84 
patentibus yuam squamae longioribus membranaceis an- 
gusto- ovatis acuminato -rostratis, basi rotundata subspon- 
giosis breviter stipitatis dmmarginatis qubenerviis, rostro bi- 
dentato margine angusto scabro dorso profunde fisso, 
striolato-cellulosis Iutescentibus sesguiineum longis; caryopsi 
arcte inelusa suborbieulata ima basi eontracta lenticulari, 
margine acutiusenlo, abrupte apieulata euidenter eelluloso- 
reticulata obsolete longitudinaliter rugulosa flavida (ca- 
stanea, Boott); stylo hasi aequali. 
.C. alopecoidea Tuckerm. Enum. method. p. 18. — 
Boott, 26, t. 68. — Sartwell, no. 19, no. 74. — C. cephalo- 
phora v. maxima Dew. 
America septentr. 
26. C. conjuncta Beoeott. 
Rhizomate elongato repente crasso subnodoso brunneo, 
fibrillis numerosis rigidulis; eulmis strietis Haceidis 11a 
2'/, ped. altis (ad 3'/,-pedal,, Boott) ex acute triquetro 
eompressis latiuseulis, superne ad angulos serratis basin 
versus plurifoliatis; foliis latis glaucescenti-viridibus her- 
baceo-rigidulis subapproximatis culmo parum brevioribus 
et longioribus breviuseule angustato-acuminatis planis mar- 
ginibus superne subtiliter spinulosis, 4—3 lin. latis; vagi- 
nis tenui-membranaceis pallidis ferruginescentibus antice 
transversim corrugatis; spiea elongato -oblonga lanceolata 
v. subeylindracea acutiuscula inferne composita lobata, 
v. continua v. basi interrupta 1°/,—2"/, poll. longa basi 
6-4 lin. lata, viridi-stramines; spieulis numerosis, superio- 
ribus simplieibus eonfertis, inferioribus spieatim conglo- 
meratis bractea capillari-setacea ipsis pleramque multo 
longiore munitis; squamis hyalino-ınembranaceis albidis 
