252 APPENDIX. 



D. INCAXA, L. Rootstalk woody. Stem 6 14 in. Radical 

 le. short, f 1 in., densely rosulate, toothed; cauline many, sub- 

 erect, amplexicaul. Racemes many-flowered. Fl. ^ in. diam., 

 white. Pod | in., variable. 



Rare. Alpine rocks. (B) P. 26. Ben Lomond ; Loch Oss. 



D. MURALIS, L. Rootstalk slender. Stems 1 2ft., flexuous, 

 sub-erect. Radical le. small, obovate, stellate, hispid ; cauline 

 few, broader. Fl. J in. diam., white. Raceme short, lengthen- 

 ing towards maturity. Pods in., flat, linear-oblong, horizontal, 

 on pedicels longer than themselves. 



Rare. Walls. (B) A. 4 5. Airdrie; Bothwell; Cumbrae; Botanic Gardens, 

 as a weed. 



CoCHLEiRiA, L. Scurvy-grass. 



C. ALPINA, Wat. Radical and cauline le. as in C. officinalis, 

 pod rhomboid, oblong, and narrowed at both ends. 



Rare. Summit of mountains. (H) P. 5 8. Ben Lomond; Ben Yoirlich. 



LEpfDiUM. Cress. 



*L. LATIFOLTUM, L. Rootstalk, stoloniferous. Stem 2 4ft. 

 branched, leafy. Leaves, long, narrow, upper ones sessile, 

 glaucous. Flowers small, in short dense corymbs. Pod. | in. , 

 on short pedicels. 



Very rare. Walls. (E) P. 68. Bothwell Castle. 



Ord. 12.-CARYOPHYLLEJS. 



AREN!RIA. Sandwort. 



A. VEKNA, L. Rootstalk woody, branched, matted. Leaves 

 % in. 3-nerved. Flowering branches slender, few-flowered. Fl. 

 i in. diam. , white ; pedicels slender, glandular ; petals, oblong, 

 equal in length to sepals. Capsule longer than petals. 



Very rare. Dry Alpine rocks. (H) P. 47. Ben Lomond. 



SILENE. Catchfly. 



S. NOCTIFLORA, L. Softly pubescent, viscid above. Le. 

 lanceolate, 34 in., stalked below. Fl. one or few, 2-sexual. 

 erect. Calyx long, narrow in flower ; nerves green. Petals rosy 

 within, yellow outside, 2-fid, incurved by day. Scales truncate. 

 Capsule as long as and often rupturing the calyx. Fl. often at 

 night very fragrant. 



Very rare. Sandy fields. (B) P. 7. Cumbrae; Largs. 



