A FLORA OF GIBRALTAR AND THE NEIGHBOURHOOD 97 
AMENTIFERZ. 
Alnus glutinosa Gaertn. var. denticulata Regel. By streams, 
chiefly in woods; locally plentiful; 1-3. . i, Cork Woods! 
li. By many streams from the mountains above Algeciras! iii. Salt 
Saliz alba L. By water holes and streams, doubtless often 
planted, but native in many places; III. i. About San 
Roque! Cork Woods! ii.! iii. About Salt Pans! 
+S. cinerea L. Similar places; frequent, commonly planted by 
water holes; 1-3. III. i. By the Lajo! Cork Wood Sotos! 
ii. Waterfall Valley! Carnero Hills! iti. Salt Pans! 
S. pedicellata Desf. Similar places; occasional or frequent ; 
1-3. Catkins produced on peduneulate leafy shoots, leaves like 
last. III. i. By Lajo at First Pine Wood! ii. Waterfall 
! 
S. babylonica L. is occasionally planted, as by river above 
San Roque Station !] 
planted, but here and there native; 1-3. ([I. Planted. hg gag & 
Near First Pine Wood! Almendral! Almoraima! ii. Valley 
over Frayle Bay! iii. Guadacorte! : 
[P. pyramidalis Rozier, the Lombardy Poplar, is often planted.] 
CyTINACEZ. 
Cytinus Hypocistis L. On roots of Cistacee; occasional ; 
3-5. III. i. Summit of Chair! Cork Wood Crags! Pine Woo 
Plains! ii. Mountains south of Waterfall Valley ! 
CoNIFERA. 
+Pinus halepensis Mill. Woods; rare; 4-5. Cones rather long, 
4 : 
cones, scales with acute ridges. ‘ 
P. Pinea L. Woods; frequent; 4-7. Cones large and ovoid 
or subglobose, scales with obtuse ridges. III. Forms the Pine 
Juniperus Oxycedrus L. Roeky ravines; rare; 3-7. I. West 
Slopes, Schott? ‘III. i. Hills above S. Carbonera, D. 
GNETACE. . 
Ephedra fragilis Dest. Rocky slopes and sandy places; 
frequent on phe occasional in Spain; 4-6. Dr. Stapf says all 
e has seen from the Rock is the type, 7.é. var. Desfontainei Stapi. 
Tt varies much in habit. I.! Especially about Levant ! 
[E. altissima Dest. (E. gibraltarica Boiss.?). Dr. Stapf says 
all he has seen from Nee so named is Z. fragilis. The true 
E. altissima is a very different species. 
Journat or Borany, Juny, 1914. [SuprLeMEnr.] h 
