. 398 
322. €. Engelmanni Steud. 
Laete virens. Radice fibrosa tenui; enlmis pluribus v. 
solitariis compresso -triquetris Y.—1-pedal, (ad tripedak,, 
Gray) peunam anserinam crassis, basi pauci- (2—4-) foliatis; 
foliis enlmum saepins soperantibus memhranaceis perfecte 
plauis setaceo - aeuminatis latiusenlis (2—3 lin. lat.) margini- 
bus costa nervisque supra spinuloso-scahris; vaginis memhra- 
naceis pallidis sanguineo -punctalatis; umbella sub7radiata 
composita, radiis patentibus apice plariramosis suhsetaceis, 
exterioribas (4) 1-—% poll. long.; ramis approximatis brevis- 
simis divarieatis, inferiorihus braetea capillari subelongata 
praeditis; ochreis breviusculis ore obliquo apiealatis; involu- 
ero 4—6-phylio, phyllis infimis patentissimis 4—5 poll. long., 
interdam valde elongatis, ad sesquipedem longis; spieulis co- 
piosis confertis patentissimis filiformihus Zenerrimis prime 
compressis, articulatis, versus apicem acutum subilexuosis, 
longioribus llaceidis, 4—6 lin, long. 5—-8-floris, inferioribus 
braetea. capillari fultis; squamis suhdistichis remotis omnino 
liberis, adpressis, apiee — praesertim superioribns — patnlis, 
carinato -navienlarihus lanceolato-ohlongis acutiusenlis infra 
apicem minute mucronatis, dorso sab7nerviis, nervis tenuibus 
sed promiuulis, viridi-lutescentibus v. stramineis sangaineo - 
variegalis, marginibus membranaceis, carina viridi; caryopsi 
squama Yı breviore Ieyiter curvata tenui oblongo -Tincari tri- 
angulari breviter mueronata elevato-punetulata Zestaceo- fu- 
scescente; xhacheolae alis coriaceis marginihus suhmemhra- 
naveis, lönearibus apice rotundatis, fusceseentibus caryopsin 
omnino includentibus; stylo exserto tennissimo. 
C. Engelmanni Steud. 1, c. 47 (excl. deser.) A. Gray 
Man. 492. C. tenuior Engelm. mss. (fide Gray), 
St. Louis Amerie, septeutr, 
