1890.] 



MICEOSCOPICAL JOUKNAL. 



21 



List of Wiilter White's Botanical Sections and Other Objects Rejidy 

 for Mounting or for Examination. 



By CHAS. W. smiley, 



WASHINGTON, D. C. 



No. 



Yeast. Simple globular vegetable 

 cells, showing nucleus ... i 



Crown Imperial. RootL.S. Pro- 

 toplasm in cells 2 



Orchid {Oncidiuni) Leaf. Fibro 

 spiral cells, isolated .... 3 



Elder pith T.S. Pitted thin walled 

 parenchyma 4 



Brazil nut. Pitted and reticulate 

 thickened parenchyma cells, iso- 

 lated ...."..... 5 



Brazil nut. Prismatic cells from 

 shell, isolated 6 



Rush T.S. Stellate parenchyma 

 cells 7 



Rush, isolated stellate parenchyma 

 cells ". . 8 



Vegetable Ivory T.S. Thickened 

 unlignified albumen cells. Poi-e 

 canals ... .... 9 



Date stone L.S. Ditto ... 10 



Coquilla nut T.S. Lignified pa- 

 renchyma cells II 



Coquilla nut, isolated lignified pa- 

 renchyma cells 12 



Bullace stone, isolated lignified pa- 

 renchyma cells 13 



Star-anise testa, isolated lignified 

 parenchyma cells 14 



Star-anise testa, surface view, lig- 

 nified parenchyma cells ... 15 



Walnut shell T.S. Lignified pa- 

 renchyma cells 16 



Pear T.S. Lignified parenchj'ma 

 cells 17 



Pear, isolated. Lignified paren- 

 chyma cells 18 



Yew, isolated wood cells (tra- 

 cheides). Spiral deposit . . 19 



Yew, radial wood cells (tracheides). 

 Spiral and pits . . . . . 20 



Cinchona bark ( C Calisaya) T.S. , 

 thickened bast cells, fusiform . 21 



Cinchona bark, isolated bast cells, 

 fusiform 22 



Periwinkle, isolated bast cells, fu- 

 siform. Stratification of cell wall 23 



Flax. Long fibre cells, isolated . 24 



Cotton. Hairs from seed vessel . 25 



Rhubarb leaf. Spiral and annular 

 vessels, isolated 26 



Brake fern. Scalariform vessels, 

 isolated 27 



Brake fern L.S. Scalariform ves- 

 sels, sieve tubes, &c 28 



Brake fern T.S. Scalariform ves- 

 sels, sieve tubes, &c 29 



No. 



Brake fern, oblique sect. Scalari- 

 form vessels, sieve tubes, &c. . 30 



Maize. Annular vessels in fibro- 

 vascular bundle 31 



Pumpkin L.S. Sieve tubes . . 32 



Bryony L.S. Sieve tubes • • • 33 



Bryony T.S. Sieve tubes ... 34 



Lime bark L.S. Sieve tubes . . 35 



Mazereon L.S. Spiral and pitted 

 tracheides 36 



Phlox. Anther. Stellate tissue of 

 mesothecium 37 



Crown Imperial. Anther. Fibro 

 spiral tissue of mesothecium . 38 



Crown Imperial. Anther T.S. . 39 



Crown Imperial. Anther. Iso- 

 lated cells 40 



Hyacinth. Anther. Fibi'o spiral 

 tissue. Raphides 41 



White water lily, peduncle T.S. 

 Trichlobasts in air spaces . . 42 



Water plantain, petiole T.S. Air 

 spaces of aquatic plant ... 43 



Sowthistle stem T.S. CoUen- 

 chyma 44 



Onion. Bulb scale L.S. Laticif- 

 erous vessels 45 



Salsify. Root L.S. Laticiferous 

 vessels 46 



Euphorhhcm splendetis. Stem L. S. 

 Laticiferous vessels containing 

 bone-shaped starch grains . . 47 



Oak. Bark T.S. Periderm, &c. . 48 



Red currant. Stem T.S. Phello- 

 gen 49 



Elder. Young shoot T.S. Phello- 

 gen, &c - . . ., 50 



Sugar cane T.S. Closed vascular 

 bundles 51 



Sugar cane L.S. Closed vascular 

 bundles 52 



Pampas grass T.S. Closed vascu- 

 lar bundles 53 



Butcher's broom T.S. Closed vas- 

 cular bundles 54 



Butcher's broom L.S. Closed vas- 

 cular bundles 55 



Ra?iuficulus repetis. Runner T.S. 

 Open collateral fibro vasal bun- 

 dles 56 



Aristolochia latifolta T.S. Inter- 

 fascicular cambiuin .... 57 



Aristolochia lati folia L.S. Inter- 

 fascicular cambium .... 58 



Ivy. One-year-old stem T.S. Re- 

 sin cells. Scandent root . . 59 



Abies excelsa. Stem T.S. Coni- 



