PENTHORACEAE 589 
7. BRYOPHYLLUM Salisb. Perennial coarse gregarious herbs. Leaves 
opposite: blades simple or pinnately compound. Flowers perfect, borne in 
simple or compound cymes. Calyx 4-lobed. l 
Corolla exserted, 4-lobed. Follieles 4.— 
Four known species, of Asia and Africa. 
1. B. pinnatum (Lam.) ES Kurz. Plant 
4—15 dm. tall, glaucous: leaves 1-3 dm. lon ng; 
blades of ic leaflets e elliptic, erenate: pani- 
cles 1-4 dm. long: calyx becoming 3-3.5 
ck » and waste s S Fla. Nat. 
of bo Asi L; , €. A., E. A. 
—All year. S domi B rown in tropical 
gardens. Well known for its tenaeity ur life. 
The corolla is poet with dark-red streaks. 
Famity 3. PENTHORACEAE-—DrrOH-STONECROP FAMILY 
Cauleseent plants. "ds alternate: blades toothed. Flowers per- 
fect, borne in terminal cym alyx of 5 or 6 sepals. Corolla of 5 or E 
inconspicuous veinless Sede or un Androecium of twice as man 
stamens as sepals. Gynoecium of 5 or 6 earpels united to the ate 
contracted middle. Fruit depressed, the follicle bodies circumscissile near 
the base of the free portion.—One genus and one species. 
1. PENTHORUM ([Gronov.] L. Perennial herbs with rootstocks. 
Flowers greenish-white or yellowish, borne along one side of the oe -branches. 
Styles ineurved during anthesis, recurved at - 
maturity. Follieles stout, ascending. 
1. P. sedoides - Pla an 1-6 dm. eee 
bright- diem the stem above, and brane 
angled: leaf-bla d gcc elliptie E A 
Cho t or lanceolate, 3—15 cm. 
long, pee serrate: cyme-branches spread- 
ing: flow S eonun s: sepals ovate, about 
1.5 mm. jns e eute: eapsule depressed, 4—5 
ü : a 
mm. br wW 
curved style. — (DITCH-STONECROP. 
Meadows, d and low grounds, various 
pem Fla. to Tex., Minn, and N. B.— 
um 
j| 
FAwiLY 4. PARNASSIACEAE—Grass-or-Parnassus FAMILY 
Acaulescent herbs, with glabrous foliage. Leaves basal: blades leath- 
ery, entire: petioles usually elongate, erect, dilated at the base. Seapes 
simple, each bearing a bract. Flowers perfect, white or pale-yellow, soli- 
tary. Calyx persistent: sepals 5, imbricate. Corolla of 5 variously shaped 
imbricate, entire or fimbriate, white, often conspicuously nerved, deciduous 
petals. Androecium of 5 hypogynous or perigynous stamens alternating 
with entire or tufted staminodia. Gynoecium of 3 or 4 united carpels. 
