526 PRACTICAL BOTANY 



uncommon on our coasts : it grows attached to rocks near low- 

 water mark (p. 435). 



* Coleochcete, a genus of Confervoid Algse, which may commonly 

 be found attached to the surface of submerged Phanerogams in 

 fresh- water streams and ponds :to be used fresh if possible 

 (p. 419). 



*Collema, a genus of gelatinous Lichens, of which various species 

 are commonly to be found growing on moist soil, stones, &c. : to 

 be hardened in alcohol before sections are cut (p. 475). 



CoprinuSj a genus of Fungi, which commonly grow on dung, 

 or manured land : they may almost certainly be obtained by 

 keeping fresh horse-dung under a bell-glass for two or three 

 weeks (p. 460). 



Corallina officinalis, the common Coralline Seaweed of all our 

 coasts ; found in large quantities in tidal pools, and recognized by 

 its superficial deposits of lime (p. 385). 



Correct, sp. : an exotic shrub, to be obtained in botanic gardens ; 

 hairs, 146. 



*Cotton wool (Gossyp'mrti), 35 ; orchis, tubers of, 95. 



*Cratcegus Oxyacantka, the common Hawthorn : flower, 190. 



Crucibulum vulgare, one of the Gasteromycetous Fungi : to be 

 found not uncommonly growing on sticks, and decaying Fern, 

 &c. (p. 461). 



*Cucurbita Pepo, the Vegetable Marrow, or Cucumis sativus, the 

 Cucumber, may be used indifferently : seedlings, fresh, 226 ; 

 stems, 113. 



Cupressus, sp. : root, 250. 



*Cystopus candidus, a Fungus, commonly found growing 

 parasitically on the shoot of Shepherd's Purse, appearing as a 

 u white rust " in late summer : may be preserved in alcohol, for 

 use at other times of year (p. 495). 



Cytisus Laburnum : old stem, 100. 



Dwdalea, a native genus of Hymenomycetous Fungi : the com- 

 monest is Dcedalea quercina, which is to be found growing on 

 oak stumps (p. 460). 



Dacryomyces, a Fungus which grows on decaying wood, 461. 



Dahlia : leaf ; 128. 



Dandelion (see Taraxacum). 



