8o— ROSA PINETORUM Heller 
Rosa pinetorum : caule ramosissimo ; aculeis rectis, patulis, gracillimis, 
inaequalibus, interdum geminis ; foliolis 5-7, parvis, oblongis, obtusis, membran- 
aceis, simpliciter serratis, utrinque glabris ; rhachi glabra, parce aciculata ; stipulis 
angustis, apicibus liberis lanceolatis ; floribus solitariis ; pedunculis brevibus, 
nudis; calycis tubo globoso, nudo ; lobis lanceolatis, integris, dorso glandulosis ; 
petalis rubellis, magnitudine mediocribus ; stylis pubescentibus ; fructu parvo, 
globoso, rubro, sepalis persistentibus coronato. 
R. pinetorum Heller in Muhlenbergia , vol. i. p. 53 (1904). 
Stents much branched ; prickles vz ry slender, straight, spreading, unequal, some 
in pairs. Leaflets 5-7, few, oblong, obtuse, simply toothed, very thin, J-J in. long, 
glabrous on both surfaces ; petioles glabrous, slightly aciculate ; stipules narrow, 
with lanceolate free tips. Flowers solitary ; peduncles short, naked. Calyx-tube 
globose, naked ; lobes lanceolate, entire, glandular on the back. Petals middle- 
sized, pink, ii in. long. Styles pubescent. Fruit small, globose, red, crowned 
with the persistent sepals. 
Rosa pinetorum was discovered in the pinewoods of Monterey 
county, southern California. In habit it comes nearest to Rosa 
gymnocarpa Nutt. 
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