324 The Scottish Naturalist. 



xxiv. Lychnis L. 



42. Vespertina Sibth., B. Sparingly at Kierfiold, Sandwick. 



Probably introduced. 



43. Diurna Sibth., B. Rather local. Houton on the Mainland, 



Hoy, and Burray. 



44. Flos-cuculi L., B. Common. 



45. Githago Lam. Cornfields. Probably introduced with 



seeds, D. and H. 



xxv. Cerastium L. 



46. Tetrandrum Curt., B. Common. 



47. Semidecandrum L. Reported by Dr Macnab. Requires 



confirmation. 



48. Glomeratum Thuil., B. Common. 



49. Triviale Link, B. Not uncommon. 



xxvi. Stellaria. L. 



50. Media With., B. Common. 



51. Graminea L., B. Rather scarce. 



52. Uliginosa Murr., B. Common. 



xxvii. Arenaria L. 



53. Serpyllifolia L. Common, D. 



XXVIII. HONKENEJA Ehr. 



54. Peploides Ehr., B. Common. 



xxix. Sagina L. 



55. Maritima Don. Swanbister, B. 



56. Procumbens L., B. Not uncommon. 



57. Nodosa Meyer., B. Rather local. 



xxx. Spergula L. 



58. Arvensis L., B. Common, especially as a weed of cultiva- 



tion. 



xxxi. Spergularia Pers. 



59. Rubra Fenzl. The Ayre, Kirkwall, D. 



60. Neglecta Syme, E. B. Swanbister, B. 



61. Marginata Syme, E. B. Wauk Mill Bay and Hoy, B. 



Probably the two last are not uncommon, though local. 



PORTULACACE^E. 



XXXII. MONTIA L. 



62. Fontana L., B. Frequent. 



