24 U R A C H N E BolomqHe. 



376. Trin. Act. Petrop. 1829. p. 73. A Monte Video usque ad fincs 

 rcgni Paraguayani (Sellow! ex NE.). 



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



simae , sesquipedalis , hicidae radiis binis ternisve, radiolisque basi 

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

 natis, inacqualibus, infcriore 2^ lincall; flosculo obovato, semili- 

 ncali, vcrrucoso-aspero, basi villis nicdium ipsius attingentibus 

 cincto; arista dcbili, rectiuscula, parum torta, ghunis 4 — 5-plo 

 longiori. 

 Stipa tricholoma N. ab Es. Agrost. Bras. (1829) p. 375 ubi descript. 

 Trin. Act. Pctrop. 1829. p. 73. Kunth Revis. Gram. 2. lab. 121 et 

 Agrost. syn. suppl. p. 139 u!)i descript. 

 Piptatherum macralherum N. ab Esl hb. 

 Monte Yideo (Scllowl); Mendoza (Gillies in hb. Lindlcyl). 



22. Urachne setosa Trin. Act. Petrop. 1834^. p. 124. Paniculae Unearis de- 



paupcratae contractae 2 — 3 pollicaris radiis adpressis, a basi fere 

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

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

 i>errucis paucis obscsso, basi villis fere medium ipsius attingenti- 

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

 torta, glumis subduplo longiore. 

 Stipa panicoides Lam. Illust. 1. (1791) p. 158. Poir Encycl. 7. p. 453. 



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



tcste Kunth 1830). ll.S. Syst. 2. p. 341. 



Oryzopsis setacea Richd. in Dict. class. 12. p. 445. cum tab. (planta 

 pumila). Kunth 1830 hoc syn. teste spec. Conunersonii ad Stipam pa- 

 nicoidem Lam. amandat. 



Stipa omta Trin. Act. Petrop. 1829. p. 73. Kunth. Agr. »yn. p. 181. 



