28 Prof. Bailey on the Crystals found in Plants. 



Table C. 



Dicotyledonous plants containing form C, — conglomerate raphides. 

 (Figs. 15, 16.) 



Araliaceje, Aralia spinosa. In cells of liber. 



Hedera helix. 

 BiGNONiACEiE, Catalpa cordifolia. 

 Cactace^, Opuntia vulgaris. Bunches large, and abundant. 



Echinocactus. I am informed by my friend E. J. 

 Quekett, that two thirds of the weight of a dried 

 Echinocactus was found by him to be composed of 

 crystals in bunches. 

 Caprifoliaceje, Viburnum pubescens. 

 Diervilla Canadensis. 

 Symphoria racemosa. 

 Sambucus Canadensis. 

 Frankeniaceje, Frankenia Isevis. Form A also. 

 EuPHORBiACEiE, Acalypha Virginica. Beautiful stellate groups in the 



leaves ; these may be well seen in the ashes. 

 JuGLAiNTDACEJE, Juglans cinerea. Rounded bunches in bark. 



Carya. Form B predominates in Carya, but mingled 

 with bunches. (See figs. 15, 16.) 

 Lythrace^, Lythrum salicaria. 

 Malvaceje, Althea rosea. 



Hibiscus moscheatus. 

 Neltjmboace-E, Nelumbium luteum. Bunches exceedingly abundant 



in leaf, and shown very finely in the ashes. 

 Onagrariace^, Sub-Order HaloragecB. 



Proserpinaca palustris. Bunches. 



In Onagrariacese the acicular raphides are generally 

 very abundant. 

 Passifloraceje, Passiflora lutea. Bunches abundant. 

 Philadelphiace^, Philadelphus coronarius. 



PoLYGONiACEiE, Every species of Polygonum, Rumex, Rheum, &c. 

 which I have examined, abounds in conglomerate 

 raphides. They are said by Quekett to form 35 

 to 40 per cent, of the weight of the common Rhu- 

 bai'b, {Rheum palmatum.) 

 RosACEJE, Comarum palustre. 



Rubus odoratus. Bunches, mixed with abundance of 

 simple forms. The white powder which covers 

 the bark after the falling off of the older portions, is 

 chiefly made up of bunches of crystals, among 

 which forms A and B may be recognized. 



