14. LINAGES. 29 



margins. Fruit stalks longer than the calyx. Cap. curved 

 upwards about twice as long as the sep. Whole plant covered 

 with white hairs ; of lax growth. 



Common everywhere. (B) A. B. 4 10. 



3. C. SEMIDECANDBUM, L. Little Mouse-ear Chickweed. Stems 

 much branched from the base, erect or ascending. Le. broadly 

 ovate. Bracts and sep. membranous on the margins. Pet. shorter 

 than the sep. St. mostly 5. Cal. not shorter than the pedicels. 

 Cap. not twice as long as the sep. Plant light green, with viscid 

 pubescence, sometimes glabrous. 



Frequent. On sandy soil and wall tops. (B) A. 3 6. Below Partick; Toll- 

 cross sand hills ; Provanmill ; Gourock, &c. 



4. C. TETRANDRUM, Curt. Four-cleft Mouse-ear Chickweed. 

 Stems diffusely branched, decumbent or ascending. Le. oval or 

 oblong. Lower bracts the same size as the upper le. , herbaceous; 

 a few of the upper, as also the cal., with a narrow membranous 

 margin. Pet. about equalling the sep. Cap. about as long as 

 the sep. , nearly straight. Whole plant deep dull green, covered 

 with viscous hairs, parts of the flower mostly in fours. 



Frequent. On house tops, walls, and sandy places. (B) A. 5 7. Campsie ; 

 Lanark ; Cambuslang on thatched roofs; sandy sea shores, Cumbrae, and Arran. 



B. Petals longer than the calyx. 



5. C. ARVENSE, L. Field-Chickweed. Stem 6 10 in. high, 

 prostrate below, ascending. Le. linear-lanceolate. Bracts and 

 sep. membranous on the margins, acute. Pet. much longer than 

 the cal. Fl. white, in dichotomous cymes. Cap. a little longer 

 than the cal. Plant softly pubescent. 



Very rare. Sandy fields and waste places. (G) P. 4 8. Lanark, Mr. Dunlop. 



6. C. LATIFOLIUM, Sm. Broad-leaved Alpine-ChicJcweed. Stems 

 prostrate, loosely tufted ; flowering ones ascending. Le. elliptical- 

 ovate, bracts herbaceous. Sep. blunt, with membranous margins. 

 Fl. solitary, rarely 2. Cap. nearly straight, J longer than the 

 sep. Plant with yellowish pubescence. 



Ben Lomond. (H) P. 58. 



10. HOLOSTEUM. Umbelliferous Jagged-Chickweed. 



H. UMBELLATUM, L. Stem 2 8 in. high. Eadical le. elliptic, 

 attenuate at the base. Stem leaves in pairs. Fl. 2 6 umbellate. 

 Pet. longer than the sep., white, seldom tinged with red; pedicels 

 reflexed after flowering. Plant pale green, glaucous, with short 

 glandular hairs on the upper part of the stem. 



Very rare. Hills at Bowling. (G) A. 4. 



14.-LINACE.E. 



1. LfNUM. Flax. 



* 1. L. USITATJSSIMUM, L. Common Flax. Stem 12 18 in. 



