MACLOSKIE : REVISION OF FLORA PATAGONICA. 233 



S. Patagonia, on saline clay in the valleys of Rio Sta. Cruz and Arroyo 

 Scheuen. 



SACCARDOPHYTUM Speg. 



Calyx 5-merous, tubulo-campanulate. Corolla cylindric, obconical ; 

 margin open, with 5 weakly imbricate obtuse lobes. Stamens 2, arising 

 near base of tube, protruding. Disk o. Ovary outer angle. Stigma 

 3-lobed. Caespitose, with small scale-like leaves; small flowers, sessile 

 apically. 



S. PYCNOPHYLLOIDES (Speg.). 



Described as Benthamiella pycnopjiylloides in Macl., p. 713. 



S. Patagonia, on Rio Scheuen. 



The generic position is not cleared up. 



Cf. Engler und Prantl, die Nat. Pflanzenfam., Erganzungsheft, II, p. 310. 



Decumbent, unarmed shrub with a robust, long, vertical trunk-root, 

 sending out many horizontal branches, generally about 30 cm. long, flex- 

 uose, densely and intricately branching, branchlets robust, tuberculiferous ; 

 leaves fasciculate in the tubercles, small, glabrous, fleshy, subconcave or 

 subcanaliculate, polymorphous, lanceolate, oblanceolate, ovate-oblong or 

 sometimes cuneate, about 1-3 mm. long, sessile and with inconspicuous 

 nerves ; flowers small, shortly pediceled, solitary or two together in the 

 leaf-fascicles; calyx campanulate, glabrous, divided to the middle in 4 

 triangular lobes, ciliated at its margins ; corolla pale yellow, about three 

 times longer than the calyx, obconic, 4-lobed, with revolute lobes being 

 semiorbicular when spread out; stamens subexsert; style somewhat 

 shorter than the corolla ; berry nearly globular, miniate. 



Differing from the other species of this genus in its unarmed, depressed 

 branches. 



Add to Solanacece, p. 713: 



NICOTIANA Tourn. Tobacco. 



Calyx tubular bell-shaped, 5-cleft, enclosing the ripe capsule. Corolla 

 funnelform, with a long tube. Capsule 2-4-valved. Leaves entire, 

 clammy, seeds numerous, small. 



i. N. ACAULIS Speg. 



Syn. Petunia humifusa, described p. 710, no. 2. 



S. Patagon., Monte Leon near Rio Sta. Cruz; Mid-Patagon., along Rio 

 Chubut. 



