CUPULIFER/E 193 



CALLITRICACE/E. 



Callitriche hamulata Kutz. and C. stagnalis Scop, are found in pools 

 and streams in several places in the Var. 



ARTOCARPACE^. 



FICUS L. 



F. Carica L. Common Fig. The Fig is cultivated throughout the Riviera 

 except in the mountains, and is apparently wild or naturalized here and there by 

 streams, in woods, and rocky places. May-July. 



An interesting historical and descriptive account of " The Common Fig 

 Tree " was published by Mr. Clarence Bicknell of Bordighera in 1912, after he 

 had given a short lecture on the subject from information collected during many 

 years. 



JUGLANDACE^E 



Juglans regla L. The Walnut (orig. from the East) is often cultivated 

 and occasionally appears subspontaneous. 



CUPULIFER^E. 

 Tribe I. BETULE^E. Styles 2. Fruit winged. 



Stamens 2 ; scales of J spike thin, deciduous 3-fid BETULA. 



Stamens 4 ; scales of 5 spike persistent, woody ALNUS. 



Tribe II. QUERCINE^E. Styles 3-9. Fruit not winged. 



f catkins slender. Styles 3-4, short QUERCUS. 



(J catkins globose. Styles 3, filiform FAOUS. 



catkins long. Involucre of capsule very spiny. Styles 4-9 CASTANEA. 



Tribe III. CORYLEjE. Styles 2. Fruit not winged. 



5 spike minute, with few brown scales and 2 crimson styles CORYLUS. 



$ spike in a loose cluster with many leafy scales ; male catkin solitary 



CARPINUS. 

 $ spike large (4 cms.), cone-shaped ; male catkins in clusters OSTRYA. 



BETULA Tourn. 



B. alba L. Silver or Common Birch. This tree is found on some of the 

 northern slopes and colder places in the Maritime Alps. April-May. 



ALNUS Gaertn. 



A. glutinosa Gaertn. Alder. Damp woods and by streams and rivers. 

 Feb. -April. Not uncommon in shady valleys such as that of the Gapeau (Var). 



CASTANEA Mill. 



C. sativa Scop. Sweet or Spanish Chestnut. Mountain woods chiefly on 

 siliceous soil, and in the lower Maritime Alps at about 700 metres it forms 

 beautiful glades, as e.g. at San Dalmazzo di Tenda. May-June. In Liguria it 

 extends from about 300 to 1000 m. (Bicknell). 



FAQUS L. 



F. silvatica L. Beech. Mountain woods, as e.g. in the Bois de la Sainte- 

 Baume, where there are very fine specimens ; in the north of the Var, and the 

 montane region of les Alpes-Marit., where, with the Scots Pine, it takes the place 

 of the Mediterranean Pines, first on the northern and then higher on the southern 

 slopes. These in their turn giving way to the Spruce and Larch. April-May. 



QUERCUS L. 



Q. pubescens Wllld. = Q. lanuginosa Thuill. Hoary Oak. Sometimes 

 considered a downy variety of Q. Robur L. which is found only in the mountain 

 woods. Leaves deeply lobed, covered at first with a thick whitish tomentum be- 



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