io8— ROSA MACDOUGALII 
Rosa Macdoligalii : caule bruneo, ramosissimo ; aciileis pluribus, rcctis, patulis, 
inaeqiialibiis, nullis geminis ; foliolis 5-7, parvis, oblongis, obtusis, simpliciter 
serratis, utrinqiie glabris ; rhachi glabra, parce aciculata ; stipulis apicibiis parvis, 
patulis, ovatis, liberis, praeditis ; floribiis solitariis ; pedunculis brevibiis, aciculatis ; 
calycis tubo globoso, dense aciciilato ; lobis lanceolatis, acuniinatis, integris, 
dorso glabris ; petalis rubellis, magnitudine mediocribus ; stylis dense pilosis ; 
fructu globoso, aciculato, sepalis persistentibus coronato. 
R. Macdoligalii Holzinger in Coult, Bot. Gaz. vol. xxi. p. 36 (1896). 
Stems brown, much branched ; prickles numerous, unequal, straight, spreading, 
none in pairs. Leaflets 5-7, small, oblong, obtuse, \ in. long, simply toothed, 
glabrous on both surfaces ; glabrous, slightly aciculate ; stipules with small, 
ovate, spreading, free tips. Flowers solitary ; peduncles short, aciculate. Calyx- 
tube globose, densely aciculate ; lobes lanceolate, acuminate, entire, | in. long, 
glabrous on the back. Petals pink, middle-sized. Styles very hairy. Fruit 
globose, hispid, crowned with the persistent sepals. 
Rosa Macdougalii is a native of the United States. It is found 
in the mountains of Montana and Idaho at a height of about 3,000 feet. 
In habit it closely resembles the European Rosa spinosissima L. 
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