84 



CISTUS ladaniferus . albiflorus. 

 White-flowered flat-leaved Gum Cistus. 



Sect. II. LEDONIA. Supra foL 1. 



2. Pedunculis bracteatis, bracteis caducis decussatis, inferioribus 

 minoribus unifloris, axillaribus solitariis vel terminalibus umbellatis ; 

 calycibus 3-sepalis ; capsulis 5-W-locularibus. 



* Stigmate magno sessili. 



C. ladaniferus, foliis planis subsessilibus basi connatis lineari-lan- 

 ceolatis trinerviis supra glabris nitidis subtus tomentosis reticu- 

 lato-venosis, capsulis 10-locularibus. Supra foL 1. 



Cistus ladaniferus. Linn. spec. 737. Pers. syn. 2. p. 75. Link enum. 

 2. p. 74. DC. prodr. 1. p. 266. Spreng. syst. 2. p. 585. 



a. albiflorus, petalis omnino albis. Ledon 1. Clus. hist. 1. p. 78. ic. 

 Supra. 



12. maculatus, petalis albis, basi macula atrosanguinea notatis. Supra 

 foil. t.l. 



Stem shrubby, erect, branching : branches slender, 

 thickly clothed with a glossy viscous substance. Leaves 

 nearly sessile, slightly connected at the base, flat, some- 

 times reflexed, linearly lanceolate, acute, 3-nervedfrom 

 the base ; upper side smooth and shining, viscous ; clo- 

 thed underneath with a white dense tomentum, reticu- 

 lately veined. Flowers terminating the branches, soli- 

 tary, large, white. Bractes 6, opposite, crossing each 

 other : the four lower ones leaf-like, dilated and con- 

 cave at the base, fringed ; 2 upper ones membranace- 

 ous, obovate, taper-pointed, concave, ciliate. Calyx of 

 3 sepals, that are cordately ovate, acute, concave, stria- 

 ted, fringed on one side; the other side smooth. Pe- 

 tals 5, broadly obovate, margins uneven, white, tinged 

 with yellow a little above the base. Stamens numerous ; 

 filaments smooth, attached to the base of the anthers, 



