and about half way along the peduncle 1 to 3 fertile flowers. In spite ot its 

 distinctly 9iiperior ovaries, it clearly belongs in the «roup with Hydrangea 

 chinensis Maxim., and its closest described ally may be Hydrangea kwang- 

 jie«JwHu,Jour. Arnold Arb. 12: 152. 1931, le. PI. ,Sin. 3: 35.1.135. 1933. 



ROSACE.AE 

 Pygeum afTine sp. nov. § Cylopygeum. 



Species P. ciliato Koehne simillima et affinis, differt foliis tenuioribus, 

 glandulis basalibus nullis vel, si praesentibus, planis, obscurissimis, nullo 

 modo marsupialibus, nervis reticulisque supra haud impressis, antheris 

 vix 0.5 mm. longis. Arbor circiter 12 m. alta, ramis teretibus, subatris, 

 consperse lenticellatis, glabris vel junioribus decidue subferrugineo-pube- 

 scentibus, ramulis ultimis dense subferrugineo-villosis, circiter 1.5 mm. 

 diametro; foliis chartaceis, ellipticis vel late oblongo-ellipticis, 11-16 cm. 

 longis, 5-7.5 cm. latis, breviter subobtuse acuminatis, basi plerumque 

 rotundatis, in sicco brunneis vel pallide olivaceo-brunneis, subtus pallidiori- 

 bus, supra ad costam nervosque subferrugineo-pubescentibus, ceteroquin 

 glabris vel in parenchymate pilos paucos brèves conspersissimos ferentibus, 

 subtus ad costam nervosque sat conspicue breviter ferrugineo-pubescenti- 

 bus, in parenchymate conspersissime pubescentibus glabrescentibus, mar- 

 gine planis vel minute revolutis si revolutis minute multiseriatim breviter 

 ciliatis; nervis primariis utrinque 8-9, supra planis, subtus elevatis, per- 

 spicuis, arcuato-anastomosantibus, reticulis primariis gracilibus, distinctis, 

 leviter elevatis; petiolo dense ferrugineo-pubescenti, 6-10 mm. longo; stipu- 

 lis caducis (haud visis); inflorescentiis dense ferrugineo-pubescentibus, 

 racemis 3-5-fasciculatis, vel rariter paniculatis, 4-6 cm. longis, plerumque 

 in axillis defoliatis in ramis annotinis; pedicellis 1.5-3 mm. longis, bracteo- 

 lis oblanceolatis, 1.5 mm. longis, extus dense pubescentibus, intus glabris, 

 caducis; calycibus subcupulatis, extus ferrugineo-pubescentibus, intus, basi 

 exceptis, glabris, deorsum plus minusve angustatis, 3 mm. longis, segmentis 

 10, 5 (sepalis), triangulari-ovatis, acutis, pubescentibus, I mm. longis, 5 

 al ternis (petalis) aequilongis, anguste obovatis, obtusis vel rotundatis; sta- 

 minibus circiter 30, filamentis glabris, 1.5-3 mm. longis; antheris 0.5 mm. 



