87 
Pergracilis; rhizomate brevi fibrillis capillaribus; eulmis pau- 
cis faseieulatis inaequalibus 1’/,,—1 ped. alt. tenuibus, vix supra 
lineam crassis, rigidulis, superne leviter incurvis, triangulis sul- 
eato-striatis laevibus, supra basin leviter bulboso-inerassatam 
paucivaginatis; vaginis remotis, inferioribus aphyllis, suprema 
eum lamina brevi et angusta (1—3-pollie. vix jlineam lata) cari- 
nato-complicata sublaevi munita; umbella simplici 5—4-radiata 
explanata; foliis floralibus 3 illis culmeis similibus ac aequilon- 
gis, superne margine remote dentatis; radiis patentissimis fili- 
formi-setaceis triangulis 2—3 poll. longis, intermedio sessili; 
ochreis angustis ore oblique truncatis obtusis; spieulis elongatis 
patentissimis graeilibus in radiorum apice alternatim approxima- 
tis leviter curvatis linearibus acuminatis 24—16-doris 16—13 lin. 
long. semilineam latis; squamis parvulis parum remotis apice 
patulis, oblongis acutiuseulis muticis, lateribus purpurascentibus, 
dorso viridi plurinervatis; caryopsi squamae dimidium vix ae- 
quante recta oblonga triangulari, augulis obtusis prominentibus, 
mucronulata, dense elevato-punctata atro-fusca; rhachillae alis 
angustis hyalino-albidis. 
Queensland, Port Denisson (Am. D.) 
32. (297 b.) ©. Dietrichiae n. sp. 
Caespitosus; rhizom. brevissimo, fibrillis tenuibus fascieulatis 
rigidis; culmis strietis 1'/,—2 ped. altis lineam crassis v. parum 
erassioribus rigidis triangulis sulcato-striatis, parte inferiore foli- 
atis; vaginis membranaceis pallidis; foliis alternis laete viridibus 
eulmum subaequautibus rigidulo-berbaceis longe angustatis planis 
carinatis superne margine earinaque scabris 3'/,—2 lin. latis; 
umbella semicomposita 10-—7-radiata explanata; involucri 5—4- 
phylli foliolis inferioribus umbella multo longioribus; radiis pa- 
tentibus setaceis, exterioribus 5—6-pollic. non raro tri- (raro 5-) 
ramosis, ramis capillaribus patentissimis subpollicaribus ; ochreis 
angustis ferrugineis ore subobliquis mutieis; spicis -orbiculato- 
ovalibus pollicem circ. longis atque latis; spieulis numerosis 
confertis, supremis erectis, reliquis reflexis setaceo-tenerrimis 
rectis 7—5 lin. long. 8—5-floris, squamis apice vix patulis an- 
guste oblongis obtusiusculis mutieis subtiliter multinervatis rufis, 
dorso angusto viridulis; caryopsi (non perfecte matura) elongata 
squama '/s breviore perangusta recta lineari utrinque attenuata 
triangulari dense granulata luteo-viridi; stylo abbreviato, stig- 
matibus exsertis subtilissimis ferrugineis; rachillae rectae alis 
latiusculis byalino-pallidis, 
