No. 3, January, 1922] TAXONOMY, VASC. PLANTS 213 



1396. Benoist, Raymond. Contribution k I'etude de la flore de la Guyane frangaise. 

 [Contribution to the study of the flora of French Guiana.] Bull. Mus. Hist. Nat. [Paris] 26: 

 351-357. 1920. — Miscellaneous notes are given concerning various species of the Samydaceae, 

 Turneraceae, Passifloraceae, and Caricaceae of French Guiana. Exsiccatae are cited. Cas- 

 earia Martini and C. umbellifera are described as new. — E. B. Payson. 



1397. Benoist, Raymond. Descriptions d'especes nouvelles d'Hypoestes de Madagascar. 

 [Descriptions of new species of Hypoestes from Madagascar.] Bull. Mus. Hist. Nat. [Paris] 

 26: 262-266. 1920. — The following species are described as new: Hypoestes Decaryana, H, 

 cruenta, H . Vigiiieri, H. setigera, and //. longituha. — E. B. Payson. 



139S. Benoist, Raymond. Plantes recoltees par M. Wachenheim en Guyane franfaise. 

 [Plants collected by M. Wachenheim in French Guiana.] Bull. Mus. Hist. Nat. [Paris] 26: 

 555-5G0. 1920. — The author gives a list of 67 species collected in the region of Maroni, near 

 the convict camp of Godebert. Duroia plicata and Maripa scandens Aubl. var. argentea are 

 described as new to science. — E. B. Payson. 



1399. Blake, S. F. Revisions of the genera Acanthospermum, Flourensia, Oyedaea, and 

 Tithonia. Contrib. U. S. Nation. Herb. 20: 383-436. PL 23. 1921.— Under this title 4 papers 

 are included, being revisions of the 4 genera of American Asteraceae named in the title. In 

 the firsts species of Acanthospermicm are described and the fruit of each illustrated, as well as 

 the floral details of the type species of the genus, A. australe. In the 2nd 23 species of Flouren- 

 sia are described. The 3rd paper describes the 13 known species of Oyedaea, one of which is 

 of doubtful status. The 4th describes the 10 known species of Tithonia. In each paper 

 the history of the group is briefly considered, followed by a technical description of the genus, 

 and keys to and descriptions of the species. The following new names occur : Acanthospermum 

 section Lecocarpopsis, A. Donii, A. simile, A. consobrinum; Flourensia hirta, F. polyclada, 

 F. Niederleinii, F. oolepis, F. leptopoda, F. angustifolia (DC.) Blake; Oyedaea scaberrima 

 (Benth.) Blake, O. wedelioides (Klatt) Blake, 0. reticulata, O. Rusbyi, 0. lanceolata (Rusby) 

 Blake, O. trachyphylla; Aspilia cupulata (Oyedaea angustifolia Gardn.), A. Bonplandiana 

 (Gardn.) Blake; Tithonia calva lancifolia (Robins. & Greenm.) Blake, T. diversifolia gla- 

 briuscula. — S. F. Blake. 



1400. Brown, N. E. A new book on Cactaceae, [Rev. of: Britton, N. L., and J. N. 

 Rose. The Cactaceae. Vol. 2. Carnegie Inst. Washington Publ. 248. vii + 239 p., 40 pi. 

 1920 (see Bot. Absts. 7, Entry 2194).] Nature 107: 580-581. 1921.— The work is regarded as 

 the first in English giving a complete account of the order and is much in advance of the Ger- 

 man works on these plants. Failure to mention exceptions in the keys is pointed out as a 

 fault. — 0. A. Stevens. 



1401. Btjscalioni. Lttigi, e Giuseppe Muscatello. Studio monografico sulle specie 

 americane del Gen. "Saurauia" Willd. [Monograph of American species of the genus Saurauia 

 Willd. (Continued).] Malpighia 28: 473-488. 1920.— The species Saurauia pseudopedun- 

 culata Busc. n. sp., S. barbigera Hook., and S. Waldheimia Busc. n. sp. are discussed in this 

 number. — Edith K. Cash. 



1402. Caille, 0., et H. Poisson. Note sur la culture en plein air de quelques Ehretia 

 et sur I'histoire des especes horticoles de ce genre. [Note on the culture in the open air of some 

 Ehretias and on the history of the horticultural species of this genus.] Bull. Mus. Hist. Nat. 

 [Paris] 26: 578-581. 1920. 



1403. Camus, Aimeb. Note sur la synonymie et la repartition geographique de quelques 

 Themeda. [Note on the synonymy and geographical distribution of some Themedas.] Bull. 

 Mus. Hist. Nat. [Paris] 26 : 423^28. 1920.— The present paper treats those species of Themeda 

 not considered in a recent paper by the same author. Specimens are cited, synonyms are 

 given, and the geographical distribution indicated for the various species. A dichotomous 



