•SPEGAZZINI: NOVA ADDENDA AD FLOEAM PATAGONICAM. 181 



fnscis integris (v. rarissime subfibrose solutis) cíense vestiti, 

 acl snperficem terrae fasciculum foliorum cincti, foliis parum 

 breviores v. Jongiores, masculi simplices ápice tantum recte 

 monostacliyi, foeminei iii parte subterránea parce ramosi, 

 ramo mediano exerto elongatnlo recte saepius moriostacliyo 

 ceteris gracilioribus breviorib^^sql■le non exertis monostachyis, 

 omnes in parte libera rigidnli recti v. vix- inciirvi sub- 

 teretes, costulis 1-4: validioribns subangulatis, inter costas 

 striato-sulcati glabri non scabri, laete virides (10-50 

 mm long. = 1-1,5 mm diam.). Folia numerosa circiter 20 

 in quoque culmo, vaginis tenuibus, extimis badiis v. fulvis 

 arete adpressis ómnibus limbiferis integris v. vix in se- 

 nectute j)arce fibrose solutis, intimis pallide subalbescen- 

 tibus margine orali subhyalinis atque in ligula augustísima 

 membranácea hyalina productis, limbis erectis v. patentiuscu- 

 lis rigidulis laete v. pallide viridibus, ad epipbyllum subni- 

 tidulis medioque sulcatis, ad liy^^ophyllum opacis subglauce- 

 scentibus ±: ve validiuscule carinatis, 11-13-nervulosis, lineari- 

 bus e basi (2,5-3,5 mm lat.) sensim angustatis Í26-90 mm 

 long.) sursum in acumine obtusiusculo triquetro productis, 

 margine laxe obsoleteque scabrido-papillulatis. Spicaemascu- 

 linae solitariae recte terminales erectae cylindraceo-fusoideae 

 (16-25 mm long. = 5-6 mm diam.) utrimque acutiusculae 

 ebracteatae, squamis majusculis spathulatis, inferís latissimis 

 (9 mm long. =4-5 mmlat.) obtusissimis subretusis, suj)erís 

 sensim angustioribus (7-8 mm long. = 2-2,5 mm lat.) rotun- 

 datis non v. vix mucronulatis, 1-nerviis, dorso badio-purj)ureis, 

 ñervo virescente carinatulis, ambitu tenuiter late (suj)eris) v. 

 latissime (inferís) liyalino-marginatis; staminibus 3, filamentis 

 tenuissimis glabris liyalinis (10-15 mm long.) antlieris linea- 

 ribus magnis (6 mm long.) flavis. Spicae foemineae 3 v. 4, 

 centralis major in scapo saepius solitaria recte terminalis (ra- 

 rissima altera minori sessili ad basin ornata), ceterae 2 v. 3 ad 

 basin scapi ad os vaginarum fere occultae parum minores 

 (8-10 mm long. = 4-5 mmdiam.) sessiles v. ± ve longe (5-30 

 mm long. ) pedicellatae sed pedicellis vaginis foliorum abscon- 

 ditis, ebracteatae sed squama Ínfima acutiore saepeque lon- 

 giore atque magis herbácea, ceteris arete imbricatis, illis 

 spicarum mascularum simillimis etsi parum brevioribus an- 

 gListioribus (6-8 mm long. =2,5-3 mm lat.) pallidioribusque, 

 -sed eximie lateque liyalino-marginatis atque 1- nervoso -cari- 



