OF ORNAMENTAL PERENNIALS. 169 
GENUS I. 
CLAYTONIA, Lin. THE CLAYTONIA. 
Lin. Syst. PENTANDRIA MONOGYNIA. 
Glneric Charicter, — Sepals two, permanent. Petals five, un- I trifid at the apex ; lobes stigmatose inside. Capsule one-celled, three- 
guiculated ; claws connate at the base. Stamens five. Stjle one, ' valved, three-seeded. (G. Don.) 
Description, &c. — This geijus was named in honour of Dr. John Clayton, who collected the plants for the 
Flora Virginica of Gronovius. The stalks and leaves of these plants are less succulent than those belonging to 
most of the other genera of the order, and the flowers are white or rose-coloured. All the perennial Claytonias 
have tuberous roots. 
1.— CLAYTONIA VIRGINICA, Lin. THE VIRGINIAN CLAYTONIA 
Enoratings. — Swt. Brit. Flow. Card. 2d ser. t. 163 ; and our fig. 
2 in Plate 40. 
Specific Chaiucter. — Ijcaves all narrow, linear, obsoletely three- 
nerved, with anastomosing veins ; radical ones very few ; racemes soli- 
tary, nodding ; pedicels elongated ; lower ones bracteate ; petals emar- 
ginate. (G. Don.) 
Description, &c. — This very elegant little plant has a large tuberous root, producing many flower-stems, 
and abundance of leaves, which are smooth and glossy, of a dark green above, and paler beneath. It is a native 
of North America, whore it is found in moist woods. It was introduced in 1768. It should be grown in peat 
soil, and it may be increased either by seeds, or by dividing the root. 
SvNoNVMES. — C. spathulsefolia, Sails. ; C. Virginica, var. spatbu- 
lafolia, Dec. 
Engravings. — Swt. Brit. Flow. Card. t. 208 ; and our fig. 1 in 
Plate 40. 
2.— CLAYTONIA CAROLINIANA, Michx. THE CAROLINIAN CLAYTONIA. 
Specific Character. — Root tuberous ; radical leaves subspatulate ; 
cauline ones oblong ; racemes solitary, nodding ; pedicels elongated ; 
lower cues hiactcate; petals obovate, somewhat emarginate; sepaU 
very blunt. (G. Don.) 
Description, &c. — This species is more rare than the preceding one, and it is less elegant. It requires the 
same treatment. It is a native of North America, whence it was introduced in 1 789. 
OTHER SPECIES OF CLAYTONIA. 
C. GU\NDlFLORA,Sivt. Brit. Fhie. Gard.t. 216. 
A plant with the habit of C. Virginica, but with larger flowers. A native of North America, introduced 
in 1789. 
C. ACUTIFLORA, Swt; C. VIRGINICA, Bot. Mag. t. 941. 
Remarkable for its pointed lanceolate petals. Introduced from North America, before 1759. 
CHAPTER XXI. 
CRASSULACE^. 
one stigma each. Seeds attached to the margin of the suture, in two 
rows, vaiiable in number. 
Character of the Order. — Calyx many-parted. Petals equal in 
number to the divisions of the calyx. Stamens equal in number to 
the petals, or double the number. Ovaries one-celled, tapering into 
Description, &c. — The plants contained in this order are all fleshy, and succulent in their stems and leaves, 
the latter being entire or pinnatifid, without stipules. The flowers are usually showy, and produced in the kind 
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