SAXIFRAGACEA. X. Hevcuera. 
longer than the calyx ; stamens not exserted. 4. H. Native of 
North America, on the Rocky Mountains. Tiarélla? bracteata, 
Torrey in ann. lyc. 2. p. 204. Habit of a species of Saxifraga. 
Bracteate-flowered Heuchera. Pl. 1 foot. 
14 H. tonerre’tara (Moc. pl. nootk. ined. with a figure, ex 
D.C. prod. 4. p. 52.) scape pubescent; panicle secund; petals 
linear, revolute at the apex, longer than the calyx. 2%. H. 
Native of the north-west coast of America. Lobes of leaves 
broad, rather distinct, acutely toothed. Petals and styles white. 
Long-petalled Heuchera. PI. 1 foot. 
15 H. acerrrozra (Rafin. med. fl. 1. p. 211. t. 49.) petioles 
hairy ; leaves smooth, glaucous beneath, acutely 5-lobed, un- 
equally toothed: teeth mucronate; scapes smooth; panicle 
elongated, loose ; petals short; stamens exserted. X.H. Na- 
tive of North America, on hills and in the fissures of rocks, in 
Kentucky, Tennessee, and west of Virginia, Maryland, and 
Ohio, &c. 
Maple-leaved Heuchera. PI. 1 foot. 
16 H. sęuamòsa (Rafin. med. fl. p. 244.) petioles pilose ; 
leaves rather hairy, ciliated, cordate, acutely 7-lobed, denticu- 
lated, glaucous beneath; scape pilose, furnished with distant 
oval scales; panicle short, oval, crowded, scaly; pedicels short ; 
lobes of calyx obtuse; stamens exserted. 2%. H. Native on 
the mountains of Maryland, Virginia, and Kentucky. Perhaps 
the same as H. bracteata. 
Scaly Heuchera. PI. 1 foot. 
Cult. The species of Heuchéra thrive in any light garden 
soil, and are readily increased by dividing at the roots. None of 
the species are showy. 
XI, DONA‘TIA (so named by Forster from Vitaliano Do- 
nati, of Padua, professor of botany at Turin). He travelled into 
Egypt and Arabia, and died on his journey). Forst. gen. t. 5. 
se gen. p. 300. St. Hil. mem. mus. 2. p.119. D. C. prod. 
e p 53. 
Lin. syst. Tridndria, Trigynia. Tube of calyx turbinate, 
adnate to the ovarium; limb truncate, with 2 triangular acumi- 
nated nearly opposite teeth. Bracteoles linear, adnate to the 
tube of the calyx. Petals 9 (f. 52. e.), (8-10 ex Forst.) linear- 
oblong. Stamens 3 (f. 52. J), short, alternating with the petals. 
Styles 3 (f. 52. b.) -5, filiform. Ovarium 2-3-celled. Ovula 
numerous, fixed to the top of the cells. Fruit capsular.—A 
nearly stemless herb, with the 
habit of Saxifraga cespitosa. 
Stems tufted. Leaves alternate, 
linear, obtuse, permanent, im- 
bricated, thick, glabrous, woolly 
in the axils. Flowers terminal, 
sessile, solitary, white. Perhaps 
the petals are 6, and the stamens 
6, 3 of them antheriferous, and 
the other 3 converted into petals. 
1 D. Macetta‘nica (Forst. 1. 
©) Y.F. Native of the Straits 
of Magellan, on humid rocks. 
Lam. ill. t. 51. Polycdrpon Ma- 
gellanicum, Lin. fil. suppl. 115. 
Magellan Donatia. P). Ti 
Cult. This plant will require to be grown ina small pot, 
well drained, in a mixture of sand, peat and loam ; and placed 
among other alpine plants. It will be easily increased by 
dividing, 
XII, LEPUROPE’TALUM (from ervpiov, lepurion, a lit- 
tle scale, and meradov, petalon, a petal; in reference to the small 
oe petals). Elliot, sketch 1. p. 370. D. C. prod. 4. 
FIG. 52. 
XI.Donartia. 
XII. Lepvroreratum. XIII. Vania. 231 
Lin. syst. Penténdria, Trigynia. Calyx 5-parted, perma- 
nent: lobes ovate, obtuse. Petals 5, permanent, scale-formed, 
inserted in the calyx, and alternating with its segments. Stamens 
5, alternating with the petals. Ovarium free at the apex. Styles 
3, short, rather concrete at the base. Capsule 1-celled, 3-valved 
at the apex. Seeds numerous, oval, fixed to the inflexed mar- 
gins of the valves.—An annual glabrous branched tufted herb. 
Leaves alternate, sessile, spatulately lanceolate, obtuse, entire. 
Flowers terminal, solitary, small, white. 
1 L. sparuta‘tum (Ell. 1. c.) Y. F. 
rica, in Georgia, in shady places. 
Muhl. cat. 
Spatulate-leaved Lepuropetalum. Pl. $ foot. 
Cult. See Donàtia above for culture and propagation. 
Native of North Ame- 
Pyxidanthèra spatulàta, 
XIII. VA'HLIA (in honour of Martin Vahl, a pupil of Lin- 
neus, regius professor of botany at Copenhagen, and member of 
several academies, author of Symboliæ Botanicæ, Eclogæ Ameri- 
cane, &c. and one of the editors of Flora Danica). Thunb. gen. 
nov. 2. p. 36. witha figure. Juss. gen. p. 318. Poir. dict. 8. 
p. 284. Lam. ill. t. 183. R. Br. in Frankl. narr. journ. 766. 
D.C. prod. 4. p. 58.—Bistélla, Caill. and Delil. but not of 
Adans.—Oldenlandia species, Retz, Roth, Smith, but not of Lin. 
Lin. syst. Pentdndria, Digynia. Tube of calyx adhering to 
the ovarium: limb 5-parted, permanent, valvate in estivation. 
Petals 5, spreading, undivided, shorter than the calyx. Stamens 
5: anthers versatile. Styles 2, capitate at the apex. Capsule 
I-celled, 2-valved, truncate at the apex, 5-furrowed, crowned by 
the limb of the calyx, many seeded; placentas loose, hanging 
from the top of the cavity of the cell. Seeds convex on the 
outside, and concave on the inside.—Rather villous somewhat 
dichotomous herbs. Leaves opposite, exstipulate, linear or lan- 
ceolate. Flowers white, axillary, pedicellate; pedicels twin, 1- 
flowered, short. 
* African species. 
1 V. Care'nsts (Thunb. fi. cap. p. 246.) leaves linear or nar- 
row-lanceolate ; branches velvety at the top; pedicels twin, 1- 
flowered ; styles exserted; capsules oblong. 2. G. Native of 
the Cape of Good Hope. Russélia Capénsis, Lin, fil. suppl. p. 
175. Plant almost with the habit of a Silene, from } to 1 foot 
high. Flowers white. 
Cape Vahlia. Pl. % to 1 foot. 
2 V. Wexpe'n1 (Reich, hort. bot. t. 91.) leaves ovate, acute; 
pedicels twin, 1-flowered; capsule globose. ©. H. Native of 
Upper Egypt, of Nubia near Dongolah; and of Senegal. Bis- 
télla geminiflora, Caill, and Delil. pl. afr. p. 97. t. 63. f. 2. A 
much branched herb, beset with glandular hairs. Flowers white. 
Welden’s Vahlia. PI. 4 to 4 foot. 
3 V. ramosissima (Alph. D. C. diss. ined. ex D. C. prod. 4. 
p- 54.) stem much branched, hairy : hairs bearing viscid glands 
at the apex; leaves linear, pubescent; peduncles 2-flowered, 
shorter than the leaves; capsule ovate. ©. H. Native of 
Senegal. Flowers white. Habit of a Siléne or Arenaria. 
Much-branched Vahlia. PI. } to 4 foot. 
4 V. sitenoipes (Alph. D.C. diss. ined. ex D. C. prod. 4. 
p. 54.) stem branched, clothed with soft hairs ; leaves linear, 
pubescent; peduncles 2-flowered, shorter than the leaves; cap- 
sule globose. ©. H. Native of the Cape Verd Islands. 
Flowers white. 
Catchfly-like Vahlia. Pl. 3 foot. 
5 V. romenrosa (Alph. D. C. diss. ined. ex D. C. prod. 4, p. 
54.) stem branched, tomentose ; leaves linear-lanceolate, rather 
hairy ; peduncles 2-flowered, shorter than the leaves: flowers 
on short pedicels; capsule nearly globose. ©.? H. Native of 
the north of Africa, in the kingdom of Cayor. Flowers white. 
