. Carnegie Institution of Washington publication. ERDISIA. 105 Botanical Garden survived. It was first seen by him about 10 miles below Cuzco, along the railroad running to Juliaca, and was frequently observed a long distance below Cuzco, being easily recognized by its scarlet flowers, which in September were just appearing. In June 1914, EHwood C. Erdis collected living specimens 40 miles west of Cuzco, at 2,450 meters altitude, but these died. In November of the same year he again collected the species, this time in flower. In May 1915, O. F. Cook and G. B. Gilbert collected the plant at Oll
. Carnegie Institution of Washington publication. ERDISIA. 105 Botanical Garden survived. It was first seen by him about 10 miles below Cuzco, along the railroad running to Juliaca, and was frequently observed a long distance below Cuzco, being easily recognized by its scarlet flowers, which in September were just appearing. In June 1914, EHwood C. Erdis collected living specimens 40 miles west of Cuzco, at 2,450 meters altitude, but these died. In November of the same year he again collected the species, this time in flower. In May 1915, O. F. Cook and G. B. Gilbert collected the plant at Ollantaytambo, Peru, at an altitude of about 3,000 meters. These spec- imens were accompanied by both flowers and fruit, and some good habit and detail photographs were taken. Figure 154 is from a photo- graph taken by O. F. Cook at Ollantaytambo, Peru, in 1915; figure 155 shows portions of the plant photographed. 2. Erdisia philippii (Regel and Schmidt). Cereus philippii Regeland Schmidt, Gartenflora 31: 98. 1882. Echinocactus philippii Schumann, Gesamtb. Kakteen 427. 1898. Echinopsis philippii Nicholson, Diet. Gard. Suppl. 338. lyoi. Stems slender, cylindric; ribs 8 to 10, strongly tubercled; radial spines about 8, 10 to 12 mm. long; central spines much stouter and longer, cm. long; flowers 4 cm. long, campan- ulate, yellow below, reddish above; outer segments ovate, acuminate; inner segments oblong, acute; stamens in two distinct series, the outer arising from the base of the segments, the inner series united into a tube around the style; style included; stigma-lobes very short; ovary globular, bearing clusters of acicular FIG. 155.—Erdisia squarrosa. Type locality: Chile. Distribution: Known only from the type collection. This species has been described in turn under Cereus, Echinocactus, and Echinopsis, from all of which it is distinct. It is remarkable in having the lower series of stamens united into a tube. Illustrations: Gartenflora 31: pi. 1079, f. i, a, b
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