( 2061 ) 



Helicteres Isora. Nut-leaved Screw- 

 Tree. 



Class and Order. 



MONADELPHIA DoDECANDRIA. 



Generic Character. 



Cal. tubulosus oblique 3— 5-fidus. Cor. 5-petala. Germen 

 iongissime pedicellatum. Stylus subquinquefidus. Caps. 5, 

 uniloculars, polyspermy, spiraliter contorts. 



Specific Character and Synonyms. 



Helicteres Isora ; decandra foliis ellipticis subcordatis den- 

 tato-serratis acuminatis scabris subtus tomentosis, floribiis 

 axillaribus, fructu contorto apice subulate Willd. Sp. 

 PL 3. p. 721. Persoon Syn. 2. p. 239. 



Helicteres Isora ; foliis cordatis serratis, fructu composito 

 contorto. Sp. PL 1366. Hort. Cliff. 433. 



Fructus regis. Rumph. Amb. 7. p. 32. t. 17. / 1. 



Isora-Murri. Hort. Malab. 6. p. 55. t. 30. 



On comparing our plant with specimens from the East- 

 Indies, it appears to us to agree exactly with them, and not 

 with Helicteres jamaicensis, for which species this plant 

 has probably been taken, as it has, if we mistake not, been m 

 our gardens before the publication of the last edition of the 

 Hortus Kewensis, in which work Helicteres Isora does not 

 occur. The figure and description by Van Rhede, m the Hortus 

 Malabaricus, also agrees well with our plant, but those quoted 

 as representations both of jamaicensis and baruensis are very 

 different, having the stipes or column supporting the fructifi- 

 cation much longer and declined. The leaves of our plant very 

 much resemble in form and substance those of the hazle-nut ; 

 when young they are tomentose on both sides, but old leaves 

 lose their pubescence on the upper surface. The flowers are 



of 



