TERMS.] SURFACE. 363 



the veins alone remain, anastomosing and forming a kind of network ; as 

 the leaves of Hydrogeton fenestralis. 



44. Perforated (pertmus) ; when irregular spaces are left open in the surface 

 of anything, so that it is pierced with holes ; as the leaves of Dracontium 

 pertusum. 



3. Of Surface. 



A. With respect to Marking or Evenness. 

 2 45 10 12 13 



- w, w ~ (51 ^J^ 



1. Rugose (rugosus) ; covered with reticulated lines, the spaces between which 



are convex ; as the leaves of Sage. 



2. Netted (reticulatus) ; covered with reticulated lines which project a little ; 

 as the under surface of the leaves of most Melastomas, the seeds of 

 Geranium rotundifolium. 



3. f Half-netted (f semireticulatus) ; when, of several layers of anything, the 



outer one only is reticulated ; as in the roots of Gladiolus communis. 



4. Pitted (scrobiculatus) ; having numerous small shallow depressions or exca- 

 vations ; as the seed of Datisca cannabina, Passiflora, &c. 



5. Lacunose (lacunosus) ; having numerous large deep excavations, 



6. Honeycombed (favosus, alveolatus) ; excavated in the manner of a section 

 of honeycomb ; as the receptacle of many Composites, the seeds of Papaver. 



7. f Areolate (f areolatus} ; divided into a number of irregular squares or 

 angular spaces. 



8. Scarred (cicatrisatus) ; marked by the scars left by bodies that have fallen 

 off ; the stem, for instance, is scarred by the leaves that have fallen. 



9. Ringed (annulatus) ; surrounded by elevated or depressed bands ; as the 

 roots of some plants, the cupulse of several Oaks, &c. 



10. Striated (striatus) ; marked by longitudinal lines ; as the petals of Geranium 



striatum. 



11. Lined (lineatus) ; the same as striatus. 



12. Furrowed (sulcatus) ; marked by longitudinal channels ; as the stem of 

 Conium, of the Parsnep, of Spiraea Ulmaria, &c. 



13. f Aciculated (aciculatus) ; marked with very fine irregular streaks, as if 



produced by the point of a needle. 



14. Dotted (punctatus) ; covered by minute impressions, as if made by the 

 point of a pin ; as the seed of Anagallis arvensis, Geranium pratense. 



1 5. Even (cequatus) ; the reverse of anything expressive of inequality of surface. 



B. With respect to Appendages or superficial Processes. 



1 . Unarmed (inermis) ; destitute of any kind of spines or prickles. 



2. Spiny (spinosus) ; furnished with spines ; as the branches of Whitethorn. 



3. Prickly (acukatus) ; furnished with prickles ; as the stem of a Rose. 



