384 LXXXII. PRIMULACEZ. PRIMULA 
Conspecius of the Genera. ~ : 
7-eleft.. Leavesinone whorl. . . Yrientalis. 4 
, } 5-clett. Flowers paniculate. - . Samolus, 10 
Corolla white, (4-cleft. Plants 2 inches high. . . Centunculus. 9 
Stamens 6. Racemes axillary. . . Naumburgia. 6 
Corolla yellow. ? Stamens 5. ; S b é ‘ << ey es | 
: Corolla scarlet. Plant prostrate. Fils. solitary, axillary. Anagdllis. 8 
; pee _ Corolla wanting, calyx colored, white. . . . . Glauz. 5 
cauline, ? pectinate-pinnatitid, submersed in water. Bas 3 "2 % . Hottonia. 1 
Pek 6 segments spreading. . . - | » Primula. 2 
Leaves (all radical. Scape umbellate. ? Corolla segments reflexed. 5 Dodecat . 8 
i, HOTTONTE 
In honor of Peter Hotton, professor in the University of Leyden, died 1709. 
Calyx 5-parted ; cor. salver-form, with a short tube and a flat, 5- 
lobed limb; sta. inserted on the tube of the corolla, included ; stig. 
globose ; caps. globose-acuminate.—% Fleshy, aquatic herbs, with pec- 
tinate-pinnatifid, submersed, radical lvs. 
H. inrvata. Ell. (H. palustris. Ph. not Linn.) Water Feather. 
Scape articulate, the internodes and lower parts inflated; ffs. verticillate, 
pedunculate.—A curious aquatic plant, in swamps and stagnant waters, Ms., 
R.I. and Ct., N. Y. to Flor. Stem immersed, round, thick, spongy, with a 
whorl of long and beautifully pectinate leaves at or near the surface of the water. 
Peduncles or scapes several (6—10) together, arising in a sort of umbel from 
the top of the stem, S—10’ long, inflated between the joints, forming the most 
remarkable feature of the plant. Flowers small, white, in numerous verticils, 
generally 4in each. Pedicels 3’ long. June. 
2, PRIMULA. 
Lat. primus, first; because its blossoms appear earliest in spring. 
Corolla salver-form, with an open orifice; capsule opening with a 
10-cleft dehiscence; stamens 5, not exserted ; stigma globose— Herbs 
(mostly European) with radical lvs. Els. in an involucrate wmbel on a 
scape, showy. 
1. P. Mistassinica. Michx. (Fig. 49.) 
Lvs. spatulate, dentate or crenate, obtuse or acute, attenuate at base; invol. 
1—8-flowered ; bracts 3 times shorter than the pedicels, linear-subulate; cai. 
much shorter than the tube of the corolla; cor. salver-form, lobes obcordate.— 
Shores of Seneca Lake, N. Y., Dr. Sartweil! Cliffs, Willoughby lake, Vt.! through- 
out Brit. Am. A very delicate plant, about 3’ high. Leaves about 5, 5—8” by 
3—4”, almost petiolate. Flowers 5’’ diam., white. Pedicels 7’ in length. 
2. P. rartnosa. 8. Americana. Torr. Bird’s-eye Primrose. 
Lvs. narrow, veiny, elliptic-lanceolate, obtuse, denticulate at apex, attenu- 
ate at base, under surface covered with a yellowish-white, farinaceous dust; 
invol. farinaceous, 3—20-flowered, shorter than the pedicels; bracts long-acumi- 
nate; cal. segments lanceolate, acute; cor. salver-form, lobes obcordate, bifid, 
obtuse.—Shores of Lakes Huron and Superior, Nutt., Houghton, N. to lat. 66°. 
Scape 6—12’ high. Flowers purple or flesh-color. 
3. P. aurictna. Auricled Primrose or Auricula.—Lvs. obovate, entire or ser- 
rate, fleshy ; scape many-flowered, central, as long as the leaves; invol. of short 
leaves; cal. powdery.—2| Native of the Alps. A well known favorite of the 
florist. The cultivated varieties are innumerable, and many of them of exqui- 
site beauty and fragrance. May. + 
4. P. evaTior. Jacq. Ozlip Primrose—Lwvs. toothed, rugose, hairy on each 
side; wmbel many-flowered, with the outer flowers nodding ; cor. flat—®? Native 
of Britain, Flowers yellow, scentless, in a simple umbel elevated upon a scape 
a foot high. Apr. May. ft z 
5. P. orricinatis. Jacq. (P.veris. Cam.) Cowslip Primrose.—Lws. toothed, 
rugose, hairy beneath; wmbels many-flowered, flowers all nodding; ca/. angular ; 
eer, concave.—2| Native of Britain. Flowers yellow. The plant smells strongly 
