103 



Musci. Hair-moss (Polytrichum commune), (Hyp- 



num flagellare, Bryum), Bog - moss 



(Sphagnum). 



Lichenes. (Usnea, Cetraria, Parmelia). 



Fungi. Truffle (Tuber), Mushroom (Agaricus), 



(Cyathus). 

 Algse. Sea- wrack (Fucus serratus), (Corallina 



officinalis, Vaucheria, Ceramium). 



330. A series of 90 botanical wall-diagrams, mounted 

 on linen and rollers, size, 67 cm. (26J in.) high by 84 cm. 

 (33 in.) broad, with 8vo explanatory text in German 

 (353 pp.). Designed by Prof. L. Kny. 



Published by Wiegandt, Hempel, and Parey, and subse- 

 quently by Paul Parey, Berlin. 1874-1886. 



1888. 



PLATE I. The structure of living vegetable cells, and the ar- 

 rangement of their chief component parts ; the two principal 

 modes of protoplasmic movement within closed membranes 

 (rotation and circulation) as well as the transitional stages 

 between them. 



PLATE II. The structure and development of starch granules. 



PLATE III. The principal forms of crystals of oxalic acid. 



PLATE IV. The chief phases in the conjugation of one of the 

 larger species of Spirogyra. 



PLATE V. Milk cells of Euphorbia splendens and vessels of 

 Lactuca sativa. 



. PLATES VI., VII. Some of the principal forms of unicellular 

 hairs. 



PLATE VIII. Longitudinal section of a vascular bundle of a 

 Dicotyledon. 



PLdTE IX. Fibro- vascular bundle from the interior of the 

 stalk of Saccharum officinale. Transverse section. 



PLATE X. The development of the embryo of Brassica 

 Napus, L. 



PLATE XT. The structure and development of the multi-lamel- 

 lar epidermis of Ficus elastica, and of the cystoliths which occur 

 in it. 



PLATE XII. A corner of a section of the leaf of Pinus Laricio, 

 showing the epidermis consisting of much thickened cells, the 

 bast-like hypoderm, two stomata with funnel-shaped entrance, 

 the strongly -folded membrane of the cells of the mesophyll, and 

 a resin-canal enclosed by the last. 



PLATE XIII. Stoma ofThymus Serpyllum, L., var. Chamcedrys, 

 from the surface and in section. 



