84 TAXONOMY OF VASCULAR PLANTS [BoT. Absts., Vol. VII^ 



538. ScHLECHTER, R. Onciditim X BurgeflSanum Schltr., eine interessante neue Kreu- 

 zung. [Onciditim X Burgeffianum Schltr., an interesting new hybrid.] Orchis 13:29-30. 

 1919. — This hybrid has for its parents Oncidium Marshallianum Ldl. and 0. varicosum Ldl. — 

 E. B. Payson. 



539. ScHLECHTER, R. Vandanthe Tatzeri Schltr. n. hybr. Orchis 13:52-53. 1919.— A 

 hybrid between Vanda tricolor Ldl. and Euanthe Sanderiana (Rchb. f.) Schltr. is described 

 and illustrated. — E. B. Payson. 



540. ScHLECHTER, R. Ein seltenes Grammatophyllum. [A rare Gramma tophyllum.] 

 Orchis 13 : 54-55. 1919. — Grammatophyllum papuanum J. J. Smith is described and illustrated. 

 — E. B. Payson. 



541. ScHLECHTER, R. Die Gattung Brassavola R. Br. [The Genus Brassavola R. Br.] 

 Orchis 13 : 40-46, 58-62, 71-79. 1919. — The genus Brassavola is described, and an outline of 

 its taxonomic history given with notes as to its geographical distribution. The sections 

 Eubrassavola, Prionoglossum, Conchoglossum and Cuneilabium are proposed and under each 

 section are listed their species with descriptions and synonomy. The following new species 

 are described and new combinations made: B. multiflora, B. nodosa Lindl. var. rhopalor- 

 rhachis {B. rhopalorrhachis Rchb. f.), B. scaposa. — E. B. Payson. 



542. Sedgwick, L. J. The Cyperaceae of the Bombay Presidency, Part II. Jour. Bom- 

 bay Nat. Hist. Soc. 26: 192-209. 1918. — A general systematic consideration with keys and 

 descriptions of the genera and species, covering the genera Courtoisia, Fimhristylis, Steno- 

 phyllus, Eleocharis, Scirpus, Eriophorum, Fuirena, Lipocarpha, Remirea, Rhyncospora, 

 Hypolytrum, Scleria, Carex. The first part was published in the preceding volume. No new 

 names appear. — E. D. Merrill. 



543. Sedgwick, L. J. Reduction of Euphorbia Rothiana Sprengel, of the Indian floras. 

 Jour. Bombay Nat. Hist. Soc. 26: 599-600. 1919. — The above Indian species, as hitherto 

 interpreted, is referred in part to Euphorbia laeta Roth and in part to E. oreophila Miq. — 

 E. D. Merrill. 



544. Sedgwick, L. J. On the species of Zizyphus in the Bombay Presidency. Indian 

 Forester 45: 67-74. 1919. — Critical notes on seven species of Zizyphus occurring in India are 

 given, with characteristics for field identification and distribution. Two forms of Z. Oenoplia 

 Mill, are distinguished as forma robusta and forma mollis. Z. Xylopyrus Willd. var. glaber- 

 rima is tentatively proposed as a new variety. The suggestion is made that Z. Xylopyrus 

 Willd. var. micocarpa may be a hybrid between Z. Jujuba and Z. Xylopyrus. — E. N. Munns, 



545. Shreve, Forrest. Monograph of the Cactaceae. [Rev. of: Britton, N. L., and 

 J. N. Rose. The Cactaceae; descriptions and illustrations of plants of the cactus family. 

 Vol. I. Carnegie Inst. [Washington] Publ. 248. 1919.] Plant World 22: 270-271. 1919. 



546. Sprague, T. A. Dolichandrone and Markhamia. Bull. Misc. Inf. Kew 1919:302- 

 314. 1919. — These bignoniaceous genera are contrasted, and under each genus are listed the 

 species attributed to it. Detailed synonomy together with distributional and ecological 

 notes is included for the various species. The following new combinations and new variety 

 occur: Dolichandrone atrovirens (Bignonia atrovirens Heyne), D. alba (Spathodea alba Sim.), 

 Markhamia stipulata Seem. var. Kerrii, M. obtusifolia (Dolichandrone obtusifolia Baker). — 

 E. Mead Wilcox. 



547. Staff, O. Gunnera manicata and brasiliensis. Bull. Misc. Inf. Kew 1919: 376-378. 

 1919. — Gunnera brasiliensis Schindler is considered synonymous with G. manicata Lindl. — 

 E. Mead Wilcox. 



