40 PLANT INVENTORY NO. 135 



128924 to 128984— Continued 



128964. Piptanthus nepalensis (Hook.) Sweet. Fabaceae. 



A shrub from 2 to 11 feet high, with palmately trif oliolate leaves made up of 

 lanceolate leaflets 2 to 4 inches long; the yellow pea-shaped flowers, 1 inch 

 long, are borne in dense racemes resembling bunches of grapes. Native to the 

 temperate Himalayas at altitudes of 7,000 to 9,000 feet. 



For previous introduction see 122117. 



128965. Polygala arillata Buch.-Ham. Polygalaceae. 



An erect shrub 4 to 8 feet high, native to southeastern Asia. The lanceolate 

 to ovate leaves are 4 to 6 inches long and the irregular flowers, y 2 inch long, in 

 drooping panicles, have red-purple sepals and. yellow petals. The broadly 

 reniform, fleshy capsules are nearly 1 inch across. 



For previous introduction see 102772. 



128966. Polygonum roettleei Roth. Polygonaceae. 



A polygonum with slender erect or ascending stems 2 to 3 feet high and lanceo- 

 late leaves 2 to 6 inches long. It is allied to Polygonum hydropiper and is native 

 throughout India in wet places, ascending to 4,000 feet in the Himalayas. 



128967. Polygonum molle D. Don. Polygonaceae. 



A shrubby perennial 2 to 3 feet high, with white flowers in large thyrselike 

 terminal panicles. Allied to Polygonum polystachyum. Native to Nepal, at 

 altitudes of 5,000 to 7,000 feet. 



For previous introduction see 122110. 



128968. Potentilla leuconota D. Don. Rosaceae. 



A herbaceous perennial with many oblong leaves 2 to 6 inches long and erect 

 or ascending flower stems with umbellate clusters of small yellow flowers. 

 Native to the alpine Himalayan region at altitudes between 10,000 and 16,000 

 feet. 



128969. Poterium diandrum Hook. f. Rosaceae. Burnet. 



A glabrous erect perennial herb 2 to 3 feet high, native to the temperate slopes 

 of the Himalayas at altitudes of 10,000 to 13,000 feet. The pinnately compound 

 leaves, 6 to 10 inches long, are made up of crenate cordate leaflets 1 inch long, 

 and the small dark-purple flowers, in heads 1 inch in diameter, are followed 

 by pendulous 4-winged fruits V4 inch long. 



For previous introduction see 102323. 



128970. Primula geraniifolia Hook. f. Primulaceae. 



A very slender primula with acutely lobed orbicular leaves 2 to 3 inches in 

 diameter and simple and superimposed whorls of lilac flowers. Native to the 

 Himalayas between Sikkim and Bhotan at an altitude of about 10,000 feet. 



128971. Prunus acuminata (Wall.) Hook. f. Amygdalaceae. Cherry-laurel. 



A slender-branched tree 30 to 40 feet high, with narrow leaves up to 7 inches 

 long and many-flowered racemes of yellowish-white flowers. The fruit is a 

 small oval drupe. Native to the central and eastern Himalayas at altitudes 

 between 5,000 and 7,000 feet. 



For previous introduction see 124755. 



128972 to 128976. Rhododendron spp. Ericaceae. 



128972. Rhododendron camelliaeflorum Hook. f. 



An often epiphytic evergreen shrub 2 to 3 feet high, with densely scaly 

 branchlets, native to the Himalayas between 9,000 and 11,000 feet altitude. 

 The narrowly oblong, obtusely mucronate leaves, 2 to 4 inches long, are gla- 

 brous and reticulate above and densely scaly beneath. The pink-tinged white 

 flowers, an inch across, are fleshy with a short broad tube and a widespreading 

 limb. 



For previous introduction see 102777. 



