. Carnegie Institution of Washington publication. THE CACTACEAE. the Halansa specimen (No. 2504, type) here, but not the name, while in his Keys of the Monograph of Cactaccae (p. 17) he recognizes ('. balansaci as well as (". bonplandii, referring to the former the Argentine species C. pomanensis. C 'crciis rhoJoceplialns Lcmaire (Cact. Gen. Nov. Sp. 79. 1839) is cited as a synonym of Cercns bonplandii. We do not know Cercns urca- iiinllins Forster, (Hamb. Gartenz. 17:166. 1861); it is recorded as orig- inally from Peru. Forster thought it might come next to Cercns bonplandii, but no spec
. Carnegie Institution of Washington publication. THE CACTACEAE. the Halansa specimen (No. 2504, type) here, but not the name, while in his Keys of the Monograph of Cactaccae (p. 17) he recognizes ('. balansaci as well as (". bonplandii, referring to the former the Argentine species C. pomanensis. C 'crciis rhoJoceplialns Lcmaire (Cact. Gen. Nov. Sp. 79. 1839) is cited as a synonym of Cercns bonplandii. We do not know Cercns urca- iiinllins Forster, (Hamb. Gartenz. 17:166. 1861); it is recorded as orig- inally from Peru. Forster thought it might come next to Cercns bonplandii, but no species of this relationship have heretofore been reported from Peru. Illustrations: Rep. Mo. Bot. Gard. i6:pl. 10, f. 3, 4, both as Cereus bonplandii. Plate xxiv, figure 2, represents a fruiting branch of a plant in the collec- tion of the New York Botanical Gar- den. Figure 227 is from a photo- graph taken by Dr. Shafer at Salta, Argentina, in 1917. 17. Harrisia guelichii (Spegazzini). Cereus guelichii Spegazzini, Anal. Mus. Nac. Buenos Aires III. 4: 482. 1905. Branching, high-climbing on trees, up to 25 meters long, the branches 3 to 5 cm. thick, 3 or 4-angled; ribs acute, un- dulate; radial spines 4 or 5; central spine i, stouter than the radials; flowers large, green without; scales on the ovary and flower-tube prominent, nearly naked in their axils; fruit globular, strongly tuberculate, spineless, red, 4 to cm. in diameter; pulp white, very sweet, edible. Type locality: In the Chaco, Argentina. Distribution: Argentina. We have a living specimen of this species brought by Dr. Rose from Argentina in 1915; from Dr. Spegazzini's description this must be the most elongated cactus known. Illustration: Monatsschr. Kakteenk. 19: 19, as Ccrcus guelichii. Figure 228 is from a photograph of a plant grown in the garden of Dr. Spegazzini, La Plata, Argentina. PUBLISHED SPECIES, PERHAPS OF THIS GENUS. CUREUS JUSBERTII Rebut in Schumann, Gesamtb. Kakteen 137. 1897. Eriofcrrus jiishcrlii
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