SPEGAZZINI: NOVA ADDENDA AD FLORAM PATAGONICAM. 297 



lerianam pertinere patefactus snm. Achaenia pallide viridia 

 (4-4,50 mm long. =2,50- 2,75 mnilat.) glaberrima, corona 

 caducissima 12 setularum. plumosnlarnm (7 mm long.) ornata. 

 Folia snbcarnosula semper ±: ve glaucescentia saepins parcis- 

 sime mínuteque denticulata, denticulis brevibus acutis sae- 

 23eque subretrorsis. 

 958, Valeriana chubutensis Speg,, n. sp. 



Diag. Perennis lierhacea glabra simplex, radice tenui, cau- 

 Itbus fistulosis e tereti tetragonis, foliis tenuiter membraceis, ra- 

 dicalíbus integerrimis ohlanceolatis subohtusiusculis longe 

 attenuato-petiolatis, caulinis acutis paucis remotis lonceolatis 

 basidzve late auriculato-connatis ibique subpiiberuUs, inferís 

 remote acutiusculeque multidentatis superis pinnatifidis, lobis 

 3-5-jugis, supremis linearibus, panicula parum ramosa con- 

 tractula bracteoUs linearibus obtusiuscuUs longiusculis, floribus 

 albis. achaeniis glaberrimis, corona setulis 12 plumosis effor- 

 mata. 



Hab. In uliginosis collinis seciis Garren -leofú, aest. 1900 

 (N. L). 



Ohs. Rhizoma subsuperficiale repens longiusculum flexuo- 

 sum (5-15 cm long. =3-4 mm crass.) dense nodulosum atque 

 comato-radicelliferam hinc inde arcuato-adscendens ac cau- 

 ligerum. Folia innovationum novellorum sterilinm subfasci- 

 culata erecta, glaberrima limbis oblanceolatis (50-100 mm 

 long. = 10-20 mm lat.) tenuiter membranaceis integerri- 

 mis ápice obtusiusculis v, rarius subacutiusculis, deorsnm in 

 petiolo anguste lineari applanatulo (1,5-2 mm lat.) parum 

 longiore (45-120 mmlong.) sensim attenuatis; folia caulium 

 f lorif erorum radicaba praecedentibus simillima mox arescenti- 

 evanescentia, subradicalia integra aproximata limbis oblan- 

 ceolatis (50-100 mm long. = 10- 20 mm lat.) acutiusculis in 

 petiolo 2-4-plove breviore sublatiore basi amplexicauli vix 

 connato glabro (10-25 mm long. = 3 - 5 mm lat.) angusta- 

 tis, caulina infera elliptico-lanceolata (75 - 150 mm long. = 

 12-24mmlat.) ápice sensim attenuato-acutata deorsum bre- 

 viter lateque angustata amplexicauli -auriculata, auriculis 

 brevibus obtusis, brevissime connata, margine ad apicem 

 usque remote dentata, dentibus linearibus acutiusculis v. ob- 

 tusiusculis (3-5 mm long. = l,5-2 mm lat.) utrimque 8-12 

 ornata, caulina media sessilia pinnatifida circumscriptione 

 subovato-lanceolata (40-50 mm long. = 15-20 mm lat.) ápice 



