47<s 



Exctrpta Botunica. 



lamina 1-3 pollices longa, nunc longitudine aequilata, nunc angustior, 

 basi 5- v. 7-ncrvis, niembranacea, subtus in axillis nervorum lanafloc- 

 cosa, rufescente vel lutescente barbata ; serraturae triangulares vel 

 rotundatae, plus minusve approximatae, vel distantes, inaequales vel 

 subaequales, mucrone brevi, cartilagineo, albido, nonnunquam apice 

 calloso mucronatae ; petiolus gracilis, G-24 lineas longus (foliorum 

 innmorum semper lamina brevior). Pedunculi plerumque folio paulo 

 longiores (semper petiolo longiores) ; bractea lanceolata, v. lanceo- 

 lato-oblonga, apice rotundata v. attenuata, flores superans pedicellisve 

 superata, nunc usque ad basin pedunculi decurrentes, vel ab ea plus 

 minusve remota ; pedicelli umbeilati, v. corymbosi, v. trichotome cy- 

 mosi, pedunculi parte libera nunc longiores, nunc breviores. Sepala 

 vix ultra 2 lineas longa, oblongo- v. ovato-lanceolata, obtusiuscula, 

 subtus glabra v. pulverulenta, supra sericeo-tomentosa. Petala 2^-3 

 lineas longa, lanceolato- v. oblongo-spathulata, obtusa, albida, apice 

 obsolete crenulata. Stamina 25-30, libera (an semper ?), petalis de- 

 mum dimidio longiora. Ovarium sericeo-tomentosum. Stylus glaber, 

 post anthesin staminibus vix superatus. Nux pisi minoris volumine, 

 tenuis, fragilis, tomento rufescente, floccoso, demum deciduo induta, 

 immatura turbinata v. pyriformis. 



Habitat in Europa fere tota, praesertim borealiori, necnon in mon- 

 tibus Uralensibus ac Caucasicis, inque Siberia Australiori (v. v. c. et 



S P-)- * ' 



b. Nux coriacea, sub (zquilater alia : costis prominulis. 



TILIA INTERMEDIA, DeC. — T. foliis e basi subaequaliter v. ob- 

 lique cordata v. dimidiato-cordata, v. truncata, v. rotundata subro- 

 tundis, v. ovato-subrotundis, v. ovatis, cuspidato-acuminatis, in- 

 a?qualiter serratis, supra laete viridibus, subtus pallidioribus (vix 

 j glaucis) : summorum petiolo lamina dimidio — duplo breviore. Pe- 

 dunculis 2-7-floris ; nuce subturbinata, vel oblique obovata, umbo- 

 nata,velutina. — Tilia intermedia, DeC. Prodr. — T. europcea, Smith, 

 Eng. Bot. t. 610. Svensk, Bot. t. 40. Flor. Dan. t. 553. — T. vul- 

 garis, Hayn. Arzn. iii. tab. 47. Guimp. etHayn. Deutsch. Holz. 

 t. 107.— T. Tecksiana, C. Bauh. 



Arbor 40-60 pedalis ultraque. Cortex vetustior nigricans, rimo- 

 sus. Rami divergentes, suberecti, comam pyramidalem vel conico- 

 pyramidalem efformantes. Ramuli annotini olivacei vel lutescentes. 

 Gemmae ovata?, subcompressae, laevigatas, olivaceae vel purpuras - 

 centes. Foliorum lamina 2-3 \ pollices longa, 18-45 lineas lata (fo- 

 lia surculorum sterilium usque ad 4^ pollices lata totidemque longa), 

 niembranacea, basi 5- v. 7-nervis, supra laevigata, subtus in venarum 

 axillis lana floccosa dilute fulva v. lutea, v. castanea barbata ; serra- 

 turae triangulares, v. rotundatae, plus minusve inaequales, mucrone 

 brevi cartilagineo saepe apice sphacelato acuminatae ; petiolus 6-20 

 lineas longus, gracilis. Pedunculi foliis fere aequilongi, vel paulo 

 breviores, plerumque 4-7-flori ; pedicelli parte libera pedunculi sub- 

 sequilongi, vel paulo breviores, umbeilati, vel corymbosi, vel dicho- 

 tome sive trichotome cymosi ; bractea lanceolata, v. lanceolato-ob- 

 longa, subobtusa, plerumque usque ad basin pedunculi decurrens. 

 Sepala ovato- v. oblongo-lanceolata, obtusiuscula, supra glabra, sub- 



