SCROPHULARIACE®. (FIGWORT FAMILY.) 287 
3. APHYLLON, Mitchell. 
co" solitary, perfect. Calyx 5-cleft, bractless. Corolla tubular, curved, . 
nearly equally 5-lobed. Stamens included. Capsule 2-valved, with 4 equidistant 
placentee.—Stemless or nearly so. Flowers purplish, on a long scape or peduncle. 
1. A. uniflorum, Torr. & Gray. — Stem very short and scaly ; peduncles 
1 - several, 3! - 5! high, pubescent; calyx-lobes lanceolate-subulate. (Orobanche ` 
uniflora, L.) — Woods, Florida, and northward. 
Orper 91. SCROPHULARIACEJE. (Ficwort FauILY.) 
Chiefly herbs. Leaves commonly opposite, without stipules. Calyx 
4- 5-cleft or parted. Corolla 4 — 5-lobed, regular, or bilabiate ; the lobes 
imbricated in the bud. Fertile stamens 4 (sometimes 2, rarely 5), mostly 
didynamous, inserted on the tube of the corolla: anther-cells often sepa- 
rate, opening lengthwise. Ovary free, 2-celled, many-ovuled. Placentz 
central. Style simple or 2-cleft. Capsule 2-celled, many- (rarely 1-few-) 
seeded. Seeds anatropous. Embryo small, in copious albumen. 
Synopsis. 
$l. Upper lip of the corolla exterior in the bud (except Mimulus). Capsule commonly 
- gepticidally dehiscent. : ; 
i * Stamens 5, all perfect. Corolla nhe. i 
L VERBASCUM. Corolla wheel-shaped. Filaments, or a part of D aoa Leaves 
i alternate. 
* * Fertile stamens 4; the fifth sterile or rudimentary. Flowers cymose. Leaves opposite. 
2. SCROPHULARIA. Fifth stamen scale-like. Corolla globose or oblong ; four of the lobes 
short and erect. 
8. CHELONE. Fifth stamen shorter than the others. Corolla tubular, inflated, contracted 
at the throat. Seeds winged. 
4. PENTSTEMON. Fifth stamen as long as the others. Corolla dilated upward. Seeds 
wingless. 
* * * Fertile stamens 4: sterile ones none. Flowers axillary or racemed. 
5. LINARIA. Corolla spurred at the base. Capsule toothed at the apex. 
6. MIMULUS. Calyx tubular, 5-angled, 5-toothed. Corolla large. 
^. HERPESTIS. Calyx 5-parted; the three outer lobes much larger. Corolla short. 
* * + * Fertile stamens 2: sterile ones 2 or none. 
8. GRATIOLA. £alyx 5-parted. Sterile filaments entire, included. Capsule ovate or dei ad 
9. ILYSAD . Calyx 5-parted. Sterile filaments 2-cleft, exserted. Capsule oblong. 
10. MICRANTHEMUM. Calyx 4-parted. A scale-like appendage below the filaments. 
P. 2. Upper lip of the corolla interior in the bud. Capsule commonly loculicidally dehiscent. 
* Corolla regular or slightly 2-lipped; the lobes nearly equal. 
+ Stamens 2, distant. Capsule mostly obcordate. 
ll. AMPHIANTHUS. Style 2«cleft. vn i, ee HM scape and in 
x the axils of the tufted radical leaves. ue 
A VERONICA. Style simple. Flowers in leafy racemes or spikes. 
<= Stamens 4 - 5, equal. Peduncles axillary, 2 or more together. 
