Linncean Society, 22$ 



LINN^AN SOCIETY. 



Dec. 20, 1836. — A paper was read, entitled "Descriptions of the 

 Species of Polygonum and Fagopyrum contained in the Indian Her- 

 barium of Professor Royle, F.L.S., Sec. Geol. Soc. By Charles 

 C. Babington, Esq., M A., F.L.S. 



Professor Royle's collections were chiefly formed in Sir more, Ku- 

 nawar, and Cashmere, and comprise a considerable number of new 

 species, besides many that are identical with those found by Dr. 

 Wallich in Nepal. The most interesting additions to the present 

 genus consist of five species of the section Avicularia. We sub- 

 join an enumeration of the species, together with characters of the 

 new ones. 



Polygonum, Linn, 

 Sect. 1. Bistorta, Meisn. 



1. P. bulbiferum. 



Spic^ compacta densa basi interrupt^ laxiuscula, bracteis ovatis 

 acuminatis subincisis, staminibus calyce brevioribus filamentis 

 post anthesin elongatis, stylis 2 rarius 3 calyce duplo longioribus, 

 achenio calycis longitudine lenticular! faciebus rotundato-acumi- 

 natis minute granulato-striatis subopacis, foliis caulinis subsessilibus 

 lanceolatis radicalibus petiolatis ellipticis vel elliptico-lanceolatis 

 omnibus in margine revoluto costato-crenatis. 



P. bulbiferum, Royle MSS. 



2. P. macrophyllum, Don. 



3. P. amplexicaule, Don. 



4. P. vaccinifolium, Meisn. 



5. P. affine, Don. 



6. P. Emodi, Meisn. 



Sect. 2. Amblygonon, Meisn. 



7. P. orientale, Linn. 



Sect. 3. Persicaria, Meisn. 



8. P. lanigerum, R. Br. I 10. P. barbatum, Lin?i, 



9. P. hispidum, Don. \ 11. P. scabrinervium. 



Spicis pedunculatis geminatis subcymosis strictis laxis pedunculis 

 longioribus, bracteis acutis eglandulosis glabris 3 — 'i-floris pedi- 

 cellis subaequalibus, floribus 6-andris semidigynis, calyce 4-fido 

 eglanduloso, staminibus inclusis, achenio lenticulari laevi nitido, 

 pedunculis glandulosis, ochreis glabris non ciliatis, foliis lanceo- 

 latis glandulis flavis numerosissimis supra et subtiis notatis glabris 

 margine costaque scabroso-pilosis, cauW erecto ramoso in superior! 

 parte glanduloso. 



P. scabrinervium, Royle MSS, 



12. P. simlense. 



Spicis paniculatis pedunculatis ovato-oblongis multifloris, pedun- 

 culis glandulosis, bracteis turbinato infundibuliformibus parvis 2 — 3- 

 floris pedicellis aequalibus, floribus 4-fidis, 6-andris semi-2-gynis, 

 achenii lenticulari calyce absconditi faciebus planis nitidis minu- 

 tissime granulatis, ochreis cylindricis muticis glabris, foliis lanceo- 

 latis glabris costa setoso-scabru excepta, margine scabro-ciliatis, 



