266 CONSERVATIVE ORGANS. [LECT. VI. 



St. John's Wort, Hypericum perforatum ; may 

 be taken as examples. 



e. Maculated, blotched (maculosus, macula- 

 tus), when it is marked with spots or blotches ; 

 as in Hemlock, Conium maculatum, and great- 

 flowered Ancethera, Anoethera grandiflora 

 (Plate 4, fig. 5). The colour of stems is not 

 generally noticed by Botanists, unless it be 

 so remarkable and determinate as to con- 

 stitute a good specific distinction, as in the in- 

 stances just referred to ; in which the macu- 

 lated appearance of the stems is invariably 

 present. 



e. Leafless (aphyllus*), when it is altogether 

 devoid of leaves, as the Dudder, Cuscuta Eu- 

 ropea. 



f. Unarmed (inermis), when devoid of 

 prickles or spines. 



g. Exstipulate (exstipulatus) , when without 

 stipulse ; a species of appendage of which you 

 must be supposed still ignorant,, but which 

 shall be described in the proper place. These 

 negative terms are employed chiefly to, dis- 

 tinguish those members of genera which con- 

 tain species that display opposite qualities. 

 2. COVERED (vestiti), when the epidermis is 



*"Nudus 9 foliis destitutus; Euphorbia, Cactus, Slapelia, 

 Ephedra, Cuscuta. " Phil. Bot. 82. 2. 



