494 MR. J. G. BAKER ON THE 
small leaflets interspersed amongst the large ones. Flowers in lax 
compound terminal cymes, just as in S. tuberosum and S. Maglia ; 
pedicels long or short, articulated about the middle. Calyx i-i 
in. long; teeth deltoid or lanceolate-deltoid, as long as the tube. 
Corolla 3-3 in. long, pale lilac or white, the lanceolate-deltoid 
Segments quite as long as the tube. Anthers orange-yellow, 
longer than the corolla-tube. Style always distinctly exserted 
beyond the anthers. Berry not seen. 
The specimens I have seen which belong to S. Commersoni are 
the following, viz. :—(1) Gibert, 110, * Montevideo ;” (2) Gibert, 
906, “in silvaticis ad ripas Santa Lucia, Uruguay, Mch. 1869 ;” 
(3) Gibert, 42, “ Parana, May 1856. Vulgo Batatilla. Croit 
dans les lieux humides. Le tubereule a absolument le gotit de 
la pomme de terre ordinaire ;” (4) Gibert, 54, “ Montevideo, 
Mars 1858;” (5) Tweedie, received in 1837, * This variety of 
the Pampas is finely scented ;” (6) Balansa, 2103 of his Paraguay 
distribution: *Spontané? Rhizome produisant des tubercules 
gros comme des noix. Fleurs blanches, L’ Assomption, sur les 
bords humides des chemins, juin 1875 ;” (7) Lorentz, 966 of his 
“ Flora Entreriana, Concepcion del Uruguay, 2 1877" (Grisebach's 
note on the plant in ‘Symbolæ Argentine,’ p. 24, is * Tubera 
purgantia: eorolla alba: Entrerios, ubique in campis post plu- 
vios") ; (8) Gibert, 962, « Montevideo, inter rupes maritimas, 
Maio 1868 ;" (9) Montevideo, Coll. M. Isabelle, from herb. Gay ; 
(10) Gillies, “hedges, Buenos Ayres, May 1820;” (11) Capt. 
King, “ Montevideo ;” (12) Gibert, 263, “ Bords du Rio Negro, 
prés des Mercedes, sables, très commune, avril 1867 ;" and (13) 
Four specimens from the Berlin herbarium gathered by Sello, 
with a printed label * Brasil" (many of the plants distributed 
with this label were really gathered at Montevideo). 
SoLANUM OHRONDII, Carrière, which is fully described and 
figured in the * Revue Horticole,’ 1883, pp. 496-500, figs. 99-100, 
is clearly identical with S. Commersoni. Tubers of it were lately 
brought by M. Ohrond, a surgeon in the French navy, from the 
island of Goritti, at the mouth of the Rio de la Plata, and grown 
at Brest by M. Blanchard, gardener-in-chief of the Marine Hos- 
pital, who gives his experience of it as follows :— 
" From the time of its importation I have cultivated the plant, 
or rather left it to itself to grow, for it is almost impossible to 
destroy it when once it has become established in a piece of 
