LOBELIACEH. (LOBELIA FAMILY.) 253 
— Margins of fields, &c., Florida, and northward. Sept. (8)— Stem 3°-6° 
high. Leaves 3/—-6' long, often hairy beneath. Flowers blue. ` 
2. M. Floridanum, DC. Smooth; stent panicled above; leaves all 
pinnatifid and toothed, with the terminal lobe larger and 3-angled, or the upper- 
most lanceolate, sessile or clasping ; heads racemose-panicled; flowers blue. — 
Rich soil, Florida to North Carolina. Aug. and Sept. — Stem 3° - 6° high. 
* * Pappus tawny. 
3. M. leucophzeum, DC. Smoothish ; stem panicled above; leaves . 
numerous, irregularly pinnatifid, with coarsely-toothed lobes; the terminal lobe 
S-angled, or in the upper leaves often linear and entire; racemes panicled. — 
Mountains of North Carolina. Sept. (8)— Stem 39-12? high. Leaves 6'- 
12! long. Flowers pale blue. 
91. SONCHUS, L. 
Heads many-flowered. Scales of the involucre imbricated. Receptacle naked. 
Aghenia compressed, ribbed, not beaked nor narrowed at the apex. Pappus of 
copious soft white hairs. — Annuals. Leaves entire or pinnatifid. Heads some- 
what umbelled. Flowers yellow. 
l. S. oleraceus, L. Smooth; stem branching ; leaves pinnatifid, with 
Spiny-toothed lobes, clasping ; the lowest petioled ; achenia transversely rough- 
ened. — Waste places. Introduced. June- Aug. — Stem 1? - 2° high. 
2. S. asper, Vill. Smooth, or the upper part of the stem and peduncles 
hispid ; leaves entire, clasping, fringed with weak spines ; the lowest oblong- 
obovate, the upper lanceolate; achenia smooth. — Fields, Florida, and north- 
ward. June — Aug. — Stem 2°- 3° high. 
ORDER 73. LOBELIACEZE. (Losers FAMILY.) 
Chiefly herbs, with milky juice. Leaves alternate, without stipules. 
ers irregular. — Calyx 5-lobed, the tube adherent to the 2-celled 
Ovary. Corolla unequally 5-lobed, valvate in the bud; the tube split on 
One side to the base. Stamens 5, inserted on the calyx ; the anthers, and 
tommonly the filaments, united into a tube. Style solitary: stigma 2- 
, Surrounded with a ring of hairs. Fruit baccate and indehiscent, or 
Capsular and 2-3-valved, many-seeded. Seeds anatropous. Embryo 
straight in fleshy albumen. — Acrid poisonous plants. 
1. LOBELIA, L. LoBELIA. 
—-— bilabiate; the upper lip small, erect or reflexed, 2-parted, the lower 
Spreading, palmately 3-cleft; the tube straight. Anthers, or a part of them, 
- Mearded. at the apex, curved. Capsule 2-celled, 2-valved at the apex, many- 
Stded.— Stems erect. Leaves undivided; ide does gland Flowers 
