176 



GENTIANEiE. I. SWERTIA. II. HALENIA. 



Var. /3, albiflora (Led. fl. alt. 1. p. 291.) flowers white. 

 Native of Siberia. 



Obtuse-\eave<l Felwort. PI. 1 foot. T^.H. 



3 S. DECU'MBENS (Vahl. symb. 1. p. 24.) glabrous, decum- 

 bent ; stems filiform, obscurely angular ; leaves linear-lanceo- 

 late, sessile, somewhat connate at the base ; pedicels twine at 

 the tops of the branches ; each furnished with a linear bractea 

 at the base. I/. G. Native of Arabia Felix. Willd. spec. 1. 

 p. 1330. Parnassia polynectaria, Forsk. descr. p. 207. icon, 

 t. 5. f. 6. Stigmas 2. 



Decumbent Pelwort. PI. decumbent. 



4 S. JAVA'NICA (Blum, bijdr. p. 848.) stem erect, fastigiately 

 branched ; leaves linear-lanceolate, 3-nerved, sessile ; peduncles 

 tetragonal, 1-flowered ; axillary ones usually twin, and the ter- 

 minal ones aggregate ; corollas campanulately 5-parted, about 

 equal in length to the calyx. TJ-. S. Native of Java, on the 

 top of Mount Cede, in humid places. 



Java Swertia. Fl. year. PI. 



5 S. COJRU'LEA (Royle, herb.) lower leaves spatulate, petio- 

 late : superior ones as well as calycine segments lanceolate, 

 bluntish ; corollas 5-parted : segments ovate, mucronate, fringed 

 on the edges with distant, linear scrobicles. O- H. Native of 

 the Himalaiah. Flowers blue. 



fi/ue-flowered Felwort. PI. 



2. Tetramera (from rtrpa, tetra, four, and ftcpie, meris, a 

 part ; parts of the flowers). Calyx ^-parted. Corolla 4-cleft. 

 Stamens 4. 



6 S. DICHOTOMA (Lin. spec. 329.) glabrous ; stems branched, 

 dichotomous, diffuse, articulated, thick ; radical leaves obovate, 

 nerved, petiolate : cauline ones elliptic, acute, 3-nerved, sessile ; 

 pedicels from the forks of the branches nutant, shorter than the 

 imernodes. Q. H. Native of Siberia, on the banks of the 

 Catscha, above Krasnojarsk, &c. Lin. amoen. 2. p. 317. Pall, 

 fl. ross. 2. p. 100. t. 91. Gmel. sib. 4. p. 1 13. t. 53. f. 2. Habit 

 of dnag&llis. Lobes of calyx ovate-lanceolate, acute. Seg- 

 ments of corolla ovate, obtuse, with the nectaries hardly ciliated. 

 Capsule obovate, compressed. Flowers green and sometimes 

 reddish. Stem decumbent, red. 



iclwtutnous Felwort. PI. decumbent. 



7 S. MULTICAU'LIS (D. Don, prod. fl. nep. p. 128.) stems 

 tufted ; peduncles tetragonal, 1 -flowered ; leaves lanceolate, 

 obtuse, attenuated at the base ; calycine segments oval, obtuse ; 

 corollas 3 times longer than the calyx: with oval-oblon", obtuse 

 segments, y.. H. Native of Nipaul, on the alps. Root long, 

 fusiform. Stems tetragonal, trichotomous, 3-flowered, or simple 

 1-flowered. Flowers purplish, size of those of S. perennis. 



Many-stemmed Felwort. PI. tufted. 



8 S. PALLA'SII ; glabrous ; stem simple, filiform, erect ; leaves 

 lanceolate, nerved ; pedicels erect, axillary, somewhat fastigiate. 

 O- H. Native of Kamtschatka, at the mouth of the river 

 Apalla. S. tetrapetala, Pall. fl. ross. 2. p. 99. t. 90. f. 2. Each 

 stem furnished with 4-5 pairs of leaves. Flowers small. 

 Calycine segments linear. Segments of corolla hardly coher- 

 ing at the base, deep blue ; having the nectariferous scrobicles 

 combined, notched on the edges, and of a fulvous colour, and 

 visible on the back. Ovarium fusiform. Stamens rufescent. 



Pallas' 's Felwort. PI. \ foot. 



9 S. PUSILIA (Pursh, 1. c.) glabrous; stem simple, 1-flowered; 

 leaves oblong; corolla twice as long as calyx. H. Native 

 of New Hampshire, on the alpine regions of the White Hills ; 

 and of Labrador. The whole plant is scarcely an inch high, 

 with 1-2 pairs of small leaves, and a considerable sized blue 

 flower. Segments of corolla oblong, acuminated ; of the calyx 

 obtuse. 



Least Felwort. Fl- June. PI. 1 inch. 



10 S. FASTIGIA'TA (Pursh, fl. amer. sept. 1. p. 101.) glabrous ; 



stem branched ; leaves spatulate-obovate, nerved ; flowers 

 fastigiate, aggregate, axillary and terminal ; pedicels twin ; 

 corolla campanulately rotate, length of calyx. If.. H. Native 

 of North America, on the Missouri flats, near the Rocky Moun- 

 tains, Lewis. Leaves large. Flowers sky blue. 



Fastigiate-fiowered Felwort. Fl. July. PI. \ foot. 



11 S. PERFOLIA'TA (Royle, mss.) glabrous; stem erect, terete ; 

 leaves elliptic- oblong, acuminated, 7-nerved, connately sheath- 

 ing ; flowers racemosely panicled ; segments of corolla acu- 

 minated ; nectariferous scrobicules combined. l/.H. Native of 

 the Himalaiah. Habit and size of Gentiana lutea. Root fusi- 

 form, horizontal, dirty yellow. Stems the thickness of a finger. 

 Lower leaves petiolate ; petioles connately sheathing : upper 

 ones sessile, connate. Flowers very numerous, drooping, blue? 

 Pedicels filiform, furnished each with a lanceolate braclea at the 

 base. Nectariferous scrobicles roundish, fringed with long cilia. 



Perfoliate-leaved Felwort. PI. 3 feet. 



12 S. SPECIOSA (Wall. cat. no. 4384.) glabrous; stem erect, 

 terete ? ; leaves petiolate, spatulate-oblong, obtuse, 5-nerved ; 

 flowers racemosely panicled ; segments of corolla obtuse ; nec- 

 tariferous scrobicles distinct, ciliated with threads. 1. H. 

 Native of Nipaul, Kamaon, and Himalaiah. Swertia petio- 

 laris, Royle, mss. Petioles connate at the base. Leaves 2 

 inches long. Segments of calyx lanceolate, mucronate. Co- 

 rolla yellow, almost twice longer than the calyx. 



Shorvy Felwort. PI. 2 to 3 feet. 



13 S. CUNEA'TA (Wall. cat. no. 4380.) glabrous; stem erect, 

 filiform ; leaves spatulately oblong, petiolate, obtuse, 5-nerved ; 

 flowers racemosely panicled ; segments of corolla obtuse ; nec- 

 tariferous scrobicles linear-oblong, distinct, ciliated with long 

 hairs. 2/.H. Native of the Himalaiah, Royle ; Kamaon, Wall. 

 Swertia glycanthera, Royle, mss. Root fibry, dirty yellow. 

 Leaves 2-4 inches long : superior ones linear-oblong, almost 

 sessile. Segments of the calyx linear, acute, 3-nerved. Seg- 

 ments of corolla obtuse, emarginate, 5-nerved. Corolla blue. 



Caweate-leaved Felwort. PI. to J foot. 



14 S. ALTERNIFOLIA (Royle, mss.) leaves alternate, elliptic- 

 oblong, acuminated, 7-nerved, sheathing at the base ; flowers 

 drooping, racemosely panicled ; segments of the calyx ovate, 

 acuminated : of the corolla elliptic, obtuse ; nectariferous scro- 

 bicles orbicular, fringed, contiguous. If.. H. Native of Ni- 

 paul, Royle. - 



Alternate-leaved Felwort. PI. 



Cult. All the species delight in a light soil, inclining to peat ; 

 and a rnarsliy situation. The perennial species are increased by 

 division at the root, or by seed. 



II. HALE'NIA (meaning unknown to us), Borkh. in Rcem. 

 archiv. 1. p. 24. Swertia species of authors. 



LIN. SYST. Tetra- Pentandria, Digynia. Calyx 4-parted. Co- 

 rolla subcampanulate or funnel-shaped, 4-cleft, each segment 

 furnished with a spur, horn, or tubercle at the base. Filaments 

 filiform or subulate ; anthers incumbent, dehiscing at the sides 

 lengthwise. Stigma sessile, 2-lobed. Capsule 1-celled, 2-valved 

 at apex. Seeds roundish, small, smooth. Usually glabrous herbs. 

 Leaves opposite, quite entire, nerved : radical ones crowded. 

 Flowers terminal and axillary, pedunculate, blue, or yellow. 



1 H. SIBIRICA (Borkh. in Roam. arch. 1. p. 25.) stem erect, 

 obsoletely quadrangular, simple, or branched ; cauline leaves 

 lanceolate, 3-nerved ; pedicels axillary and terminal, filiform, 

 1-flowered; flowers nutant ; corolla subcampanulate, sometimes 

 5-cleft ; spurs divaricate, incurved, subulate. Q. or I/. H. 

 Native of Siberia, about the Genissee, and in shady places at the 

 mouth of the river Tschulyschman. Swertia corniculata, Lin. 

 spec. 328. amcen. 2. p. 317. Pall. fl. ross. 2. p. 99. t. 90. f. 1. 

 Tetragonanthus elation Stell. ire. p. 122. Gmel. sib. 4. p. 114. 

 t. 53. f. 3. Radical leaves broad, lanceolate. Corollas greenish. 



