44 THE JOUIINAL OF 150TAXY 



done to the nasal mucosa (for it is obvious that an oily substance 

 M^iich will raise a severe blister upon the unbroken epidermis will 

 have a still more destructive action on the delicate ciliated epithelium 

 lining the nasal cavities, and on the underlying nerve-endings), 

 perhajDS suggesting new lines of treatment. It will also serve to 

 bring the phenomena into line with the well-known cases of Plant- 

 Dermatitis, which cover quite a wide range of plant-organisms in this 

 countr^'^, and Avhich present even more striking examples in the tropics. 



General Literature. 



Cooke and Vander Veere (1916), " Human Sensitization, part ii, Hay-Fever, 



am Anaphylactic Reaction," Journ. Immnnology, p. 222. 

 Cooke, Flood, and Coca (1917), " Hay-Fever," o^i. cit. p. 224. 

 Punbar (1903), " Zur Frage, betreffend die Aetiologie und spezifisclie Therapie 



des Heufiebers," Berlin, Klin, Wochenschr. xl. pp. 537, 561, 596 ; Deutsch. 



Med. Wochenschr. xxix. p. 149 ; (1911) 37, 578 ; (1907) Zeitschr. fiir Immun- 



tats, vii. 

 Oates (1915), " Development of Microspores in CEnothera" (Mutation Factor 



in Evolution, p. 170). 

 Macdonald (1917), " Hay Fever," Encyclop. of Medicine, p. 509. 

 Osborne (1909), " Vegetable Proteins," p. 94. 

 Prausnitz (1905), " Zur Natur des Heufiebergiftes und seines spezifischen 



Gegengiftes," Berlin, Klin. Wochenschr. xlii. p. 227. 

 Sequiera (1919), " Plant Dermatitis " (Diseases of the Skin, ed. 3, p. 91). 

 Ulrich (1918), *' Experimental Pollinosis," Journ. Immunology, p. 435. 



ALAB ASTRA DIVE RSA.— Part XXXII.* 

 By Spe^^cer Le M. Moore, B.Sc, F.L.S. 



1. PlA^T^E CoNGOE^SES l^OXM YEL RARIORES. 



Dr, Wernham has already (Journ. Bot. 1918, pp. 30S-313) 

 published descriptions of new Ruhiacece, from the Belgian Congo, 

 forming part of a collection brought to the Museum by Dr. Vermoesen, 

 Inspector of Agriculture in that country. An examination of the 

 Compositce and AcanthacecB lias yielded the results presented in tlie 

 following pages : — 



COMPOSITJ^, 

 MSUATA BUETTNERI O. Hoft'm. ^ 



Chenal ; Vanderyst, 4505. 



This is the representative of a monotyjMC genus hitherto absent 

 from the London herbaria. 



Triplotaxis stellultfera Hutchins. 



Boyeka, near Coquilhatville ; Nonnan, 95. 



One of the ])lants used to stupefy tish. 



Vernonia (§ Stenqelia) divulgata, sp. nov. Caule simplici vel 

 subsimplici e collo fuseo-villoso ascendente supeme nudo eximie 

 striato puberulo ; foliis sessilibus plerumqvie radicaUbus (prepaucis 

 saipe ex caule oriundis) oblongo-oblanceolatis vel obovatis obtusissimis 

 inferne in partem petioliformam basi dihitatam extenuatis firme 

 * Types of the species here described are in the National Herbarium. 



