230 STANCE DU 30 AVR1L 188G. 



1. Rhododendron neriiflortim, Sp. no v. 



Frutex. Folia oblongo-lanceolata abrupte et breviter acuminata, utrinque glaber- 

 rima, subtus glauco-albescentia, nervis secundariis 12-15, rectis, reticulo nervulorum 

 elevato, retis imequalibus. Flores 10-15, rosei, baud conferti, mox patentee subcernui; 

 pedunculi tomentosi; calyx membranaceus, late campanulatus, lobis late ovatis vel 

 ovato oblongis; corolla pollicaris, glabra, apertc campanulata, lobis 5 fere tequalibus; 

 stamina inclusa, filamentis glabris ; ovarium dense villosum. 



Yun-nan, in monte Tsang-chan (Delavay, n° 294). 



2. R. calopkytum, sp. IIOV. 



Arbor. Folia ampla, crasse coriacea, sub anthesi subtus perfecte glabra, e basi longe 

 attenuuta oblongo-ovata, nervis secundariis utrinsecus usque 20-23, reticulo nervulorum 

 parum elevato, oequali, dcmum quasi granulato. Flores 15-20 fasciculati, purpurci vel 

 rosei, vel albi; pedunculi glabri; calyx disciformis, lobis ovatis fere inconspicuis; 

 corolla fere bipollicaris, late aperteque campanulata, lobis 7-8; stamina 20-22, inclusa, 

 filamentis basi tantum scabris; ovarium glabrum. 



Thibet or., ad Moupine, alt. 4000 m. (A. David). ' 



* 



3. R. decorum, sp. nov. 



Frutex. Folia crasse coriacea, e basi obtusa vel rotundata oblongo-ovata, utrinque 

 glaberrima, subtus glauca, nervis secundariis utrinsecus 17-18, immersis, reticulo vix 

 prominulo, retis inaequalibus. Flores magni, albi vel rosei, immaculati inter se distan- 

 tes; pedunculi glandulis ochraceis conspersi; calyx disciformis, glandulosus, lobis baud 

 distinctis; corolla fere bipollicaris, late aperte campanulata, lobis 7 undulatis ; stamina 

 16, filamentis basi pubescentibus; ovarium glandulis ochraceis dense obsitum. 



Thibet or., ad Moupine, alt. 3000 m. (Ad. David); Yun-nan ad montem Tsong-chan, 

 alt. 2200 m. (Delavay, n°H23) et supra Ta-pin-tze (forma floribus roseis). 



1. It. oreodoxa, Sp. nov. 



Frutex. Folia coriacea utrinque glaberrima, subtus (in sicco) lutescentia,e basi bre- 

 viter attenuata lanceolato-elliptica, nervis secundariis utrinsecus 13-15 parum promi- 

 nulis, reticulo nervulorum elevato, retis tenuissimis aequalibus. Flores 10-12 dense 

 congesti, rosei, purpureo-punctati ; pedunculi glabri, breves; calyx vix conspicuus, 

 obsolete 5-dentatus; corolla ultrapollicaris campanulata, lobis 8 rotundatis; sta- 

 mina 14, filamentis basi brevissime pilosulis; ovarium et stylus glaberrimi. 



Thibet or., ad Moupine (A. David), 



5. r. rotundifoiium Arm. David, Asiatic Soc. North China Branch 

 (1871-1872), p. 2i6; R. orbicular e Decaisne, FL des serres, XXII, 

 p. 169, in nota. 



Thibet or., in monte Houang-chan-Thin, prope Moupine, alt. 4000 m. (A. David). 



6. B. Davidi, sp. nov. 



• 



Frutex elatus. Folia coriacea utrinque glaberrima, subtus (in sicco) lutescentia, anguste 

 oblongo-lanceolata, nervis secundariis utrinsecus 12-16, parum conspicuis, reticulo 

 nervulorum elevato, regulari, retis minutis. Flores 8-10, inter se distantes', magni, 

 lilacini, superne purpureo punctati ; pedunculi simul ac calyx glandulis rufis dense' 

 obsiti ; calyx fere inconspicuus, lobis obsoletis, rotundatis; corolla extus basi glan- 



