SALIX 
27 
Series v. Herbaceae 
Herbaceae Borrer in Hooker Brit. FI. 432 (1830); A. et G. Camus Classif. Saul. 106 (1904) as a 
section; von Seemen in Ascherson und Graebner Syn. iv, 64 (1908). 
For characters, see page 25. 
Species and hybrid of Herbaceae 
7. S. herbacea (see below). Very small undershrub, subherbaceous. Catkins terminal, very 
small. Bracts subconcolorous, ciliate. 
•S* herbacea x reticulata (p. 28). Petioles half to a third as long as the laminae. Laminae suborbicular. 
7 . SALIX HERBACEA. Dwarf Willow. Plates 30; 37, 38, 39 
Salix pumila folio rotundo Ray Cat. Angl. 273 (1670) part.; Syn. ed. 3, 449 (1724) part.; S. alpina alni rotundo 
folio repens Dillenius in Ray Syn. ed. 3, 448 (1724). 
Salix herbacea L. Sp. PI. 1018 ( 17 53) 1 > Smith FI. Brit. 1056 (1804)!; Syme Eng. Bot.w iii, 259 (1868); 
A. et G. Camus Classif. Saul. 106 
(1904); v. Seemen in Ascherson und 
Graebner Syn. iv, 64 (1908); Rouy 
FI. France xii, 218 (1910). 
leones ; — Smith Eng. Bot. t. 
1907 ; Reichenbach Icon. t. 557, fig. 
1182; FI. Dan. t. 1 1 7 ; Hartig Forst. 
Culturpfl. t. 105 (35b); A. et G. Camus 
op. cit., Atlas t. 8, fig. A. 
Camb. Brit. FI. ii. Plate jo. 
(a) Shoot with staminate catkins. 
(b) Group of staminate flowers. 
(c) Staminate flowers (enlarged). 
(d) Shoot with pistillate catkins. ( e ) 
Group of pistillate flowers, (f) Pis- 
tillate flowers (enlarged). From a 
Swiss specimen (E. W. H.). ( g ) Shoot 
with fruiting catkins, (h) A large 
leaf, (i) Capsules (enlarged). For- 
farshire (E. S. M.). 
Exsiccata: — Billot, 1964; Bour- 
geau, 668; Fellman, 219; Fries, v, 67; 
A. et J. Kerner (H. S. A.) 37 ; Leefe, 
49 ; E. F. et W. R. Linton, 48 ; 
Reichenbach, 953. 
Dwarf undershrub ; the 
smallest British willow. Rhi- 
zomes up to half a metre or rather 
more in length, much branched. 
Aerial branches subherbaceous, 
short, procumbent or a little as- 
cending at the tips, with only a 
few leaves on each, usually not 
rising more than 2—3 cm. above 
the ground. Stipules usually 
caducous. Petioles very short, 
rarely more than 5 mm. long. 
Laminae suborbicular to broadly 
oval or oboval, finely serrate, 
glabrous, smooth, thin, shiny, 
prominently reticulated on both 
sides, up to about 2 cm. long 
and broad. Catkins very small, 
Map 4. Distribution of Salix herbacea in the British Isles 
4—2 
