41 



This species recently described from specimens collected in the Prov- 

 ince of Abra, Luzon, is apparently represented by the following specimens, 

 all from the Island of Luzon: Province of Benguet, Baguio, No. 6519 

 (Elmer), June, 1904 (flower); Province of Bataan, Mount Mariveles, 

 No. 3255 (Merrill), October, 1904 (flower); No. 450 (Whitford), July, 

 1904 (flower) ; No. 6856 (Elmer), November, 1904 (flower) ; Mount Bana- 

 hao, Province of Tayabas, Luzon, No. 958 (Whitford), October, 1904 

 (flower). The species (in fruit), represented by Vidal's Sinopsis, t. 60, f. 

 F. 1883, and later identified by him as Rhododendron javanicum, was from 

 Mount Banahao, and is probably referable to the form here considered to 

 represent Rhododendron schadenbergii. 



(3) Rhododendron kochii Stein, Gartenflora, 34:193. . 1195. 1835; 



Vidal, Rev. PI. Vase. Filip. 172. 1886. 



A species known to the author only from the original description and 

 plate cited above, which, judging from the figure and description is 

 closely related to Rhododendron schaderibergii. 



(4) Rhododendron xanthopetalum, sp. nov. 



A glabrous epiphytic shrub, 80 cm. high or less, with a stout, simple 

 or but slightly branched stem, coriaceous, scattered, alternate, slightly 

 acuminate or merely acute, oblong-elliptical leaves, the flowers yellow, 

 3 cm. long, 3 or 4 in a terminal fascicle. Stem 1 cm. in diameter below, 

 the bark light gray, glabrous, the younger parts reddish brown. Leaves 

 9 to 12 cm. long, 3.5 to 5 cm. wide, the base acute, the upper surface 

 glabrous, the lower surface somewhat paler, glandular-punctate, the margins 

 revolute, the midrib very stout and prominent; petioles very stout, 1.5 

 cm. long. Peduncles glabrous, 1.5 cm. long. Calyx reduced to an obscure 

 disk. Corolla 5-lobed, campanulate, 3 to 3.4 cm. long and about as wide, 

 the tube 1.5 cm. long, 5 mm. in diameter below, the lobes 1.5 cm. long, 

 rounded. Stamens 10, the filaments pubescent below, 18 mm. long, the 

 anthers 4 mm. long. Ovary 8 mm. long, lepidote, 5-celled; style 12 mm. 

 long, glabrous. 



Type specimen No. 322 (Whitford), Mount Mariveles, Province of Bataan, 

 Luzon, May, 1904. A small shrub growing on mossy tree trunks at an 

 altitude of 1,200 m. Apparently rare, as only a single specimen was 

 found. 



(5) Rhododendron mindanaense, sp. nov. 



A shrub about 1 m. high, with glabrous, coriaceous, oblong-obovate 

 obtuse leaves, the white flowers 4 to 4.5 cm. long, crowded in fascicles at 

 the apices of the branches. Branches reddish or somewhat grayish, the 

 ultimate branchlets sparingly lepidote. Leaves crowded at the upper nodes 

 and at the apices of the branchlets, 5 to 7 cm. long, 2 to 3.5 cm. wide, 

 tapering below to the cuneate base, the apex obtuse, often slightly 

 emarginate, beneath with few scattered, obscure glands; petioles about 1 

 cm. long, sparingly lepidote. Flowers many, the peduncles 2 cm. long, 

 lepidote, the deciduous bracts 2 to 3 cm. long. Calyx reduced to an 

 obscure disk. Corolla 4 to 4.5 cm. long, narrowly campanulate, the tube 

 2.5 cm. long, 5 mm. in diameter below, very slightly enlarged above, the 



