98 ROSACES. 



terminal! obovato vel ovato-oblongo 11 mm. longo 7 mm. lato utrinque obtuso 

 margine serrato, (serris ascendentibus subrectis acutis latere superioribus 

 mm. longis latere inferioribus 1 mm. longis apice acutis callosis), supra 

 costa impressa, venis venulisque impressis reticulatis, subtus costa prominente 

 elevata aculeolis trnncatis minutis 2-3 instmcta, petiolulo 3-4 mm. longo, 

 foliolis lateralibus eo terminali conformibus subsessilibus minoribus, foliolis 

 infimis minimis 6 mm. longis 3^ mm. latis, foliolis oppositis, jugis 4 mm. a se 

 remotis, petiolis commuuibus 1 cm. longis cum rhachidibus supra profunde 

 sulcatis subalatis setulis glandulosis tnincatis remote instructis, ad nodos 

 jugorum hirsutis, subtus aculeolis acutis remote instmctis, stipulis lineari- 

 bus fere perfecte cum petiolo connatis 5 mm. longis margine fimbriatis, 

 partibus b'beris linearibus 2 mm. longis recurvis. Flores ad apicem ramorum 

 lateralium solitarii terminales, pedunculis 1 cm. longis setulis glandulosis 

 paucissime instmctis cgeteram glabris. Calycis tubus urceolato-ovoideus 3 

 mm. longus 2^ mm. latus, lobis cuspidato-ovatis extus prope marginem setulis 

 glandulosis instmctis pauce hirsutis intus dense velutinosis 9 mm. longis 

 (excepte cuspides) 3 mm. latis apice cuspidatis vel tricuspidatis, (cuspidibus 

 linearibus 3 mm. longis f mm. latis), basi utroque latere cuspidibus singulis 

 instructis, interdum utraque pagine velutinosis. Petala 5 obcordata apice 

 cordato-emarginata vel breve 2-lobata basi late cuneata ad basin truncata, 

 partibus trancatis 3 mm. latis ad basin contractis ad insertionem 1 mm. latis. 

 Stamina oo fauce tub! calycis affixa oo-seriata, filamentis circ. 4 mm. longis 

 subcrispatis filiformibus glabris, antheris late reniformibus 1 mm. latis, latioribus 

 quam longioribus basi 2-lobatis apice emarginatis. Discus ultra calycis tubum 

 productus annulari-conicus, partibus productis mm. longis. Styli 9-10. 

 Carpella 9-10, in tubo calycis incluso longe et dense albo-setuloso-pilosa, 

 cavo calycis dense piloso-setuloso, setulis albis erectis rectis 2 mm. longis. 

 Ovarium f usiforme 1 mm. longum, stylo filiform! longe exserto 5 mm. longo 

 apice incrassato, stigmate botrioideo-pectinato. 



HAB. Mt. Morrison, leg. U. Mom. 



Near R. Willmottice HEMSL. (Bot. Mag. t. 8186), but differs from it by 

 the much smaller leaflets with acuter serration and much smaller alternate 

 (not opposite) spines. 





