276 
#. Suhbnedosus; radice fibrosa; culmo pedali subnutante 
tenui subtrigono, infra apicem triquetro, obsolete noduloso basi 
inberascente; vaginis approximatis subomnihus foliatis; foliis 
rigidulis carinato-complicatis acutis; umbella depauperata, 4— 
5-radiata, 
C. subnodosus Nees et Meyen in herb. Berolin. 
Peruvia. 
209. €, laxtflorus Poir. 
Culmo triangalari nudo (teste Poir.) superne pennam gal- 
linaceam crasso, duro; umhella simplici multiradiata; radiis 
ereberrimis ereclis omnibus elongatis sed inaequalibus, lon- 
gioribus 9-—-8 poll. long., complanatis superne marginibus 
scabris, apice 9— 13-stachyis; involueri poyphylii foliolis 
abbreviatis, 7—1 poll. long., erectis rigidis linearibns acumi- 
natis margine et carina seaberrimis, basi angnste auriculalis, 
fuscescentibus; involucellis subdiphyläis brevibus; ochreis lon- 
ginseulis fuseis angustis ore bidentatis, anguste hialatis, alis 
scahris; spienlis fascienlato - confertis erecto -patnlis tennihus 
teretinsculis acutis 7—5 lin. long. 10-—6-Noris; sqnamis re- 
motis apice patulis chartaceis oblongis obtusis naviculari-con- 
vexis obsolete carinatis snbtiliter subseptemmnerviis rabre - fus- 
eis dorso viridulis; stylo exserto. 
€. Taxiflorus Poir. — Kunth 1. c. 56. — Willd. herb, 
no. 1343. 
Madagascar. 
210. €. corymbosus Rotth. 
Rhizomate repente; culmo 11/,—3-pedali et altiore sub- 
spongioso, angulate, augulis ahtusiuseulis v. acntis, non raro 
pl. m. eompresso, enodi, vaginis aphyllis longis inferne vestito, 
basi taberascente; involucro 3---6-phylio, phyllis umbella paulo 
