85 -ROSA SPINOSISSIMA, var. OCHROLEUCA Baker 
Rosa spinosissiina, var. ocJivoleuca : a typo recedit caule altiore, floribus 
majoribus, luteis. 
R. ocJiroleuca Swartz in Mem. Svensk. Acad. pt. 2, p. 3 (1820). 
Stems erect, branched, 3-4 feet high ; prickles crowded, slender, straight, passing 
gradually into aciculi. Leaflets 7, small, oblong, simply serrated, glabrous on both 
surfaces ; petioles glabrous or slightly glandular ; stipules adnate, with small ovate 
free tips. Flowers solitary ; pedicels naked. Calyx-tube globose, naked ; lobes 
simply lanceolate, glabrous on the back. Petals pale yellow. Styles free, villous, 
not protruded. globose, dark brown, naked, crowned by the persistent sepals. 
The herbarium of the British Museum contains an authentic 
specimen of the Rosa ochroleaca of Swartz. The plant growing at 
Tresserve, from which our drawing was made, answers in every respect 
to the Swartz specimen. In the Kew herbarium there is a specimen 
collected by Mr. John Ross at Sachow, in northern China, and labelled 
“ Common yellow garden Rose.” 
This Rose differs from Rosa xanthina of Lindley {Rosa platy- 
acantha Schrenk)by its slender prickles intermixed with copious aciculi. 
It is quite hardy in England, whilst Rosa xanthina is only doubtfully 
so. Sabine in his enumeration of the varieties of the Double Scotch 
Rose includes four forms with yellow flowers. He calls them “The 
Small Double Yellow,” “The Pale Double Yellow,” “The Large 
Double Yellow,” and “ The Globe Double Yellow.”^ 
The present Rose is the Rosa spinosissima luteola of Andrews,^ 
and his figure is one of the best in the collection. 
* Trans. Hort. Soc. Nov. 7, 1820. 
^ Roses, vol. ii. t. 128 (1828). 
25s 
