POPULUS. 297 
xiii. Herbacee (Borr.). Catkins exactly terminal. 
33. S. herbacea (L.); 1. round or oval obtuse or retuse serrate 
shining glabrous reticulated with veins, germens subsessile ovate- 
conical glabrous, style short, stigmas bifid—E. B. 1907 —A 
very minute herblike shrub ; the stems extend far amongst loose 
stones on the tops of mountains. Edges and veins of 1. hairy.— 
Alpine situations. Sh. VI. 
Index to the Salices. 
S. acuminata, 14. 
alba, 4. 
ambigua, 25. 
amygdalina, 6. 
angustifolia, 22. 
Andersoniana, 18. 
aquatica, 15. 
arenaria, 27. 
argentea, 24. 
Arbuscula, 26, 22. 
arbutifolia, 30. 
ascendens, 24, 
aurita, 16. 
bicolor, 19. 
Borreriana, 20. 
czerulea, 4. 
Caprea, 17. 
carinata, 26. 
cinerea, 15, 
cotinifolia, 18. 
Croweana, 20. 
cuspidata, 2. 
damascena, 18. 
Davalliana, 20. 
decipiens, 3. 
Dicksoniana, 20. 
Doniana, 23. 
glauca, 27. 
ferruginea, 13. 
Forbyana, 10. 
Forsteriana, 18. 
fragilis, 3. 
fusca, 24. 
hastata, 28. 
Helix, 8. 
herbacea, 33. 
hirta, 18. 
Hoffmanniana, 6. 
incubacea, 24. 
intricata, 11. 
Lambertiana, 7. 
lanata, 29. 
lanceolata, 5. 
Lapponum, 27. 
laurina, 19. 
laxiflora, 20. 
Myrsinites, 30. 
nigricans, 18. 
nitens, 20. 
oleifolia, 15. 
pentandra, 1. 
petra, 18. 
petiolaris, 6. 
phillyreifolia, 20. 
phylicifolia, 20. 
procumbens, 31. 
propinqua, 19, 
prostrata, 24. 
prunifolia, 27. 
purpurea, 7. 
radicans, 20. 
ramulosa, 7. 
repens, 24, 
reticulata, 32. 
rosmarinifolia, 21. 
rubra, 9. 
rugosa, 13. 
rupestris, 18. 
Russelliana, 3. 
Smithiana, 13. 
stipularis, 11, 12. 
Stuartiana, 27. 
tenuifolia, 19. 
tenuior, 19. 
tetrapla, 20. 
triandra, 6. 
undulata, 5. 
vacciniifolia, 26. 
venulosa, 26. 
viminalis, 11. 
vitellina, 4. 
Weigeliana, 20. 
Woolgariana, 7. 
2. Popuxus Linn. Poplar. 
1. P. alba (L.); 1.-buds downy, 1. roundish-cordate angularly 
toothed cottony and snowy-white beneath, 1. of the young shoots 
cordate palmately 5-lobed, stig. 4 (yellow).—E. B. 1618.—A large 
tree with suckers. L. generally lobed, scales of the catkins 
notched at the end.—Damp woods. T.IV. White Poplar. Abele. 
2. P. canescens (Sm.); 1.-buds downy not viscous, 1. roundish 
angularly toothed cottony and white beneath, 1. of young shoots 
cordate-ovate undivided, stig. 8 (purple).—E. B.1 i large 
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