TOPOGRAPHICAL BOTANY OF SCOTLAND 167 



b. intermedia (D. Don}, noted in " Flora of Perthshire " as 



"widely distributed." 



c. sessiliflora (Salisl>.\ 73, 74, 76-78, Si, 85!, 86-89, 9 1 , 



92, 95-97. 99. I0 5. 108. 



Castanea sativa, Mill., not uncommon, but only where introduced, 

 e.g. in 72-74, 86, 88-92. 



Fagus sylvatica, Z. Probably in almost every district, though not 

 actually recorded from 79, 99, 105, 108, 109, no, in, 112. 

 Though wide spread and abundant, and often occurring in 

 habitats where not planted by man, H. C. Watson regards it 

 as not indigenous anywhere in Scotland. It is, however, 

 thoroughly established in many localities. 



MONOCOTYLEDONES. 



Elodea canadensis, Michx. ( = Anacharis Alsinastrum, Bab.), in 



ponds and backwaters, often abundant, 74-77, 83, 84, 86-93, 



99, 100, in. 

 Stratiotes aloides, L., introduced into ponds in 83, 84, " Perthshire," 



90. 



Malaxis paludosa, Sw., 72-75, 85-88, 90-92, 95-100, 104-108, no. 

 Corallorhiza innata, R. Br., 75 (?), 81, 83, 85, 87-92, 96, 105, 



106. 



Neottia Nidus-avis, Rich., 72, 73, 75-77, 79"9 2 , 94, 96, 98, 99- 

 Listera cordata, R. Br., except 78, 84, 103. 

 L. ovata, R. Br., except 78, 112. 



Goodyera repens, R. Br., 75, 80, Si, 84, 88-97, 105-108. 

 Cephalanthera ensifolia, Rich., 75, 83, 85, 88, 89, 97, 98, 100, 



i3, I0 5- 

 \C. pallens, Rich. = C. grandiflora, S. F. Gray, has been recorded 



for 88, 98, 100, in error?] 

 Epipactis latifolia, AIL, 72, 73, 75-77, 80-84, 86-90, 92, 94, 95 (?), 



98, 100, 103, 108. 



E. violacea, Bor. ( = E. purpurata, Sm.), 84 (?) 

 E. atrorubens, Schnltz, 89, 108. 

 E. palustris, Crantz, 81-83, 85, 87-89, io4(?). 

 Orchis pyramidalis, Z., 72-74, Si, 85, 102, 103. 

 [O. Morio, L., has been recorded from 83 and in, in error.] 

 O. mascula, Z., except 78, 107. 

 O. latifolia, Z., aggregate, all ; probably this may be taken as 



maialis, which form has been recorded by name only from 



72-74, 79, 82-86, 88-90, 96, 97, 106-109. 

 O. incarnata, Z., 72, 74, 79, So, 82, 84, 86-93, 96-98, 102-106, 



108-1 1 1. 



Orchis maculata, Z., except 80, where it doubtless occurs. 

 Habenaria conopsea, Benth. ( = Gymnadenia conopsea, R. Br.), 



except 78, 82, 110. 



