5898. 
5899. 
5900. 
590I. 
5902. 
5903. 
5904- 
5995: 
5906. 
5907- 
5908. 
5909. 
5910. 
solr. 
5912. 
5913. 
5914. 
5915- 
5916. 
5917 
5918 
5919- 
5920. 
5921. 
(269) 
Another sample of the same. Presented by Merck & Company. 
European linden, or lime, flowers.—The flowers of T. europaea L. Native 
of Europe and much cultivated as a shade tree. Presented by H. H. 
Rusby. 
Blue Mallow, or Malva, flowers with calyx. (See No. 1300). Presented by 
Parke, Davis & Company. 
Althaea, or marshmallow, flowers with calyx.—The flowers of Althaea 
officinalis L. (See No. 4990). Presented by Parke, Davis & Company. 
Hollyhock flowers with calyx.—The flowers of 4. rosea (L.) Cav. Native 
of the Levant and cultivated for ornament. Presented by the New York 
College of Pharmacy. 
The same, without the calyx. Same donor. 
Pansy flowers.—The flowers of Viola tricolor L. (Violaceae—Violet Family). 
Native of northern Europe and Asia and cultivated for ornament. Pre- 
sented by the New York College of Pharmacy. 
Blue violet flowers. Sweet, or English, violet. (See No. 1308). Presented 
by the New York College of Pharmacy. 
Cloves. Caryophyllus. (See No. 1561). Presented by the New York 
College of Pharmacy. 
Pure powdered cloves.—The preceding in the powdered state. Presented 
by H. H. Rusby. 
Adulterated powdered cloves.—The preceding, admixed with 50% of the 
peduncles. Same donor. 
Another sample of the preceding, being nearly all peduncles. Same donor. 
Powdered cloves consisting almost wholly of mother-of-cloves, or the fruit 
of the same plant. Same donor. 
Primrose, or cowslip, flowers.—The flowers of Primula vulgaris Jacq. (Primu- 
laceae—Primrose Family). Native of Europe and cultivated for ornament. 
Presented by H. H. Rusby. 
Centaury flowers. (See No. 5738). Presented by H. H. Rusby. 
Borage flowers. (See No. 5547). Presented by Parke, Davis & Company. 
Another sample of the same. Presented by H. H. Rusby. 
Lavender flowers. (See No. 2009). Presented by Peek & Velsor. 
White Datura flowers.—The flowers of Datura fastuosa L. (Solanaceae— 
Potato Family). Native of India. Presented by H. H. Rusby. 
Mullein flowers.—The flowers of Verbascum Thapsus L. (Scrophulariaceae— 
Figwort Family). Native of Europe and Asia and a common weed in the 
United States. Presented by H. H. Rusby. 
Mullein flowers.—The flowers of Verbascum phlomoides L. Native of Europe. 
Presented by Merck & Company. 
Black elder flowers. Elderberry flowers.—The flowers of Sambucus nigra L. 
(Caprifoliaceae—Honeysuckle Family). Native of the Mediterranean 
region and adjacent Europe, Asia, and Africa. Presented by Merck & 
Company. 
American black elderberry flowers. (See No. 2344). Presented by H. H. 
Rusby. 
The same, in the fresh state. Collected in the York New Botanical Garden, 
1919. 
