Species proxinia L. parvifolia Edgw. differt bracteolis magnis 

 connatis, ovariis liberis, praeter alia signa. 



83. Synopsis specierum generis Dipelta Maxim. 

 Clavis specierum: 



1. Dentes calycis multo longiores quam lati, acntissimi, incisura 



acutissima, stylus glaber 2 



Dentes calycis breves aeque longi ac lati, subobtusi vel acuti, 

 incisura obtusa vel rotund ata, corollae dense pubescentis tubus 

 angustus calyce exsertus,. stylus pilosus D. elegans m. 



2. Corollae glabrae tubus angustus calyce longe exsertus, calyx fere 



ad basin partitus, sub anthesi bracteis bracteolisque complete 

 occultatus, calycis segmenta linearia . . B. floribunda Maxim. 

 Corollae glabrae tubus angustus brevissimus calyce inclusus, co- 

 rolla fere a basi late dilatata, calyx solum ad % partitus, sub 

 anthesi bracteis bracteolisque non tectus, calycis segmenta lan- 



ceolata J), yunnanensis Franch. 



D. floribunda Maxim. Mel. biolog. de l'Acad. des sciences de 

 St. Petersb., 1877, t. X, p. 78. - Shensi: in mentions circa 

 Han chun fa, 9 Apr. 1875 flor. (Piasezky!); Kansu orientale: val- 

 hs fl. Peiho prope pagum Terga, 12 Jul. 1885, fructif. (Potanin!), 

 prope oppid. Hui hien, Aug. 1892, flor. (Beresovsky!); Bupeh, 1889, 

 m 6558 et 6699 (Aug. Henry!). 



V. yunnanensis Franch. Revue horticole 1891, p. 246, cum 

 xylogr. fig. 62. — Yunnan: in silvis ad collum Yen-tze-hay supra 

 Lankong, 2 Jim. 1886, flor. (Delavay!). 



D elegans. Frutex usque orgyalis; folia opposita breviter petio- 

 Jata elliptica basi acuta apice subito acuminata, margine integerrima 

 vel rarissime dnnidio supero minute et dissite dentato glafidulosa, 

 utnnque glabra, solum margine et secus nervos subtus parce pubes- 

 cent*; inflorescentia terminalis; cyma umbelliformis saepissme 4-flora 

 et praeterea flows solitarii axillares in axillis foliorum supremorinn; 

 pedunculus petiolo paullo longior; pedicelli longissiini pilis glnndn- 



