79— ROSA MOHAVENSIS Parish 
Rosa mohavensis : caule ramosissimo ; aculeis rectis, patulis, gracilibus, valde 
inaequalibus, interdum geminis ; foliolis 5-7, oblongis, obtusis vel subacutis, sim- 
pliciter serratis, firmis, utrinque glabris ; rhachi glabra, parce aciculata ; stipulis 
liberis, apicibus liberis,ovatis; floribus solitariis; pedunculis nudis, modice brevibus; 
calycis tubo globoso, nudo ; lobis parvis, integris, lanceolatis, dorso nudis ; petalis 
obovato-cuneatis, parvis, rubellis ; stylis pubescentibus ; fructu globoso, nudo, 
sepalis persistentibus coronato. 
R. mohavensis Parish in Bull. South Calif. Acad. vol. i. p. 87 (1902). 
Stems much branched ; prickles slender, straight, spreading, very unequal, 
some in pairs. Leaflets 5-7, oblong, obtuse or subacute, in. long, firm in texture, 
simply toothed, glabrous on both surfaces ; petioles glabrous, slightly aciculate ; 
stipules free, with small, ovate, free tips. Flowers solitary ; peduncles naked, not 
very short. Calyx-tube globose, naked ; lobes small, lanceolate, entire, J-f in. long, 
naked on the back. Petals small, obovate-cuneate, pink, f in. long. Styles 
pubescent. Fruit globose, naked, crowned with the persistent sepals. 
Rosa mohavensis is a native of the mountains of southern California. 
It has the habit of Rosa spinosissima L., but differs from it in several 
particulars, having geminate prickles and fewer leaflets. 
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