E. SPACH. — Revisio Tilianim. 335 



vel rotuadâlae, plus minusve approxiraatae, vel distantes, inaequales vel subae- 

 quales, inucrone brevi, cartilagineo , albido, nonnumquam apice calloso mu- 

 cronatse; petiolus gracilis, 6-24 lineas longns ( foliorum infîmorum semper 

 lamina brevior ). Pedunculi plerumque folio paulo longiores ( semper pétiole 

 longiores); bractea lanceolata, v. lanceolato-oblonga, apice rotundata v. 

 attenuata, flores superaiis pedicellisve superata, nunc usque ad basin pe- 

 dunculi decurrens , -vel ab ea plus minusve remota; pedicelli umbellati, v. 

 corymbosi, v. trichotome cymosi ; pedunculi parte libéra nunc longiores, nunc 

 breviores. Sepala vix ultra 2 lineas longa, oblongo-v. ovato-lanceolata , oblu- 

 siuscula, subtus glabra v. pulverulenta, supra sericeo-tomentosa. Petala 2 1/2-3 

 lineas longa, lanceolato-v. oblongo-spatbulata, obtusa, albida, apice obsolète 

 crenulata. Stamina 25-3o, libéra ( an semper?), petalis demum dimidio lon- 

 giora. Ovarium sericeo-tomentosum. Stylus glaber, post anthesin staminibus 

 Tix superatus. Nux pisi minoris volumine, tenuis, fragilis, tomento rufescente, 

 floccoso, demum deciduo induta, immatura turbinata v. pyriformis. 



Habitat in Europa fere tota, praesertim borealiori, nec non in montibus 

 Uralensibus ac Gaucasicis, inque Sibiria australiori. ( v. v. c. et sp. ) 



b) Nux coriacea, subœquilatera : costis prominulis. 

 Tflia intermedîa De Cand. 



Tilia intermedia De Cand. Prodr. — Tilia europœa Smith, 

 Engl. Bot. tab. 610. — Svensk Bot. tab. 4o. — Flor. Dan. tab. 

 553. — Tilia vulgaris Hayn. Arzn. III, tab. 47- — Guimp. et 

 Hayii. Deutsch. Holz. tab. 107. — Tilia Tecksiana C. Bauh. 



T. foliis e basi subaeqiialiter v. oblique cordata, v. dimidiato- 

 cordata, v. truncata, v. rotundata subrotundis, v. ovato-subro- 

 tundis, V. ovatis, cuspidato-acuminatis, inaequaliter serratis, 

 supra laete viridibus , subtus pallidioribus ( vix glaucis ) : sum- 

 morum petiolo lamina dimidio — duplo breviore. Pedunculis 2 — 

 7-floris; nuce subturbinata vel oblique obovata, umbonata, 

 velutina. 



Arbor 4o-6o-pedalis ultraque. Cortex vetustior nigricans, rimosus. Rami 

 divergentes, suberecli, comam pyramidalem vel conico-pyramidalem effor- 

 mantes. Ramuli annolini olivacei vel lutescentes. Gemmae ovatae, subcompressae, 

 •laevigatae, olivaceae, v. purpurascentes. Foliorum lamina 2-3i/2 poUices longa, 

 i8-45 lineas lata (folia surculorum sterilium usque ad 4 i;2 pollices lata 

 totidemque longa), membranacea, basi 5-v. 7-nervia, supra laevigata, subtus 

 invenaruraaxillislanafloccosadilute fulva, v. lutea, v. castauea barbata; serraturse 



