The Cactaceae : descriptions and illustrations of plants of the cactus family . irs;from the same cuttings a similar branch was developed, but 3-angled, like a juvenileHylocereus. Plate xxxix, figure 2, is from a plant collected at Zent, Costa Rica, by H. Pittier, whichflowered in the New York Botanical Garden, July 18, 1913. 3. Weberocereus panamensis sp. nov. Stems 1 to 2 cm. broad, strongly 3-angled or some joints flat; margins acute, indented; areolessmall, each hidden beneath a small thick scale, sometimes bearing 1 to 3 short weak spines; flower 4 to 7 cm. long; outer perianth-segments a
The Cactaceae : descriptions and illustrations of plants of the cactus family . irs;from the same cuttings a similar branch was developed, but 3-angled, like a juvenileHylocereus. Plate xxxix, figure 2, is from a plant collected at Zent, Costa Rica, by H. Pittier, whichflowered in the New York Botanical Garden, July 18, 1913. 3. Weberocereus panamensis sp. nov. Stems 1 to 2 cm. broad, strongly 3-angled or some joints flat; margins acute, indented; areolessmall, each hidden beneath a small thick scale, sometimes bearing 1 to 3 short weak spines; flower 4 to 7 cm. long; outer perianth-segments and inner scales yellowish green, erect; inner perianth-segments white, oblong; tube proper smooth and white within; throat 1 cm. long; stamens included;filaments white, a part attached to the lower face of the throat and a part to the upper margin;style white, included; stigma-lobes white (in wild state said to be purple); ovary tuberculate, green,with spreading scales, each subtending 4 to 8 long white hairs; fruit red, 2 to 3 cm. in diameter,tubercled, at least when Fig. 295.—Weberocereus panamen Collected in forest thickets along the Rio Fato, Province of Colon, Panama, July 1911,by H. Pittier (No. 3903) and flowered first in Washington in 1913. Plate xxxviii, figure 3, is from the type specimen, which flowered in the New YorkBotanical Garden, September 20, 1915. Figure 295 shows a fruiting branch collected byMrs. D. D. Gaillard at Lake Gatun, Panama, in 1913. 2l6 THE CACTACEAE. PUBLISHED SPECIES, KNOWN TO US ONLY FROM estrellensis Weber (Monatsschr. Kakteenk. 15: 167. 1905) is, accordingto C. Werckle, similar to Cereus nycticallus but weaker and more spiny. The stems are6-angled; the flowers are small, rosy to salmon-colored, and nocturnal. It is of Costa Ricanorigin, but is known to us only from this brief characterization and may belong to our genusWeberocereus. 7. WERCKLEOCEREUS Britton and Rose, Contr. U. S. Nat. Herb. 12: 432. 1909. Epiphyt
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