82 THE MICROSCOPE. June 
Troy Scientific Association’s Reception. 
Objects exhibited, under 18 instruments, 
By KR... WARD, M. D- 
ROW. Ns ek. 
VIEWS IN FLOWERS*. 
Disk Flower of Chrysanthemum; Composite Family. 
Actual Size about 1 millimeter (1-25 inch) wide and 5 
mm. long. Below is the ovary filled with an ovule; above is 
the corolla tube, which has begun to separate, toothed at 
top, where protrudes the style forking into two stigmas, 
No “pappus,”’— 
Stamem of Pinxter Flower, Azalia nudiflora; Heath 
Family. Shows pollen-grains escaping from the 2-celled 
enthers by terminal pores. 
Pollen of Pumpkin Flower, Cucurbita pepo; Gourd 
Family. Spiny globular grains. 
Pollen of Evening Primrose, (Anothera biennis; Fam. 
Onagracee. Grains triangular, knobbed. 
Pollen of Milkweed, Asclepias. The grains from the 
anther-cells are united in waxy, pear-shaped pollen 
masses, which are suspended in pairs as here, favorably 
for distribution by insects. (Shown in a minute micro- 
scope, achromatic compound, less than two inches long 
and one-half inch wide). 
Spadix of Caladium petiolatum; Arum Family. Trans-_ 
verse sec., stained. A pithy axis with fibro-vascular 
bundles, covered with flowers, each consisting of only a 
simple pistil containing two ovules (seed germs). | 
Ovary of ‘‘Candytuft’ Flower, Iberis amara. Mustard 
Family. A short, flat, scale-like ovary, of two carpels, 
each of which is filled by a large ovule in which a growing 
embryo is seen. 
*There were many exhibits by other people but this is the largest exhibit 
ever made by one person so far as recorded. 
