12 



yellow, produces the scarlet color, and it is found that the 

 same red with the green produces the chocolate. 



A test was made of ordinary pi_o:ments by selecting 

 Hooker's green No. 2 and crimson-lake, which, mixed in 

 proper proportions, gave a chocolate identical with the color 

 of the Croton leaf. We would not presume for a moment 

 to limit the power of Nature to produce a brown by one 

 method alone, her resources being unlimited, but in the 

 present instance it seems to be a satisfactory origin of the 

 brown, for the color is firs^t met associated with green, an 

 earlier color, and not with yellow, as may also be seen 

 from the following : 



Epidendrum macrochlhim album, green ground, covered 

 with red-chocolate, lip white. 



Phajus Manni, deep, bronz^^-brown, bordered with green, 

 lip white. 



Anr/ra'cum caudatiim, brownish-green, lip white. 



About ten species of Cypripediums, known as Seleni- 

 pediums, are various shades of green and reddish-brown, 

 green being generally the ground color. Seven or eight 

 species of Zygopetalum are green, marl)led with brown or 

 purplish-brown, lips white or i)urple. 



Onddium Lucochilum, green, barred with chocolate. 



Brassia lanceana longissima, green, blotched with brown. 



Vanda Parishi and several other species are greenish- 

 yellow spotted with brown. 



Catasetum m,acroca')'2)}tm, greenish-yellow, covered with 

 chocolate-brown. 



(Jymhidium canaUci datum, brown with green margins. 



Euoninms Eurojxaus, occasionally seen in lawns, has 

 tiowers perfectly green in color, while E. afrojJ'itrjmreus, the 

 Burning Bush, much more common, has tiowers of a choco- 

 late-brown ; the latter color might be formed from the tirst 

 mentioned by merely the addition of red, and the brown 

 colored C(d;i/can(hus was doubtless also produced in the 

 same manner. 



