inaequilaterum inferne 
ei ad Anosporum monocephalum Nees ab Es. in Linnaeá IX. 
Voor-Indië, 
