24 U R A C H N E Bolanique. 



376. Trin. Act. Petrop. 1829. p. 73. A Montc Video usque acl fincs 

 rcgni Paraguayani (Scllow! ex NE.). 



21. Urachne tricholoma Trin. Act. Pctrop. 183V. p. 12^. Paniculae amplis- 



simae, scsquipedalis , lucidae radiis binis tcrnisvc, radiolisqiic basi 

 nudis, spiculas paucas (sub 2) gcrentibus; glumis caudato-acumi- 

 natis, inacqualil)us, infcriore 2J lincali; flosculo obovato, semili- 

 ncali, verrucoso - aspero , basi villis mcdium ipsius attiugcntibus 

 cincto; arista debili, rectiuscula, parum torta, glumis ^ — 5-plo 

 longiori. 

 Stipa trichotoma N. ab Es. Agrost. Bras. (1829) p. 375 ubi dcscript. 

 Trin. Act. Petrop. 1829. p. 73. Kunth Revis. Gram. 2. tab. 121 c\ 

 Agrost. syn. suppl. p. 139 ubi descript. 

 Piptatherum mncralherum N. ab Esl hb. 

 Monte Video (Sellow!); Mendoza (Gillies in hb. Lindley!). 



22. Urachne setosa Trin. Act. Pctrop. 183'*. p. I2i. Paniculae linearis de- 



paupcratac contractac 2 — 3 pollicaris radiis adpressis, a basi fere 

 spiculigcris; glumis longc acuminatis, trilincalibus , coloratis; flos- 

 culo obovato, hinc gibbo, glumis subduplo brcviorc, striato et apice 

 verrucis paucis obscsso, basi villis fcre mcdium ipsius attingcnti- 

 bus cincto; arista firma, rectiuscula, dein flcxuosa et quidpiam 

 torta, gbimis subduplo longiore. 



Stipa panicoides Lam. lUust. 1. (1791) p. 158. Poir Encycl. 7. p. t53. 

 (in planta Lamarckiana valvula infcrior fusca, striata, vix tuberculata 

 teste Kunth 1830). R.S. Syst. 2. p. 3V1. 



Oryzopsis selacea Richd. in Dict. class. 12. p. kk5. cum tab. (planta 

 pumila). Kimth 1830 hoc syn. teste spec. Gommcrsonii ad Stipam pa- 

 niroidem Lam. amandat. 



Stipa ovata Trin. Act. Petrop. 1829. p. 73. Kunth. Agr. $yn. p. 181. 



