PRIMULA 



PRIMULA 



2.S07 



XX. CALLIAXTH^E. 



Lvs. glabrous or nearly so, nearly coriaceous, bluntly 

 toothed: fls. in umbels, very nearly sessile or short - 

 pedieelled : caps, globose: Turkestan to China. 



A. Calyx cut scarcely to the middle. 



176. vittata, Bur. & Franch. Glabrous: Ivs. mem- 

 branaceous, not farinose, narrowly oblong, obtuse or 

 subobtuse, finely denticulate, narrowed to a short 

 winged petiole which is scarcely distinguishable from 

 the blade or even subsessile: scape 6-10 in. high, much 

 exceeding the Ivs., white-farinose at the top, bearing a 

 simple umbel or 2 superposed and a short distance 

 apart : bracts lanceolate, acute, white-farinose margined : 

 fls. somewhat nodding, purple; calyx campanulate, not 

 split to the middle, purplish green, the lobes triangular, 

 subacute and glabrous; corolla-tube obconical-dilated 

 above the calyx, the limb concave about M m - across, 

 with broadly obovate, subtruncate, slightly emarginate 

 and at the same time frequently undulate-subcrenu- 

 late lobes. Cent. China. Intro. 1905. B.M. 8586. 

 G.C. III. 37:390; 40:209. R.H.S. 39:161. The calyx 

 is banded or costate with white farina. 



177. brevifdlia, Forr. Glabrous and not farinose: Ivs. 

 paper-like, very broadly ovate-elliptic, serrate, atten- 

 uate into short winged petiole: scape slender, 4-8 in. 

 high and much exceeding the Ivs., bearing a 4 12-fld. 

 unilateral somewhat drooping umbel: bracts small, 

 broad-lanceolate, acute: fls. faintly fragrant, pedicellate, 

 deep blue; calyx purplish green, with broad-lanceolate 

 acute lobes; corolla broad-funnelform, the tube equal- 

 ing or exceeding the calyx, the limb % to nearly J^in. 

 across, lobes short and broad and emarginate. S. E. 

 Thibet, altitude 14,500-16,000 ft. G.C. III. 57:207. 



AA. Calyx cut to the middle or beyond. 

 B. Lobes of calyx acute. 



178. hazarica, Duthie. Lvs. obovate or spatulate, 

 denticulate, membranaceous, densely white-farinose 

 below, acute or obtuse, gradually narrowed to a short 

 winged petiole which is scarcely distinguishable from 

 the blade: scape only slightly exceeding the Ivs., about 

 4 in. high bearing 1 to many fls., which are umbel- 

 late: bracts linear, somewhat recurved: fls. purple; 

 calyx narrowly campanulate, split to the middle, with 

 lanceolate, acute, cilia te lobes; corolla-tube cylindri- 

 cal, pale yellow, the limb about J^in. across, with 

 broadly or narrowly obcordate emarginate lobes: caps, 

 included in the calyx. W. Himalaya. 



179. membranifolia, Franch. (P. longituba, Forr.). 

 Lvs. very thin-membranaceous almost diaphanous, 

 cuneate-ovate from an entire base, unequally dentate- 

 crenate, very glabrous, yellow-farinose below: scape 

 scarcely equaling the Ivs., bearing 4-9 fls.: bracts short, 

 linear, these as well as the pedicels yellow-farinose : fls. 

 violet ; calyx yellow-farinose, split to the middle, tubu- 

 lar-campanula te, with lanceolate, acute lobes; corolla 

 cylindrical, slender, gradually broadened to a concave 

 limb which is %-l in. across, with obcordate, emargi- 

 nate lobes: caps, ovate, slightly exceeding the calyx. 

 S. W. China. Intro. 1908. R.H.S. 39:165. 



BB. Lobes of calyx obtuse. 



180. calliintha, Franeh. Lvs. with petiole 2-3 in. 

 long, oblong or obovate-oblong, attenuate into short 

 winged petiole, yellowish farinose beneath, dentate- 

 crenulate: scape about twice longer than Ivs., the apex 

 and the narrow-lanceolate bracts farinose, the umbel 

 with 5-40 pedicelled fls.: calyx brown-purple outside 

 and farinose within, narrow-campanulate, very deeply 

 cut and with linear-oblong obtuse lobes; corolla deep 

 purple^ violet, the tube cylindrical and little if any 

 exceeding the calyx, the limb about 1 in. across and 

 cup-shaped, the lobes obovate and dentate. Yunnan, 

 Chioa. Intro. 1908. 



178 



XXI. NIVALES. 



Lvs. glabrous or nearly so, entire or nearly so, nar- 

 rowed into a winged petiole: caps, cylindrical: Asia 

 Minor to China and far north; N. Amer. 



A. Fls. yellow. 



181. sikkimensis, Hook. Glabrous and devoid of 

 farina, the calyx excepted, the scape reaching 2 ft. : Ivs. 

 4-5 x 1-1 J^ in., narrowly obovate-spatulate, obtuse, 

 wrinkled, sharply double-serrate, subequally narrowed 

 to the petiole: scape elongated, 8-14 in. high, bearing a 

 many-fld. umbel: bracts narrow, subulate-acuminate 

 from a broad base: fls. slightly drooping, yellow; calyx 

 farinose, 5-ribbed, tubular-campanulate, not split to the 

 middle, with triangular acute frequently recurved lobes; 

 corolla-tube funnelfonn-broadened, the limb concave, 

 flattened up to 1 in. across, with roundish emarginate 

 lobes: caps, subcylindrical, exceeding the calyx. 

 Himalayas; reported also from China, but the oriental 

 forms may be distinct. Two of them, also in cult., are 

 Nos. 182 and 183. B.M. 4597. Gt, 1876, p. 321. Gn. 

 62, pp. 82, 113; 65, p. 93; 79, p. 161. J.H. III. 49:571. 

 G. 4:589. G.M. 52:869. J.F. 2:169. R.H.S. 39:161. 

 P. sikkimensis is a fine alpine species from altitudes 

 of 11,000 to 15,000 ft. and more, covering large areas 

 with fragrant light yellow bloom; considered to be 

 easy to grow along water-courses or in other moist 

 places, but requiring shade. 



182. pseudosikkimensis, Forr. Differs from P. sik- 

 kimensis in having shorter Ivs. and larger fls.: plant 

 12-18 in. high, with bright canary-yellow fragrant fls. 

 Crevices and ledges of limestone cliffs, Lichiang Range, 

 Yunnan, 11, 000-12,000 ft. altitude. Intro. 1908. R.H.S. 

 39:161. 



183. microdonta, Petitm. Very like P. sikkimensis, 

 but distinguished by the suborbicular-ovate glabrescent 

 Ivs. with a petiole as long as the blade, irregularly 

 toothed: corolla at least twice as large as calyx, deep 

 yellow and attractively veined. W. China. Intro. 1912. 



184. orbicularis, Hemsl. Similar in foliage to P. 

 Cockburniana and P. iangutica, but very different in 

 fls.; most nearly allied to P. sikkimensis and P. Stu- 

 artii, from which it differs in having nearly entire Ivs., 

 tube of corolla, which scarcely exceeds calyx, con- 

 stricted near the top and below the middle at the inser- 

 tion of the very short stamens, and in the limb of the 

 corolla which is flat and with entire lobes. Lvs. some- 

 what coriaceous, oblong-lanceolate, 2-6 in. long, obtuse, 

 longitudinally recurved, minutely dentate: scape about 

 1 ft. high, yellowish or whitish farinose, bearing an 

 umbel of 5-7 yellow fragrant pedicellate fls.: calyx 

 thick, campanulate, scarcely J^in. long, the lobes ovate 

 and obtuse and equaling the tube; corolla scarcely 

 exceeding calyx-tube, the limb orbicular and about 1 

 in. diam., the lobes orbicular. W. China. Intro. 1906. 

 B.M. 8135. G.C. III. 39:403. 



185. Stuartii, Wall. ' An exceedingly variable Himal- 

 ayan species with drooping yellow fls. in a terminal 

 umbel: radical Ivs. 5-10, narrowly oblanceolate, acute, 

 sharp-serrate or sometimes entire, yellow, mealy 

 beneath: scape 12-18 in. tall, bearing a mealy-covered 

 infl.: fls. light yellow, with tube twice the length of the 

 usually acute-lobed calyx, the lobes orbicular and emar- 

 ginate or sometimes orbicular and entire. B.M. 4356. 

 G.C. II. 19:824; 25:528. Gn. 29, p. 382. Fls. 1 in. or 

 more long. 



186. elongata, Watt. Glabrous: Ivs. about 4 in. long, 

 membranaceous, obovate, obtuse, crenulate, farinose or 

 not so below, gradually narrowed to a short, winged 

 petiole: scape almost twice as long as the Ivs., 8-10 in. 

 high, farinose above, bearing a somewhat congested 

 umbel of 5-8 fls.: bracts triangular, acute: fls. golden 

 yellow; calyx farinose, tubular, split to the middle, with 

 lanceolate acute lobes; corolla-tube funnelform-broad- 



