OPHRYS X HYBRIDA 347 
L'Obel, based his groups on well-marked characters of general form, 
anner of growth, and economic use, neglecting those afforded by 
ar from and embryo; 
Robert Morison (1620-1 683) whose work on Umbellifere is shown 
as the first systematic monograph of a limited group; John Ray 
(1627-1705), who “by his recognition of the importance of the 
inaugurated a natural system of classification’; Tournefort (1656- 
1708), whose eae: al artificial, but who accurately defined 
genera; Linneus (1707-1778), the inventor of | ominal nomen- 
clature and co- ator a all plants then known; Adanson (1727- 
1806), whose genera for some reason not easily isietdadle have 
. de Jussi 
affinities onent 
System”; Stephan “Bndlicher (1804-1849), whose Pa hpersae shows 
an advance in the treatment of Cryptogams; Wilhelm Hofmeister 
(1824-1877), whose work supplied the basis for died distinction of 
k 
us, elaborated the Genera Plantarum; and Prof. Engler, whose 
Syllabus ae the latest and most generally accepted view of 
plant classificatio 
Apart from the exhibition, the Guide has a permanent interest, 
which is increased by four illustrations—portraits of Ray, Linneus, 
and Brown and a reproduction of Ehret’s plate illustrating the 
twenty-four classes of the sexual system, the original drawing for 
i ibi The Guid 
Natural History Museum, Cromwell Road, costs 4d., by post 5d. 
By the courtesy of the Museum authorities we are enabled to repro- 
duce the portrait of Brown. 
OPHRYS x HYBRIDA. 
Tuere have recently been placed on view in the Botanical 
Gallery at the Natural History Museum specimens of Ophrys x hy- 
about the end of fire last year. An account of this ne rae 
orchid was given by Mr. R. A. Rolfe in the journal mention 
° 2 
