Part 6, 1918] ROSACEAE 519 
fruit nearly 1 cm. broad; sepals lanceolate, caudate-acuminate, puberulent and glandular on 
the back, about 15 mm. long; styles not exserted, persistent; achenes inserted in the bottom 
and on the sides of the hypanthium. 
Type collected at Castella, Shasta County, California, July 24, 1912, Alice Eastwood 1389 (herb. 
Arnold Arboretum). 
57. Rosa Sanctae-Crucis Rydb. Bull. Torrey Club 44: 73. 1917. 
Stem 1-2 m. high, dark-reddish-brown glabrous, armed with straight, stout infrastipular 
prickles about 1 cm. long and more or less flattened; leaves mostly 5-foliolate; stipules 1.5—2 
cm. long, pubescent as well as densely glandular-muricate, more or less lobed; free portion 
ovate, obtuse; petiole and rachis villous and glandular-puberulent; leaflets rounded-oval, 
1-3 cm. long, rounded at each end, rather simply serrate, with broad ovate teeth, pilose and 
glandular-puberulent above, villous and conspicuously glandular-muriculate beneath; inflores- 
cence corymbose, many-flowered, leafy-bracted; pedicels short; hypanthium globose, pilose 
when young, in fruit 12-15 mm. in diameter; sepals lanceolate, caudate-attenuate, 15-20 mm. 
long, villous and glandular-hispid, erect and persistent in fruit; styles included, distinct, 
persistent; achenes inserted both in the bottom and on the sides of the hypanthium. 
TYPE LOCALITY: Island of Santa Cruz, California. 
DISTRIBUTION: Type locality; apparently also Monterey. 
88. Rosa corymbiflora Rydberg, sp. nov. 
A tall shrub; stem glabrous, light-brown, shining, armed with straight infrastipular prickles 
8-10 mm. long and somewhat flattened below; stipules narrow, 1-1.5 cm. long, pruinose and 
more or less glandular on the back, glandular-ciliate on the margins, the free portion lanceolate, 
spreading; petiole and rachis puberulent and slightly glandular; leaflets 5-7, broadly oval, 
petioluled, 3-6 cm. long, doubly serrate with gland-tipped teeth, glabrous above, softly puberu- 
lent beneath; flowers corymbose at the end\of the stem; hypanthium globose, smooth, in age 
about 1 cm. in diameter; sepals about 2 cm. long, glandular-hispid on the margins and backs, 
with foliaceous, usually serrate appendages, ascending only in age, persistent; styles scarcely 
exserted. 
Type collected in Shasta County, California, between Pitt and Baird, July 25, 1912, Alice 
Eastwood 1404 (herb. Arnold Arboretum). 
89. Rosa Dudleyi Rydb. Bull. Torrey Club 44: 73. 1917. 
A low shrub, 3-5 dm. high; branches reddish or greenish, armed with infrastipular straight 
prickles 5-10 mm. long, somewhat flattened below, and with smaller scattered prickles on the 
new shoots; leaves usually 5-7-foliolate; stipules narrow, glandular-puberulent and con- 
spicuously glandular-dentate; free portion lanceolate; leaflets rounded-oval or the terminal 
one rounded-obovate, 1-2 cm. long, conspicuously double-serrate with gland-tipped teeth, 
pubescent on both sides and glandular-puberulent and somewhat paler beneath; flower corym- 
bose; hypanthium glabrous, subglobose, in fruit about 1 cm. broad; sepals densely puberulent 
on both sides, grayish within, glandular-ciliolate, in age 12-15 mm. long, caudate-acuminate; 
petals about 1 cm. long. 
TYPE LOCALITY: Booles Home, Converse Basin, Fresno County, California. 
DISTRIBUTION: Known only from the type locality. 
90. Rosa Fendleri Crépin, Bull. Soc. Bot. Belg. 15: 91. 1876. 
Rosa Woodsii Fendleri Rydb. Fl. Nebr. 21: 22. 1895. 
Rosa poetica Tunell, Am. Midl. Nat. 3: 139. 1813. 
Stem low, 1 m. high or less, brown or by peeling off the bark gray, terete, armed with a 
few prickles, which are straight, slender, 5 mm. long or less; floral branches 1—2 dm. long, 
often unarmed; stipules short, adnate, 1-1.5 cm. long, the lower narrow, the upper dilated, 
densely glandular-pruinose on the back, more or less glandular-dentate; free portion ovate or 
lanceolate, more or less spreading; rachis and petiole densely glandular-puberulent, and often 
