97 



Polycycnis Charles worth ii. e& c 



1907, xlii. 154 ; 0. R, 1907, 277 : ff! W 

 1907, 612). Orchidaceae. S. Iuflores- 

 oence long and arching, bearing about 

 50 Vomers each 1 in. across. Sepals 

 broad, yellowish, closely mottled with 

 pale red-brown, the upper abruptly 

 turned back. Petals linear, twisted, 



«f u ' shghtl y mark ed with red at 

 the base. Lip long, narrow, brownish, 

 with whitish hairs. British Guiana .' 

 (Oharlesworth & Co.) 



Polygonum Auberti. (r. h. 1907, 



82, ff . 23, 24.) Polygonaceae. H. 

 A vigorous-growing plant with climb- 

 ing stems reaching- a length of 7±*10 ft 

 becoming woody below. Leaves ovate- 

 lanceolate, cordate at the base, reddish 

 bronze or pale green with the apex 

 red when young. Flowers small, 

 greenish or rosy, in slender axillary 

 panicles 6-8 in. loner. The species 

 resembles P. bahhclnianicmn, but is 

 inferior to it Western China. (Paris 

 B. G.) 



*Pouteria suavis. (JT. B. 1906, 365 ; 



Jard. 1907, 260.) Sapotaceae. G. 

 A tree with straight somewhat slender 

 flowering branches. Leaves crowded 

 at the ends of the branches, shortly 

 stalked, narrowly oblong to lanceolate, 

 usually about 4 in. long and £-1 in. 

 broad, coriaceous. Flowers numerous, 

 very small, in fascicles borne in the 

 axils of the fallen leaves. Fruit 

 pear-shaped, 1J-2 in. long, with a thin 

 edible pericarp possessing a delicate 

 perfume. Uruguay. (Villa Gamier, 

 Bordighera, Italy.) 



Primula muscarioides. (jr. b. 1907, 



319 ; B. 31. t. 8163.) Primulaceae. H, 

 Leaves rather fleshy, obovate-spathu- 

 late, 4-5 in. long, crenate-dentate, 

 scarcely stalked. Scape erect, almost 

 twice as long as the leaves. Flowers 

 very numerous, deflexed, in a very 

 dense capitate spike 1-1 J in. long. 

 Corolla narrowly funnel - shaped, 

 scarcely 5 lin. long, deep purple-blue ; 

 lobes about half as long as the tube, 

 subtruncate, almost erect, about 1 J lin. 

 broad. China. (Bees, Ltd.) 



Prunus Pissardi Hessei. (,¥". D. G. 



H. Leaves 



1 906, 42.) Rosaceae. ™ 



narrow, irregularly cut and toothed, 

 usually long-acuminate, red, with a 

 broad greenish yellow or sometimes 

 crimson-red border. (Darmstadt B. G.) 



Prunus Pissardi Purpusi, (jjjt D. G. 



1906, 42.) H. Leaves similar in shape 

 to those of the type, dark red, varie- 

 gated with yellow and bright rose. 

 (Darmstadt B. G.) . 



Pterocactus decipiens. (jr k 1907 



145) Cactaceae. G. A shrubby plant 

 with a subglobose tuber about 2$ in 

 in diam. Stem cylindric, slightly 

 branched, up to 8 in. high. Areolae 

 orbicular to elongate, woolly. Radial 

 spines 20-25, white, up to 3 J lin. loner- 

 central 2 or 3, pale brown, 2-3£ lin! 

 long. Flowers terminal, about 2 in. 

 long ; segments lanceolate-spathulate" 

 mucronate, yellow. Stigmas 5, purple. 

 Seeds broadly winged. Argentina. 

 (Berlin B. G.) 



Pterocactus Kuntzei. (j/. x. 1907, 



137.) G. A small tufted glaucescent 

 shrub. Branches short, slender, some- 

 what club-shaped. Spines very small, 

 9-12, adpressed. Flowers terminal, 

 altogether scarcely 1 in. long, and 

 about the same across, yellow. Argen- 

 tina. (Haage k Schmidt, Erfurt.) 



Pteronia incana. (//. //. 1907, 131.) 



Compositae. H. or H. H. A small 

 graceful much branched shrub, covered 

 with a grey tomentnm. Leaves in 

 whorls, small, linear-oblong. Flower- 

 heads golden-yellow. South Africa. 

 (J. Navello. La Selva. Nice.) 



Pyenostachys Dawei. (G. a 1907; 



xli. 18.) Labiatae. G. A stout herb 

 4-6 ft. high, with a loosely-branched 

 pyramidal habit. Leaves narrowly 

 lanceolate, 5-12 in. long, £-!£ in. 

 broad, acuminate, serrate. Flowers 

 many, crowded, in short spikes ter- 

 minating all the branches. Calyx- 

 teeth needle-like, ciliate with long 

 hairs. Corolla about £ in. long, 

 cobalt-blue. Uganda. (Kew.) 



Rhipsalis pilocarpa, (M. k. 1907. 



182 ; B. K. t. 99.) Cactaceao. S. 

 Branches terete, thickly covered with 

 areolae, each of which bears a bundle 

 of 10-15 white bristles up to 2\ lin. 

 long. Flowers terminal, wheel-shaped, 

 1 in. across. Petals lanceolate, 20-25, 

 acute, pale yellow, becoming slightly 



the outer suffused with a 



the apex. Brazil. 



green 



delicate rose at 



(Berlin B. G.) 



Rhipsalis Simmleri. (B. ii b. 1907. 



136, ff.) S. Stem slender, cylindric, 

 more or less pendulous, very much 

 branched ; branches dichotomous or 

 in whorls of 3 or 4, J-l£ in. long, 

 5 -angled or somewhat ribbed. Flowers 

 solitary, almost terminal. Petals 

 white, red at the ape^. the outer scale- 

 like an 1 very small, the inner oblong- 



in. long. Costa Rica, 



H 



spathulate, , m o . 



(W. Barbey, Pierriere, Geneva.) 



