TAB. 8840. 
RIBES JESSONIAE. 
West China. 
RipesiacEaE. Tribe RiBeEsiKae. 
Ries, Linn. ; Benth. et Hook. f. Gen. Plant. vol. i. p. 654 (Saxifragaceae) ; 
Janczewski, Monogr. Grosseill. in Mem. Soc. Phys. et Hist. Nat. Genéve, 
vol. xxxv. pp. 199-518. 
Ribes (§ Berisia) Jessoniae, Stapf; species nova arcte affinis R. Maximowiestt, 
Bat., sed racemis perlongis multifloris, fructibus setis glanduliferis breviori- 
bus tenuioribus multo laxius vestitis plane distinctum. 
Frutex dioicus, ramosus, elatus, ad 2 m. altus, inermis; rami hornotini 
ramulique tenuiter pubescentes et sparsim glanduloso-setulosi, vetustiores 
cortice badio vel fusco longitudinaliter fisso obtecti. Folia forma varia, 
magis minusve ovata, lata, basi subtruncata vel saepius haud alte cordata, 
plerumque 8- vel 5-lobata vel sublobata, rarius elobata, grosse et inae- 
qualiter duplo-serrato-dentata, 6-10 cm. longa lataque, supra pilis brevis- 
simis parcis obsita, infra molliter pilosa imprimis ad nervos; petioli 
2-4 cm. longi, patule villosi et praeterea glanduloso-setulosi. Racemi in 
brachycladiis terminales, erecti vel subnutantes, deinde ob ramulum e 
brachycladio evolutum pseudo-laterales, 12-15 cm. longi; bracteae lanceo- 
latae, acutae, 5-7 mm. longae, pubescentes et parce glandulosae ; pedicelli 
3-4 mm. longi, indumento eodem ac bracteae. Flores ¢ pelviformes. 
Receptaculum 2 mm. altum, pubescens et basi glandulosum. Calyx 
intense fusco-ruber; lobi subrotundi, 2-3 mm. longi. Petala minuta, 
1 mm. longa, spatulato-unguiculata, ungui lineari, limbo 1 mm. lato. 
Stamina 1 mm. longa, filamentis basi paulo dilatatis. Styli ovarii im- 
perfecti 2 mm. longi, basi connati, petala aequantes. Flores 2 simillimi, 
nisi receptaculo in ovarium inferum ovoideum villosulum et setis aoa 
liferis 0°5 mm. longis densius obtectum_deducto, antheris ad tu a 
receptaculo adnata redactis et stylis ad medium coalitis petala superantibus. 
Fructus ovoideo-globosus, ad 1 cm, diametro, flore persistente coronatus, 
rufo- vel rubro-lutescens, albido-pubescens et setis glanduliferis 1 mm. 
longis laxiuscule tectus. Semina ambitu obovato-elliptica, fere 2 mm. lata, 
brunnea, vix marginata.—R. Mazximowiczw, Jancz. in Bull. Acad. Sci. 
Cracov. 1910, p. 75, partim; Rehder in Sargent, Plant. Wilson. vol. i. p. 46, 
153; Schneider, Handb. Laubholzk. vol ii. p. 498, quoad spec. Wilson ; W. J. 
Bf[ean] in Gard. Chron. 1916, vol. lix. p. 272, fig. 114; non Bat., nee Janez. 
Monogr. Grosseill. R. Maximowiczii, var. floribundum, Jesson in Kew 
Bull, 1915, p. 347.—O. Srapr. 
The very interesting Ailes figured here was discovered 
by Mr. E. H. Wilson in Western Szechuan in July, 1903, 
and was collected by him again near Ta-chien-lu in 1904. 
According to the Plantae Wilsonianae it was found by the 
same collector in 1908 and in 1910 in various other 
JaNUARY-MarcH, 1920. 
