Tab. 8658. 

 alnus cordata. 



Italy and Corsica. 



Cupuliferae. Tribe Betuleae. 

 Alnus, Linn. ; Benth. ct Hook.f. Gen. Plant, vol. iii. p. 404. 



Alnus cordata, Desf. Tall. Hort. Paris, ed. 2, p. 244 ; Dippcl, Handb. d. 

 Laubkolzk. Teil ii. p. 148 ; Winkler in Engl. Pflanzenr.-Betulaceae, p. 110, 

 fig. 26 ; C. K. Schneider, Handb. d. Laubholzk. vol. i. p. 125, fig. 67, e-e' 2 ; 

 Henry in Flwes & Henry, Trees of Gt. Brit. <f Irel. vol. iv. p. 949, t. 254 ; 

 Briquet, Prodr. Fl. Corse, vol. i. p. 406; species A. subcordatae, C. A. 

 Meyer, maxime affinis, sed ramulis glaberrimis, foliis saepe late ovatis 

 vel suborbicularibus regulariter crenato-serratis basi majus cordatis, amentis 

 masculis brevioribus, strobilis majoribus differt. 



Arbor pyramidalis, ad 24 m. alta cortice griseo-brunneo leviter vemicoso ; 

 rarnuli juniores glaberrimi. Folia saepe late ovata vel suborbicularia, 

 interdum elliptica, apice acuta acuminata vel rotundata, basi plus minusve 

 cordata, rarius rotundata vel truncata, 6-9 cm. longa, 5-7 cm. lata, supra 

 glaberrima, atro-viridia, nitida, infra pallidiora, praeter venarum axillas 

 barbellatas glaberrima, interdum utrinque punctulis resinosis aspersa ; 

 venae laterales primariae utrinsecus 6-10 ; petiolus 2 ' 5-5 cm. longus. 

 Amenta mascula 3-6, in racemum terminalem disposita, 5-12 cm. longa. 

 Amenta femina (strobili) solitaria vel 2-3 in racemo erecto ; fructifera 

 ovoidea vel ellipsoidea, 2*5-3 cm. longa, 1*5-2 cm. lata. Nuculae sub- 

 orbiculares ala angusta cinctae. — A. cordifolia, Ten. Fl. Nap. Prodr. p. 54, 

 et Fl. Nap. vol. ii. p. 340, t. 99 ; Lodd. Bot. Cab. t. 1231 ; Loud. Arb. et 

 Frut. Brit. vol. iii. p. 1689, fig. 1545; Bertol.Fl. Ital. vol. x.p. 160; Kegel, 

 Monogr. Betulac. p. 110, t. 16, fig. 21-27, et in DC. Prodr. vol. xvi. pars 2, 

 p. 185 ; Gard. Cbron. 1883, vol. xix. p. 284, fig. 42 ; Piccioli, Piante Legn. 

 Ital. p. 281 ; Mouillefert, Traite des Arbres, p. 1131, t. col. 20; Bean, Trees 

 & Shrubs, vol. i. p. 179, cum icon. A. neapolitana, Savi, Tratt. Alb. 

 Tosc. ed. 2, vol. ii. p. 21. A. macrocarjpa, Req. ex Nyman, Consp. p. 672. 

 Betula cordata, Loisel. Notice, p. 139. — S. A. Skan. 



The Italian alder, popularly known in Italy as the 

 Ontano Napoletano, is the second of the seventeen species 

 comprising the genus to appear in the Botanical Magazine ; 

 the other, A. nitida, Endl., from the Western Himalaya, 

 is figured at t. 7654. It is a handsome tree, flourishing 

 in dry as well as in damp situations, in the former, 

 according to Mouillefert, better than either the common 

 or the grey alders. Its introduction into this country 

 dates from the year 1820, and it is now represented in 

 cultivation by many line specimens. The finest known 



An;iL, 1916. 



