1867 
large roots, used as cattle feed. The seeds are sown at the beginning 
of the rainy season, from August to October." (Trabut.) 
Rosa spp. (Rosaceae), 56281 and 56477. Rose. From China. Col- 
lected by J. F. Rock, Agricultural Explorer of the Bureau of Plant 
Industry. Quoted notes by Mr. Rock. 
56281. ROSA sp. "(No. 6738. November, 1922.) Seeds of a large 
climbing rose growing wild on the slopes of Tengyueh, at an altitude 
of 6,000 feet. The white flowers are in large terminal corymbs, and 
the fruits are oval and reddish." 
56477. ROSA sp. "(Yunnan. December 3, 1922.) Cuttings of a 
wild rose found in the valley of the Upper Salwin. It is very attrac- 
tive, with thousands of large white flowers, each 3 inches across, and 
could easily.be trained on arbors. Strange to say, the flowers are 
double; perhaps it is a sport." 
RUBUS fraxinifouus (Rosaceae), 56273. Raspberry. From Los Banos , 
Philippine Islands. Seeds presented by Prof. J. E. Higgins, College 
of Agriculture. A scrambling shrub, with branches 2 to 4 meters (6& 
to 13 feet) long, which is very common in the mountains from Luzon to 
Mindanao, Philippine Islands. The stems and leaves are armed with sharp 
spines, and the white flowers are about 2 cm. (nearly an inch) across. 
The bright red berries, 10 to 15 mm. (about half an inch) in diameter, 
borne in clusters, are fairly juicy and edible, but rather tasteless. 
(Adapted from Brown, Wild Food Plants of the Philippines, p. 63.) 
trifolium johnstoni (Fabaceae), 56458. Clover. From Kilossa, Tan- 
ganyika Territory, East Africa. Seeds presented by Capt. Charles M. F.^ 
Swynnerton, Kilossa, through Dr. H. L. Shantz, Bureau of Plant Indus- 
try. "At high altitudes in East Africa clover is one of the prominent 
forage plants . It grows where the temperature probably never exceeds 
85° F. and where for the greater part of the year it is much below this 
point. However, no frosts occur in this region." (Shantz.) 
A smooth perennial clover with the habit of white clover ( Trifolium 
repem) found at an altitude of 10,000 feet on Kilimanjaro, Tanganyika 
Territory. The leaves are long stemmed, with membranous leaflets and 
globose flower heads about an inch in diameter, (Adapted from Transac- 
tions of the Linnean Society, 2d ser., vol. 2, p. 331.) 
Notes on the Behavior of Previous Introductions. 
CHAYOTA edulis (Cucurbitaceae) . Chayote. "I gathered about 300 
chayotes weighing around a pound each from my one vine, and blooms 
enough for a thousand, apparently, went unfertilized. I exhibited 2 
bushels of chayotes at our little county fair where they attracted 
