NOVA ADDENDA AD FLORAM PATAGOMCAM 53 



effusi, centralis erectus, plus minusve elongati crassiusculi 

 (5-20 cm long. = 3-5 mm crass.) ex albo virides subleretes 

 obsolete angulato-slriati, alterne v. di-v. tri-chotomeramulosi, 

 internodiis longitudine ludentibus (1-15 mm long.), ramulis 

 divaricalis v. arcuato-adscendentibus. Folia e viridi subglau- 

 cescentia apicem versus saepe purpurascentia glaberrima, 

 omnia alterna, sed Ínfima (in plantis novellis tantum inve- 

 nienda) pseudo-opposita (internodio brevissimo parum mani- 

 festó separata) linearia majuscula (12-15 mm long. =3-4mm 

 diam.) relaxata, suj3era minora (4-6 mm long. := 3-4 mm 

 crass.) confertiuscula, praecipue ad ramulorum apicem, ad 

 axillas saepe fasciculum foliorum parvulorum gerentia, omnia 

 basi e rotundalo subcuneata, ápice obtusisime rotundata, 

 dorso convexa, ventreapplanata, margine obtusa. Flores omnes 

 jam deflorati, ad axillas foliorum superiorum sessilesv. rarius 

 in ramulo axillari bifoliolato plus minusve elongalo acrogeni, 

 parvuli (5 mm long. = 3 mm lat.) glabri virides, ovario obo- 

 vato (3 mm long. = 3 mm diam.), .sepalis 4, duobus extimis 

 lateralibus majoribus linearibus (1,5-2 mm long. = 0,8-1 mm 

 lat.) obtusiusculis, duobus intimis minimis ovatis (0,8-1 mnn 

 long. = 0,5 mm lat.) acutiusculis, staminibus et stylis non 

 visis. Fructus elliptici utrimque acuti ()0-15 mm long. = 6-8 

 mm diam.) glabri virides v. saepius purpuraseéntes, sepalis 

 persistentibus et accretis ornatus, duobus extimis majoribus 

 (6-8 mm long. = 1 ,5-2 mm lat.) parum supra médium evolutis 

 ab intimis apicalibus minutis (3-4 mm long. = 1,5 mm lat.) 

 valde remotis, épica rpio tenui membranáceo mox frustulatim 

 evascente, ac endocarpio osseo mesocarpio setuloso-spongioso 

 vestido alque dense hispido-velutino; loculi in quoque fructu 

 pauci inordinali, saepe superpositi, difíbrmes compressi (2-3 

 mm diam.) embrione annulari sat magno, albumine albo fari- 

 noso centrali repleti. 



Species ab ómnibus mihicognitisdistinctissima.necquidem 

 comparanda. 



148. Hydrocotyle araucana Ph. Var. 'patagónica Speg. 

 Hab. Vulgata in uliginosis insularum fluminis Rio Negro, Jan. 



et Febr. 1898 (C. S.). 

 Obs. Varietasa descriptione typi(An . Un . Chil . v.LXXXV,f. 491 )cau- 



libusrepentibusatquepartibusomnibuiglaberrimisrecedeutia. 



