POWDERED DRUGS 715 



B. CALCIUM CARBONATE WANTING. Continued, 

 b. Glandular hairs wanting. 



a With non-glandular hairs. 



1. Pollen grains 



* Hairs numerous. 



Non-glandular hairs 1-celled . . .39. Lobelia 



Non-glandular hairs 1- to 6-celled 40. Matico 



** Hairs very few. 



Cells of non-glandular hairs very short, oblong. 



41. Tanacetum 



2. Pollen grains wanting. 



Hairs 1-celled, with thick walls 42. Scoparius 



j3 Non-glandular hairs wanting. 



Starch grains present 43. Cardamomum 



With tracheids 43a. Sabina 



Without starch grains 44. Staphisagria 



Aqueous solution of a golden-yellow color . . 45. Chelidonium 



POWDERS OF A YELLOWISH COLOR 



I. Fragments of Vegetable Tissue present. 

 A. CONTAINING STARCH. 



a. With calcium oxalate crystals. 

 a In rosette aggregates. 



Crystal fibers 46. Frangula 



Isodiametric stone cells 47. Galla (Aleppo) 



Starch grains swollen 48. Jalapa 



Calcium oxalate crystals 50 to 100 M 49. Rheum 



/3 In monoclinic prisms. 



Characteristic starch grains 50. Calumba 



Starch grains swollen 51. Curcuma 



Crystal fibers 52. Frangula 



Long sclerenchymatous fibers 53. Gelsemium 



Tracheae with bordered pores 54. Quassia 



y In crystal fibers. 



With cork fragments 55. Glycyrrhiza (Spanish) 



Without cork fragments 56. Glycyrrhiza (Russian) 



8 In raphides. 



Tracheids with bordered pores 57. Ipecacuanha 



Long sclerenchymatous fibers 58. Phy tolacca 



Endodermal cells with thick walls 59. Veratrum Viride 



