﻿Plántete novae nonnullae. 137 



Species Xassauviae (strongylomatis) axillar. Don et 

 praecipue N. (strong.) patagonicae Speg. habitu valde 

 accedens, sed pappi defectu recedens et a genere ipso 

 rite separanda. 

 15. Verbena nubigena Speg., n. sp. 



Diag. Verbenaca, pachystachya, perennis humilis caespi- 

 tosa v. subpulviniformis, foliis parvulis pubescenti-liispi- 

 dulis praecipue ad apicem ramulorum dense imbricatis, 

 cuneato-triangiilaribiis, tripartitis, lobis planis subspathu- 

 latis obtusis, centrali integro, lateralibus saepius bifidis, 

 petiolum planum latiusculum superantibus, floribus aero- 

 genis capitato-congestis, corollis intense pulchreqiie cya- 

 neis parum exertis. 



Hab. In pratis alpinis prope nives perpetuas (4000- 

 5000 ni alt.) in Xevado de Cachi, -prov. Salta, Febr. 1897. 



Obs. Species pulchella in prima aetate habitu tíaxi- 

 fragae caespitosae L. simillima. Caudex lignosus crassus 

 5-20 mni crass.), in fissuris rupiurn infixus, ápice abrupte 

 caesioitoso-multiceps ; ranii prostrati (3-5 mm crass. ) non 

 v. vix radicantes, ligno albo non raedulloso, cortice fer- 

 rugineo squamose secedente vestito donati, in latere su- 

 pero plus rninus ve dense ramuligeri; ramuli quandoque 

 numerosissimi pulvinato-caespitosi, quandoque relaxa- 

 tuli subdiffusi, prostrati v. arcuato-adscendentes (3-10 

 cm long. == 0,7-1,5 mni crass.) simplices v. saepius plus 

 niinusve ramosi pallide ferruginei j)atentim hispidulo- 

 velutini, postice nudi v. remote foliosi, internodiis elon- 

 gatis (3-6 mm long.), superne dense imbricato -foliosi, 

 internodiis sensim abbreviatis summisque fere nullis. 

 Folia opposita, infera remota mox frustulatim evanida, 

 supera conferta subeapitato- congesta imbricata, sub- 

 crassiuscula subrigiclula, obscure viridia v. subrubescen- 

 tia, subtus et margine patentim, supra adpresse, liispidu- 

 la non v. vix canescentia, circumscriptione late triangu- 

 lari-cuneata (4-7 mm long. = 4-6 mm lat.), parte basi- 

 lari v. petiolari planiuscula brevi (1,5-2 mm long. = 1 

 mm lat. i, limbo (4-5 mm long. = 4-6 mm lat.) tripartito, 

 saepius concaviuscnlo, margine rotundato sed numquam 



