1080 RHINANTHACEAE 
4. Castilleja purpurea G. Don. Perennial, gray-tomentose or tomentulose. Stems 
1-3 dm. tall, commonly tufted : stem-leaves with linear simple or once or twice 3-cleft or 
laciniate blades: bracts similar to the leaves but with broader bases: calyx colored like 
the bracts: corolla fully 2.5 cm. long, colored lke the bracts, the upper lip longer than 
the obscurely saccate portion : capsules 1.5-2 cm. long. 
On hillsides, Arkansas to Texas and Arizona. Spring. 
37. MELAMPYRUM L. 
Annual caulescent, often glandular-pubescent herbs. Leaves opposite : blades entire 
or toothed or ciliate-toothed at the base. Flowers solitary in the axils, sometimes in ter- 
minal racemes. Calyx of 4 partially united sepals: lobes unequal, the two upper longer 
than the lower. Corolla white, yellow, violet or variegated, 2-lipped, the upper lip arched, 
the lower lip 3-lobed, 2-plaited. Stamens 4, didynamous ascending under the upper lip of 
the corolla : anthers alike; sacs parallel, mucronulate at the base. Stigma minute. 
Capsule flattened, oblique, loculicidally dehiscent. Seeds 1-4, smooth. 
Leaf-blades linear or linear-lanceolate: bracts with several cilium-like teeth near the bate- idis 
. M. Neare. 
Leaf-blades mainly ovate: bracts entire. 2 M. latifolium. 
1. Melampyrum lineàre Lam. Stems 1-3 dm. tall, branching above: leaves numer- 
ous ; blades linear or linear-lanceolate, 1-4 cm. long, acutish : pedicels 1-4 mm. long, 
densely glandular: calyx 3-6 cm. long ; lobes linear-lanceolate to linear-subulate, longer 
than the tube: corolla whitish, mostly less than 10 mm. long: capsules 6-8 mm. long. 
[M. Americanum Michx. ] 
In woods and thickets, Nova Scotia to British Columbia, south to North Carolina, Kentucky and 
Minnesota. Spring and summer. 
2. Melampyrum latifólium Muhl. Stems 2-4 dm. tall, nearly simple or branching 
above. Leaves few; blades mainly ovate, sometimes ovate-lanceolate or even spatulate 
near the base of the stem, 2-7 cm. long, acute or acuminate, abruptly narrowed or subcor- 
date at the base: pedicels 2-5 mm. long: calyx 3-5 mm. long ; lobes subulate, becoming 
as long as the tube or longer, with few silvery hairs: corolla whitish, mostly over 10 mm. 
long: capsules 5-7 mm. long. 
On mountain slopes, Pennsylyania to North Carolina, Georgia and Tennessee. Spring and summer 
38. PEDICULARIS L. 
Annual biennial or perennial caulescent herbs. Leaves alternate or opposite or rarely 
whorled: blades pinnatifid, pinnately lobed or pinnately parted. Flowers in terminal 
spikes or racemes. Calyx of 5 mostly united sepals, often with a cleft on the lower side 
and sometimes also on the upper: lobes shorter than the tube: corolla white or of various 
colors, strongly 2-lipped : upper lip concave or conduplicate, laterally flattened : lower lip 
erect or spreading. Stamens 4, didynamous, ascending under the upper lip of the corolla : 
anthers and their sacs alike. Capsule flattened, oblique, or curved, beaked, loculicidally 
dehiscent. Seeds numerous, reticulated, striate, pitted or ribbed. Lousewort. 
Leaf-blades pinnately parted : capsule linear-lanceolate, thrice as long as the calyx. 1. P. Canadensis. 
Leaf-blades shallowly pinnatifid or toothed : capsule ovoid, little longer than the calyx. 2. P. lanceolata. 
l. Pedicularis Canadénsis L. Perennial, often sparingly hirsute. Stems tufted, 1-4 
dm. tall, sometimes decumbent. Basal leaves clustered ; blades oblong to lanceolate, 5- 
em. long, pinnately parted, slender-petioled, the segments toothed or incised ; ee 
similar to the basal but smaller: calyx 5-7 mm. long, villous, parted on the lower as 
with 2 tooth-like lobes on the upper side: coralla ochroleucous, more or less tinged Me 
red or purple, about 1.5 cm. long, the upper lip much surpassing the lower: capsules 
linear-lanceolate, nearly 2 cm. long, the beak longer than the body. a 
FORE, open woods and thickets, Nova Scotia to Manitoba, Florida, Texas and Mexico. Spring an 
er. 
2. Pedicularis lanceolata Michx. Perennial, sparingly pubescent below the aa 
florescence, or glabrous. Stems 3-12 dm. tall, sometimes branching: stem-leaves phere 
or opposite ; blades oblong to lanceolate, 5-12 cm. long, shallowly pinnatifid or tooth i 
the segments or teeth crenulate or dentate ; basal leaves nearly similar to those of Mice : 
but larger: calyx fully 10 mm. long, 2-lobed, each lobe truncate and surmounted er 
oval or suborbicular appendage: corolla straw-colored, about 2 cm. long, the upper "IP 
little surpassing the lower: capsules ovoid, about 1 em. long, minutely beaked. 
: i çzebraska. 
In swamps and meadows, Ontario to Manitoba, Connecticut, North Carolina, Ohio and Neb 
Summer and fall. 
