Sempervivum.} L, CRASSULACEH (BRITTEN). 401 
calyx-tube.—_Zonium leucoblepharum, Webb in A. Rich. Fl. Abyss. i. 
314. 
Nile Land. Abyssinia, Schimper! Petit. : 
I do not see how this differs specifically from 8. arboreum, L. ; but having only dried 
specimens, do not like to unite them. 
S. arboreum, L. (name only) is mentioned in Ferret and Galinier’s Voyage en 
Abyssinie, p. 134, 
2. S. molle, Vis. Sem. Hort. Patav. 1841. Biennial, softly villose, 
with long or short hairs; stem herbaceous, terete, erect, dichotomous, 
subflexuose. Leaves oval-rhomboid, spreading, with long petioles, 
spotted with red beneath. Flowers in dichotomous cymes. Petals 
10-12, lanceolate, cuspidate, spreading. Squamule small, entire or 
subdentate.— Walp. Rep. ii. 264, 935. 
Nile Land. Nobia. 
Description from Walpers. 
3. S. abyssinicum, Hochst. in A. Rich. Fl. Abyss.i. 815, Glabrous. 
Stem erect, about 6 in. high, simple, terete, slender, reddish. Leaves 
(wanting in our specimen) rather fleshy, opposite, oval obovate or 
obovate-spathulate, green throughout or spotted with red. Flowers 
small, white, on long slender pedicels, usually 10-merous, forming a 
branched lax cyme. Calyx divided below the middle, segments ovate- 
lanceolate, acute. Petals narrow-lanceolate, acute, 2—8 times as long 
as the calyx. Carpels short, styles long and slender. 
Wile Land. Abyssinia, Schimper! Petit, Dillon. 
Orver LI. DROSERACEZ. (By Prof. Oliver.) 
Flowers regular, hermaphrodite. Calyx 5 (4) -partite, or sepals as 
many, free, imbricate, persistent. Petals 5, hypogynous, free (or con- 
nate below), veined, imbricate. Stamens 5 (4-20), hypogynous (or 
perigynous) ; filaments free; anthers 2—celled, extrorse. Ovary free 
(or broadly adnate below), 1 (or 3) -celled, with 3-5 multiovulate pla- 
centas (in Drosera). Styles 2-5, simple or 2-partite (or multifid). 
Capsule dehiscing loculicidally, many-seeded. ‘‘ Embryo straight, in the 
axis of fleshy albumen.”—Herbs, almost invariably glandular-pilose, 
acaulescent or with prolonged leafy branches. Leaves rosulate or 
distinctly alternate in the caulescent species, linear spathulate or 
obovate (rotundate lunate or peltate), stipulate or exstipulate. Flowers 
fugacious. 
A small Natural Order, affecting swampy or sandy stations in tropical and temperate 
countries of both hemispheres. 
1. DROSERA, Linn.; Benth. et Hook. f. Gen. Plant. i. 662. 
Stamens 5 (4-8). Styles 3-5, simple or bipartite. Placentas 
parietal—Glandular-pilose herbs. Flowers in cymose racemes (or 
corymbs), white, rose or purple. 
VOL, 11, DD 
