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10,000 feet. A perennial forget-me-not whose flowers are sky-blue, with a yellow 

 eye. Beds of these plants, several square yards in area, are said to make a beauti- 

 ful appearance. For trial in all except the warmest and coldest parts of the United 

 States. {Glenn Dale, Md.) 



113847. NEOMAMMILLARIA ELONGATA.* (Cactaceae.) From Mexico. Collected at the 

 Botanical Garden, Mexico City, by Paul Russell and Max Souviron, Bureau of Plant In- 

 dustry. A very attractive erect cactus 6 to 7 inches in diameter, with short tuber- 

 cles having 16 to 18 yellow radial spines and small white or yellowish flowers. With 

 age, this cactus forms a small clump of stems. Native to central Mexico. For trial 

 outside in the milder parts of the southern United States and indoors elsewhere. 

 (Glenn Dale, Md. ) 



110948. OENOTHERA TETRAPTERA . Evening-primrose. From Colombia. Collected by W. A. 

 Archer, Bureau of Plant Industry. An ornamental plant a foot high, with deeply cut 

 leaves and flowers an inch across that open white in the morning and later turn 

 pink. The fruits are top-shaped and 4-winged. Of possible use in rock gardens. 

 For trial in the South and on the Pacific coast. (Glenn Dale, Md.) 



97775. OPUNTIA SP. From the West Indies. Collected on St. Kitts, Leeward Islands, 

 by Allison V. Armour Expedition, Bureau of Plant Industry. A small attractive form 

 with few spines, almost smooth, and peach-red fruits with red flesh which is sour but 

 refreshing. For trial indoors only except in the warmest parts of the Gulf region 

 and the Southwest. (Glenn Dale, Md.) 



112219. OPUNTIA SP. From Ecuador. Collected by Mrs. Ynes Mexia, Bureau of Plant 

 Industry. "Tuna". A rather attractive, erect, flat-jointed opuntia with dark blue- 

 green joints; the joints are narrow-oblong, up to 10 inches long, with short white 

 spines. The new growths are usually terminal. The color of the flowers is unknown 

 but the plant resembles 0. pittieri . For trial indoors only except in the Southwest 

 and in the Gulf region. (Glenn Dale, Md.) 



67087. ORTHROSANTHUS MULTIFLORUS . * (Iridaceae.) From Blackwood, South Australia. 

 Presented by Edwin Ashby, "Wittunga." A charming Australian irislike plant with a 

 short perennial rhizome, and flat, grasslike radical leaves up to 2 feet in length, 

 sky-blue flowers are in a several-flowered oblong spike, borne on a stem 1 to 2 feet 

 high and are open only in the morning. For trial in southern California and the 

 Gulf region. (Chico, Calif.) 



113775, ORTHROSANTHUS MULTIFLORUS. From Australia. Received through the Melbourne 

 Botanic Gardens, South Yarra. See preceding number (PI 67087) for description. 

 (Chico, Calif.) 



122113. OSBECKIA N^CPALENSIS . - (Melastomaceae . ) From India. Collected by Walter 

 Koelz, Bureau of Plant Industry. A handsome tropical plant, native to the Himalayas, 

 with a rough erect stem 1^ feet high and small, opposite, lanceolate, rigid leaves, 

 dark green above, light green beneath. The large purplish-rose flowers are borne in 

 terminal and axillary panicles or corymbs. Cuttings struck in the spring may make 

 good summer bedding plants. For trial under glass and in the warmest parts of Florida 

 and California. (Glenn Dale, Md. ) 



