Sempervivum.] l. crassulace^e (britten). 401 



calyx-tube. — JEonium leucoMepharum, 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. Squamulae small, entire or 

 subdentate. — Walp. Rep. ii. 264, 935. 



Nile Land. Nubia. 

 Description from Walpers. 



3. S. abyssinicum, Rochst. in A. Rich. Fl. Abyss, i. 315. 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, 2-3 times as long 

 as the calyx. Carpels short, styles long and slender. 



Nile Land. Abyssinia, Schimper I Petit, Dillon. 



Order LI. BR0SEB,ACE^3. (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. 



