22 



THE AMERICAN MONTHLY 



[January, 



No. 

 fer. Annual rings, turpentine 

 passages 60 



Abies excelsa. Stem L.S. Coni- 

 fer. Annual rings .... 61 



Scotch fir. Stem T.S. Bordered 

 pits, &c 62 



Scotch fir. Stem L.S. radial. Bor- 

 dered pits, &c 63 



Scotch fir. Stem L.S. tangent. 

 Bordered pits, &c 64 



Yew. Root T.S. Cortex, &c. . 65 



Lime. Stem T.S. Annual rings. 

 Secondary wood 66 



Clematis vitalba T.S. One-3'ear- 

 old stem -67 



Clematis vitalba L. S. Pitted wood 

 cells 6S 



False acacia L.S. Tylosis. Pro- 

 trusion of cell wall from paren- 

 chyma into vessels .... 69 



Burdock. Stem T.S. Medullary 

 rays . 70 



Sarsaparilla. Stem T.S. Dicty- 

 ogen 71 



Maple. Stem T.S. Suber, split 

 from internal growth .... 72 



Horse chestnut. Petiole. Sphoera- 

 phides 73 



Horse chestnut. Junction of au- 

 tumn leaf with stem. Absciss 

 layer 74 



Mistletoe. Stem T.S. Thickened 

 cuticle cells 71; 



Mistletoe. LeafT.S. Thickened 

 cuticle cells 76 



Holly. Leaf, midrib. Thickened 

 cuticle cells 77 



Ash. Terminal bud L.S. ... 78 



Wheat. Epidermal cells and sto- 

 mata 79 



Oat. Epidermal cells and stomata 80 



Rye. Epidermal cells and stomata 81 



Barley. Epidermal cells and sto- 

 mata 82 



Maize. Epidermal cells and sto- 

 mata 83 



Kqtiisetum arvense. Epidermal 

 cells and stomata 84 



E. hyemale. Epidermal cells and 

 stomata. Deposit of silica . . 85 



Picea finsapo. Epidermal cells 

 and stomata 86 



Piiiiis Aitstriaca. Epidermal cells 

 and stomata 87 



Yucca. Epidermal cells and sto- 

 mata 88 



Dentzia scabru. Epidermal cells 

 and stomata. Stellate hairs, si- 

 licious 89 



Mistletoe. Epidermal cells and 

 stomata. Crystal prisms . . 90 



Nettle leaf. Sting 91 



Ficus elastica. LeafT.S. Cysto- 

 liths 92 



No. 



Orange. LeafT.S. Crystals . 93 



Encephalartos. LeafT.S. Thick- 

 ened epidermal cells .... 94 



E)icepIialartos. Stem T.S. Cycad 95 



PJtormiiim tenax. LeafT.S. Thick- 

 ened bast fibres 96 



Oleander. Leaf T.S. Abnormal 

 stomata 97 



Carnation. Leaf T.S. , through 

 stomata 98 



Eucalyptus globulus. Leaf T.S. 

 Oil glands 99 



Triticum junceum. Leaf T.S. 

 Hairs 100 



Beech. Leaf T.S. Palisade tis- 

 sue, &c lOI 



Fuchsia Leaf. Raphides . . . 102 



Wild Strawberry Leaf. Crystals . 103 



Picea pit/sapo. LeafT.S. Thick- 

 ened cell wall 104 



Liverwort { M. Polymorplui), Thal- 

 lus T.S. Funnel-shaped sto- 

 mata 105 



Almond. Endosperm T.S. Aleu- 

 rone grains 106 



Almond. Endosperm. Isolated 

 aleurone grains 107 



Castor Oil. Endosperm. Isolated 

 protein crystals 108 



Castor Oil. Endosperm T.S. Pro- 

 tein crystals 109 



Hemlock {Conium) Fruit T.S. 

 Vitta2 no 



CEnanthe PhellaHcirium. Fruit 

 T.S. Vittie Ill 



Smvruium olusatrum. Fruit T.S. 

 Vittse 112 



Wheat. Grain T.S. Starch and 

 Aleurone 113 



Broad bean. Cotyledon T.S. 

 Starch 114 



Pea. Cotyledon T.S. Starch . 115 



Betel nut T.S. Horny albumen . 116 



Sarsaparilla Root (Mexican) T.S. 

 Compound starch grains . -117 



Potato. Seed vessel T.S. Starch 

 (very fine) iiS 



Ginger. Rhizome T.S. Starch 

 and Oleoresin 119 



Qiiillaya. Bark L.S. Long crys- 

 tal prisms 120 



Canclla alba. Bark T.S. Resin 

 cells and sphosraphides . . . I2i 



Squill (medicinal). Bulb scale 

 L.S. Utricular vessels, with ra- 

 phides 122 



Garlic. Skin of bulb scale. Crys- 

 tals Calcium oxalate . . . .123 



Dahlia. Tuber T.S. Sphere crys- 

 tals of inuline 124 



Eucalyptus globulus. Stem T.S. . 125 



Fennel. Stem T.S 126 



Alexanders. Stem T.S. . . . 127 



Barberry. Stem T.S 128 



