155 



Models of tubers, sliced tubers, and starch obtained from CASE 

 them are shown. 81. 



Note also tubers of the KUMARAH {Ipomoea chrysor- 

 rhiza, Hook, f.), of the natives of New Zealand ; 

 probably a variety of the last. 



No. 378. SCAMMONY, a gum-resin obtained from the 

 roots of Convolvulus Scammonia, L., a native of Asia 

 Minor and Syria. It is chiefly exported from Smyrna and 

 Aleppo, and is employed in medicine as a cathartic and 

 vermifuge. Scammony is very frequently adulterated by 

 the collectors, who mix with it carbonate of lime, wheat 

 flour, sand, black lead, and other substances. Specimens 

 of the root and of different qualities of Scammony are 

 shown. 



Nightshade Order (Solanaceae). A large and widely 

 distributed group of herbs and shrubs, most abundant 

 between the tropics, characterised by dangerous and 

 narcotic properties. Familiar representatives are the 

 Potato, Tomato, and Tobacco. 



No. 379. Tomatoes, the fruits of Lycopersicum 

 esciilentum, Mill. A plant probably of Mexican or South 

 American origin ; commonly cultivated as an esculent. 



Observe fruits of the Brinjal, or Aubergine {Solarium 

 Melongena, L.), a plant largely cultivated in hot countries. 

 The fruits, which are more or less egg-shaped, varj' con- 

 siderably in size and colour, being either white, yellow, 

 violet, purple, or nearly black. They are very highly 

 esteemed in France, and are sometimes seen in the 

 markets in this country. 



Note also stems and herb of the Bitter-Sweet, or 

 Woody Nightshade (Solanum Dulcamara^ L.), a well- 

 known hedge plant in this country ; used in medicine 

 in the form of decoction, in rheumatic or cutaneous 

 aflections. 



On an upper shelf of the first compartment of this Case CASE 

 observe edible tubers, and models of tubers, of Solanum 82. 

 Maglia, Schlecht., native of Chili. This species is under 

 experimental cultivation in this country. 



Observe a large series of models of Potatoes {Solanum 

 tuberosum, L.) 



