NOVA ADDENDA AD FLORAM PATAGONICAM 177 



cm long. = 1 mra crass.) teres glabrum nudum albura v. ro- 

 seum, sparse remoteque nodulosum V. ramosum; rami aerei 

 verticales superficem soli attingentes sed parum exerti, breves 

 (25-40 mm long. =1 mm crass.) in parte solo infossa lon- 

 giore nudi, in parle exerta breviore simplices v. rarius a basi 

 bi-v. tri-fidi, dense fasciculato-foliosi, ápice capiluligeri. Folia 

 conferta erecta v. rosulatim patientia, angusle linearía (15-20 

 mm long. = 0,5-0,8 mm lal.) integerrima viridia, sursum 

 vix sublatiora ápice rotundata v. brevissime attenuata, ima 

 basi in pericladio triangulan párvulo modice dilátala, ventre 

 canaliculata, dorso obsolete carinulata. Capitula floraba in 

 ápice ramorum aéreorum sessilia hemisphaerica(6-8 mm alt. 

 = 9-10 mra diam.), involucro viridi monophyllo turbinato ad 

 raedium fere usque 6-12-inciso, 'dentibus triangularibus 

 ápice acutiuscule obtusatis, receptáculo centrali conoideo pár- 

 vulo, palei nullis v. 3-4 tantura marginalibus late foliaceis 

 cum denlibus involucris plus minusve connatis, floribus 40- 

 50 donata. Flores albi (5 mra long. = 1 rara diam.) teretes, 

 ovario brevi acule 3-5-gono (2 mm long.) denlibus caljcinis 

 triangularibus brevissirais oblusiusculis, corollis albis subcy- 

 lindraceis (3 mm long.) deorsum vix attenuatis, dentibus 

 (1 mm long.) o ovalis oblusiusculis, antheris flavis inclusis, 

 slylo filiformi loiigissime exerto. Fruclus desiderati.sed invo- 

 lucri lobis post anlhesin saepius in appendice lineari eorura 

 longiludinem aequante produclis. 



191. Boopis LEPTOPHYLLA Speg., n. sp. 



Diag. Glaberrima elata, foliis radicalihus confertis praelongis 

 linearilius obtusis, integrisv. in parte supera lobis v. dentibus 

 2-3 utrimque donatis, scapis erectis angulato-striatis, remote 

 ¡oliosis, ápice grosse capituligeris, capitulis nonnullis minoribus 

 longe pedunculatis ex axillis foliorum superiorum additis, in- 

 volucro 5-8-fido laciniis elongatis obtusis. 

 Hab. In sabulosis uliginosis prope Kman-aik, secus Rio Chico, 



Febr. 1898(C. A.). 

 Obs. Radix... ; folia radicaba numerosa conferta rosulantia pa- 

 tenlissima linearía (50-200 ra m long. = 2-4 mm lal.) glaber- 

 rima subcrassiuscula viridia utrimque plana atque ñervo pal- 

 lescente ad apicem fere usque perspicuo percursa, quandoque 

 integerrima, quandoque in parte supera denlibus duobu s 



AN. SOC. CIENT. ARG. — T.|XLVI1I 12 



