ABSTRACTS. 



953 



covered with an irregular blotch of chocolate-brown, while the petals have 

 a similar blotch of a rich purple red. Introduced in 1900 by Messrs. 

 Linden, of Brussels. — C. C. H. 



Odontogrlossum x tentaculatum, Rchb. f. (Cogniaux in Diet. 

 Icon. Orch., Odojit. x pi. 9 ; 5/1901). — A natural hybrid, probably 

 between 0. hiteo-purpureum and 0. gloriosum, and thus a form of 0. x 

 Mulus. Introduced from Colombia by Messrs. Sander, of St. Albans, 

 and first flowered in 1883 with Baron Schroder. — G. C. H. 



Odontog'lOSSUm triumphans rubrum (Cogniaux in Chron. Orch. 

 p. 322; 5/1901). — Flowers with broad segments; sepals and petals deep 

 red, tipped with orange and veined with greenish yellow ; lip white below 

 with orange crest, deep red above. This form appeared with M. de 

 Lairesse, of Liege, in an importation of 0. crispum. — C. C. H. 



OdontOglossum Wilckeanum, Echb. f. By F. Kranzlin (Garten- 

 flora, p. 617, pi. 1,493 ; 1/12/1901). — A coloured plate and description of 

 the plant. — J. P. 



Omphalea megacarpa {Bull. Bot. Dep. Trinidad 31, p. 385 ; 

 October 1901). — A note confirming, after due trial, the properties of its 

 seeds as a safe and efficient purgative. — E. A.B. 



Oncidium Marshallianum aurantiacum (Cogniaux in Chron. 

 Orch. p. 322 ; 5/1901). — Flowers sulphur-yellow with pale brown bands 

 on sepals, and spots on petals, lower half of petals and lip orange-yellow. 

 From M. de Lairesse, of Liege.— C. C. H. 



Oncidium stellig'erum Ernesti, Williams (L. Linden in Lind. 

 xvi. pi, 743 ; 1/7/1901). — Introduced from Mexico in 1873; near to, if 

 not s^'n. with, 0. hastatum. It is interesting as a sort of link between 

 Miltonia, Onciduim, and Odontoglossum. This variety appeared with 

 Mr. Measures, of Camber well, in 1886. Flowers yellow, with large brown 

 spots ; lip with apical lobe deep rosy purple. — C. C. H. 



Oncidium tigrinum Montefiorse, Cogn. (Cogniaux in Diet. 

 Icon. Orch., Oncid., pi. 4b ; 3/1901). — From M. de Lairesse, of Liege. 

 A pale form of the type. — C. C. H. 



Oncidium tigrinum splendidum. Hook. f. (L. Linden in Liml. 

 xvi. pi. 747; 15/9/1901). — This variety was introduced into France 

 about 1850. Pseudo-bulbs smaller, bearing a single leaf ; flowers less 

 numerous, brilliantly coloured yellow and chocolate. — C. C. H. 



Oncidium varicosum Lindeni (L. Linden in Lind. xvi. pi. 752 ; 

 5/9/1901). — This lovely variety appeared with Messrs. Linden in 1899. 

 Lip rich yellow with a large maroon-brown area round the crest. 



C. C. H. 



Onion. By R. {Bull. Soc. Hort. Loirct, tome vi. No. 15, p. 695 ; 

 1901). — Fungoid disease of Onions traced to watering with manure 

 water. — E. A. B. 



