56 



* C. (CoNFERTus) BiUNCiALis Aucls. ]. C. p. 156: radice iibrosa, culmo erecto vel curvato, 

 1 — S-unciali, basi paucifoliatu; fuliis culiiium suba^quantibus, excurvatis, involucro 3- 

 phyllo; uinbella conglonierata; rachiola imiiiarginata; squaruis elUpticis cuspide breviori 

 subexcurvato acutiusciilis, margine siiperiori deiitatis, iitrinque 4-nerviis; stylo trifido; 

 caryopsi triangulari, puiictulata. 



Hab. locis arenoso-siccis regioriis medise insula? Charles (Ipse). 



Statura huinilis, simpliriuscuius, hvte tuscescens. Culnii solitarii v. subca-spitosi, erecti, apice ourvati, 

 triangulares, in inedio lateruiii (.■o.sta siniiilici iiotati, glabenimi, basi foliis 2 — 5 stipati. Folia basi vagi- 

 uaiitia, vix eulimim eequantia, curvata, U lin. lata, apicem versus niarginibus et carina scabriuscula, cete- 

 ruin glaberrima. Involucri folia tria, quoiuni tertium mininnim, niaxinuim tasciculuin spicarum duplo tri- 

 plove superans. Umbella in glonierulum e spicis 4 — 8 formatum contracta; rachiola vix marginata, gla- 

 berrima. Spicse 4 lin. longse, rectse, lineares, acutte, fusco-brunnese : squamae late ovatae, lateribus convexis 

 rotundato-dilatatis infra cuspidera carina;' sinuato-infiexis, castaneo-fuscte, margine exteriore pallidiores, 

 utrinque 4-nervia', nervis ante margineni desinentibus. Filamenta planiuscula caryopsi duplo longiora. Sty- 

 lus profunde trifidus; stigma simplex. Caryopsis triangularis, lateribus obsoletius concavis, angulis non 

 arutis, cinereo-nigrofusca, puiictulata, nitida, rostrata. 



(iuibus notis a pra-cedente, quocura niaxime atliiiis, distinguatur jam supra exposuinuis. 



95. C. RUBiGiNOSus Hool: fil. 1. c. 178. 



Hab. in insula Charles (Darwin). 



96. C. GRANDiFOLius Ands.: rhizomate repente, culmo elato, stricto, triquetro, glabro, basi 

 foliato; foliis latissiniis, planis glabris, margine serratis; involucro 7 — 10-phyllo, foliis 

 longissimis; umbella fere 20-radiata; fosciculis racemosis, 1 — 2 uncias longis; rhachiola 

 non alata; spicis divaricatis, 6--10-floris; squamis dissitis, obtusis v. mucronulatis, late- 

 ribus 3-nerviis. 



Hab. ill fossis aqua repletis regionis medite insuhe Chatham, Panici fluitantis socius 

 (Ipse). 



Rhizoma late repens, fibras radicales validas fuscas glabras emittens. Culmus tri-quadripedalis, 3 lin. 

 crassus, triangularis, lateribus planis striatis, marginibus glabris, basi infima foliis numerosis dense stipatus. 

 Folia culmura subsequantia, basi saltem unciam lata, plana, costa media elevata, Irete virescentia, utrinque 

 "laberrima, margine scabra, erecta, acutissima. Involucri folia 7—10, longissimum umbellam duplo superans, 

 fere bipedale, omnia margine scabra plana. Umbellae radii 12 — 20 valde inrequales, basi nigrescentes, in- 

 crassati, vix lineam crassi, maximi 9 uncias longi. 1 — 2 vix producti, apice simplices vel longissiuii inter- 

 dum trifidi. Fasciculus e spicis in rachi communi distichis vel subverticillatis oppositis et liorizontaliter di- 

 varicatis compositus, 1 — 2 uncias longus, unciam latus, plano-compressus. Rachis et rachiola angulatw non 

 ålat». Spica3 lineares compressiuscula?, 6 — lO-florre, floribus remotis. SquarafB ovato-lineares, obtusa;, 

 nervö medio vix cariuat* v. sub apice mucronatse, lateribus ssepe apicem versus erosis forrugineis, angustis- 

 sime hyalino-marginatre, utrinque o-nervia. Stylus brunnens, ad medium trihdus; stigmata siniplicia brun- 

 nescentia. Caryopsis oblonga, triangularis, lateribus planis, margine interiore curvato nigresceute, seriatim 

 punctata v. striata, minutissime apiculata. 



Est liabitu omnino americano vel indico, ut vix indigeiius crederetur. Maxiine affinis C. AURICULATO 

 ex insulis Sandwicensibus; ab eo tamen culmo elatiori, foliis latissimis, spicisque differt. 



COMMELYNACEJi: R. Br. Bard. 



44. COMMELYNA. 



Dillen. Hört. elth. 93. Emil. gen. n. I0:'8. 



97. C. AGRARiA Kunth. enum. IV, p. 38. 



Hab. in insulis James et Charles {Darwin). 



