46 



Nimtiana acutifolia, green outside, white within. 



Cormis florkla, the bracts forniina" an involucre to the 

 diminutive flowers continue green till fully developed, 

 say two inches in length, then become pure white. 



Coraandra, green at the base of the petals has the upper 

 portion white, or but fi\intly tinged with green. 



(ireen leaves of Panicuni, Pandcnivs, Bef/ojiias. Gerani- 

 wns, Tradescantias, etc., have varieties with mar- 

 ginal borders or surface markings of white. 



FLOAVERS CHANGING FROM WHITE TO YELLOW% OH DARKElt 

 HUES TO YELLOW. 



Lonkera longijiora, pure white, changes in a day or two 

 to pure yellow ; also other s})ecies of this genus, of 

 different colors, as cream, pink, etc., change to 

 yelloW'. 



P/iaseolus, Lima bean, and common garden white varie- 

 ties, change to yellow. 



AngrcEcum citraium, white, changes to citron-yellow. 



Odontoglossum Harryanuni, brown and yellow, front lobe 

 of lip pure white, changes to yellow. 



(Joelogyne Dayana, white, becomes tinged with yellow 

 liy age, 



PJatydines glnmaceum, wholly white except minute yel- 

 low lip. 



Sohralia leiicoxantha, white, lip golden-yellow. 



Nexilielajphyllum jyaldirum, green, lip white. 



Dendrohium thyrsijlorum, white, lip orange-yellow. 



Lycaste Skinneri, alba, white, li}) primrose-yellow. 



CcMleya citrina, yellow, tip of lip white. 



Tliunia Dodgsoniana, white, lip bright yellow. 



Bollea LaUndei, bluish-purple, lip golden-yellow. 



Mlna lobata, Bud crimson, changes through orange to 

 pale yellow as it expands. 



Cohdea arhorescens, Bud reddish-l)r()wn, through orange 

 or salmon to a clear yellow. 



