RHINANTHACEE. 
first canescent, but at length becoming glabrous. Spikes naked. 
Corolla pale yellow, or white ; galea furnished with short teeth. 
Capsule ovatg-lanceolate, acuminated. 
Milfoil-leaved Lousewort. Pl. 1 to 11 foot. 
60 P. rasiósrAcuvs (Bunge, in Ledeb. fl. alt. ross. ill, t. 440. 
fl. alt. 2. p. 434.) stem downy ; leaves pinnate : leaflets dense, 
linear, pinnatifid ; spike short, dense, leafy ; calyx membranous, 
funnel-shaped, acutely 5-toothed, densely woolly, shorter than 
the bracteas, which are foliaceous, quite entire at the base, pin- 
nate in the middle, and serrulated at top; filaments all gla- 
brous. 2/4. H. Native of Altaia, in marshes on the tops of 
the alps at the river Tschuja, near the mouth of the river Tsche- 
gan. Root fascicled. Branches and calyxes clothed with yel- 
lowish wool. Corolla ringent, pale yellow, hardly twice the 
length of the calyx. Style less exserted than in P. flava. Habit 
of P. Langsdérfit, but that has no téeth at the top of the galea. 
Woolly-spiked Lousewort. Fl. July. Pl. 4 to 4 foot. 
61 P. A’rcrica (R. Br. in Frankl. journ. append. p. 742.) 
stem simple, woolly; leaves pinnatifid: lobes subovate, den- 
tately cut, glabrous in the adult state; petioles of cauline 
leaves dilated ; calyx woolly, 5-cleft; galea obtuse, truncate, 
bidentate ; longer filaments hairy. %. H. Native of Mael- 
ville Island. Corolla purple, glabrous. Said to be nearly 
allied to P. Sudética. 
Arctic Lousewort. PI. 1 foot. 
Secr. VII. Epz'wrunx (so named from the galea of corolla 
being toothless.) Leaves alternate. Corolla ringent; galea 
toothless, without a beak. 
62 P. Laxespónrm (Fisch. in Stev. mon. p. 49. t. 9. f. 2.) 
stem simple; leaves bipinnatifid: segments more or less cut: 
rachis of cauline leaves dilated ; calyx 5-cleft, 4 times shorter 
than the corolla; galea obtuse, truncate. 2%. H. Native of 
Arctic Siberia, about the mouth of the river Lena; Kamtschatka, 
and other Russian American Islands. Stem hairy, or woolly at 
top. Spike dense, leafy. Corolla purple. Filaments all more 
or less ciliated. Capsule a little longer than the calyx, oblique, 
mucronate. 
Var. B; calyx woolly. 
P. lanàta, Pall. in Bieb. herb. Willd. herb. no. 11310. 
et Schlecht. in Linnza, 2. p. 583. Perhaps a species. 
Langsdorf's Lousewort. Pl. 1 foot. 
63 P. uimsu'TA (Lin. spec. p. 848. Stev. mon. p. 51.) stem 
simple; leaves pinnatifid, with lanceolate, bluntly toothed seg- 
ments ; rachis of cauline leaves dilated into foliaceous petioles ; 
calyx hairy, 5-cleft; corolla twice as long as the calyx; galea 
very blunt. %. H. Native of Lapland; and of Siberia, at 
the mouth of the river Lena. Pall. itin. 3. p. 34. Wahl. fi. 
lapp. no. 31. P. arctica, Adams, mss.— Lin. fl. lapp. 245. t. 4. 
f. 3. Petioles of cauline leaves stem-clasping. Segments of 
calyx often toothed. Filaments all glabrous. Capsule longer 
than that of P. flámmea. 
Hairy Lousewort. Pl. 1 foot. ? 
64 P. rrLA'MMEA (Lin. spec. 846. Stev. mon. p. 51.) stem 
simple ; leaves pinnate : leaflets roundish, imbricated backwards, 
doubly toothed ; calyx 5-cleft, glabrous ; galea of corolla very 
blunt, rounded; segments of the lower lip linear. X. H. 
Native of Lapland and Greenland. Willd. spec. 3. p. 215, 
exclusive of most of the synonymes. Wahl. fl. lapp. no. 310, 
^t. H. P. alopecuroides, Adams. 
Cham. 
exclusive of var. 6. Lin. fl. lapp. 244. t. 4. f. 2. Filaments 
all glabrous. Corolla pale red. 
Flame-coloured-flowered Lousewort. Fl. May, June. Clt.? 
Pl. 3 to 1 foot. 
65 P. versicotor (Wabl. fl. helv. p. 118.) dwarf; leaves 
pinnate: segments or leaflets imbricated backwards, serrated ; 
VOL. IV. 
625 
spike oblong; calyx 5-cleft, hairy, crested a little; galea 
straight, obtuse, angular in front. 2%. H. Native of Siberia, 
towards the mouth of the river Lena, Altaia, Kamtschatka, 
Aleutian Islands: Lapland, Switzerland, Denmark, Carpathian 
mountains, &c. ; on the Himalaya at Sholma, and towards Cash- 
mere, Royle. Royle, ill. himal. t. 72. f. 1. P. flámmea, of 
German and Swiss authors. — Fl. dan. t. 30. P. filicifdlia, 
Adams, mss.—Hall. helv. no. 315. t. 8. f. 3. Root fasci- 
culately tuberous. Petioles of lower cauline leaves slender: 
of the upper ones dilated at the base, and supporting the flow- 
ers. Apex of galea reflexed. Two of the filaments bearded. 
Corolla party-coloured, ? red and yellow, or pure yellow. 
Party-coloured-flowered Lousewort. Fl. June, Aug. 
1819. Pl. 3 to 1 foot. 
66 P. ZrzvraA'wica (Benth. scroph. ind. p. 54.) erect, simple; 
leaves oblong, obtuse, cartilaginous, doubly crenated, clothed 
with scurfy down beneath ; raceme elongated, loose ; calyx 
cleft on one side, and 5-toothed on the other, crested ; galea 
straight, obtuse, rather angular in front.— Native of Ceylon, 
Macrae. 
Ceylon Lousewort. PI. ? 
67 P. exa‘ra (Willd. spec. 3. p. 210. Stev. mon. p. 53. t. 
11. f. 2.) glabrous; stem simple ; leaves pinnatifid, with lance- 
olate, serrulated segments ; spike loose, elongated ; calyx ovate, 
glabrous, with 5 short teeth ; galea of corolla obtuse, obsoletely 
toothed, glabrous. X. H. Native of Siberia, at the Oby ; 
about Kranojarsk ; and about Smejof, Patrin. P. punicea, 
Pall.— Gmel. sib. 3. p. 211. no. 22, exclusive of the synonymes. 
Root fascicled. Corolla purple. Two longer filaments bearded. 
Capsule mucronate, rather oblique. 
Tall Lousewort. Pl. 13 to 2 feet. 
68 P. Oriza‘sm (Schlecht. et Cham. in Linnea, 5. p. 103.) 
stem erect, simple; leaves pectinately pinnatifid, with lobately 
pinnatifid segments, glabrous ; calyx 5-toothed : teeth lobulate ; 
galea short, rostrately truncate.—Native of Mexico, on Mount 
Orizaba. Radical leaves 3-4 inches. Corolla purple: lower lip 
trifid. Allied to P. elàta. 
Orizaba Lousewort. Pl. 4 to 14 foot. 
69 P. rosea (Jacq. icon. rar. 1. t. 115. Wulf. in Jacq. 
misc. 2. p. 57.) stem simple; leaves pinnate: leaflets linear, 
pinnatifid ; calyx hairy, tubular, unequally 5-toothed, or 5-cleft ; 
galea of corolla obtuse. 2f. H. Native of the Alps, as of 
Carinthia, Italy, and France; also of Siberia. P. hirsuta, All. 
ped. 227. t. $41. spec. 52. t. 12. f. 1. Stems naked, or few- 
leaved. Flowers few, purple. Two of the filaments bearded. 
Capsule longer than the calyx, obliquely mucronate. 
Rose-coloured-flowered Lousewort. Pl. 4 foot. 
70 P. recutira (Lin. spec. p. 846.) stem simple ; leaves pin- 
natifid, with deeply toothed segments ; spike compact, leafy ; 
calyx glabrous, about equally 5-toothed; galea of corolla very 
blunt %. H. Native of the alps of Middle Europe, as of 
Switzerland, Italy, Austria, &c. ; and on the confines of Rus- 
sia. Jacq. austr. 3. t. 258. P. obsoléta, Crantz. austr. p. 316. 
—Hall. helv. no. 316. t. 8. f. 2. Habit singular, from the 
leaves being collected under the spike. Calyx usually glabrous, 
but sometimes hairy. Corolla purple. Two of the filaments 
bearded. Capsule mucronate, very oblique. 
Surrounded-spiked Lousewort. Fl. July, Aug. Clt. 1787. 
Pl. 1 to 14 foot. 
71 P. WinuzrLwsiA'NA (Stev. mon. p. 55. t. 16. Bieb. fi. 
taur. 3. p. 412.) stem simple; leaves pinnate: segments or 
leaflets ovate, pinnatifid; spike dense; calyx ovate, woolly, 
5-cleft, with linear, elongated segments; galea of corolla very 
short. Y%.H. Native of Caucasus, on Mount Beschtau, and 
about Nartzana. Habit of P.foliósa. Root yellow, divided 
into oblong tubers. Stem downy, with few leaves, or even naked 
IIT. Pepicuraris. 
Clt. 
