346 
Betulacese. Salicacese. 
entire slopes, also lower on the Swiss plateau, but want¬ 
ing in the Jura; b. Tess. (Camoghe, Yal Maggia). 5 
viridis Dec. 1986. 
— Fein, catkins wintering on the twigs of the preceding 
year, appearing before the Is. Fr. not winged or sur¬ 
rounded by a narrow opaque winged edge . . 2 
2. Full-grown Is glabr. underneath, only bearded in the 
axils of the nerves, glutinous when young, suborbicular 
or orbicular-obovate, obtuse or emarginate at the top. 
Lateral fr.-catkins with fairly long stalks.—Damp woods, 
brool s; distrib. 2, 3 . . . glutinosa Gartn. 1987. 
— Ls soft-pubescent underneath or at least covered with 
rather scattered hairs, not especially bearded in the 
axils of the ls . . . . . . . » 3 
3. Ls oval, acute or short-acuminate, double-toothed, grayish 
underneath. Lateral fr.-catkins sessile or with very short 
stalks.—b. sericea Christ. Ls more strongly nerved, silky- 
tomentose and shining on both sides, especially under¬ 
neath; fr.-catkins with longer stalks. (Yal Maggia in 
Tess., scattered along the edges of the lake of Wallen- 
stadt, and near Aarau).—‘As the last, rather earlier 
incana Dec. 1988. 
— Ls orbicular-obovate, obtuse or subacute, unequally 
crenate-dentate, green on both sides. Lateral fr.-catkins 
more or less long-stalked. A. glutinosa-incana.—Among 
the parent pis, rather rare: Biinzenermoos. 2, 3 
*pubescens Tausch. 1989. 
102. Salicaceae. 
522. Salix. Willow. XXII, 8.*) 
I. Female plants. 
1. Catkins terminal, springing from a bud at the tip of 
the twig. (Dwarf shrubs of the higher mountain regions, 
very branchy, the trunk creeping) ... 2 
— Catkins lateral on the old wood, sessile or shortly 
stalked ......... 6* 
2. Ls long-petioled, relatively large (20—40 mm), elliptic- 
suborbicular, entire, rolled at the edges, glaucous and 
net-veined underneath, when full-grown glabr., rarely 
(v. sericea) with a slight silken villosity. Capsules to- 
mentose.—High Alp., Saleve, Reculet. 7 reticulata L. 1990. 
— Ls short-petioled, green on both sides, shining , 3 
*) Revised according to a manuscript which Mr. Buser kindly placed 
at our disposal. 
