130 Onagracez. | Jussi@a. 
Paes 23 2,— 
LV.—ONAGRACEE. 
Add to key: 
Stam. 8 or Io: 
Capsule septicidal . : : : : . I. JUSSLAA. 
Capsule loculididal . ; ; : : : ; Cnothera. 
1. JUSSIZA Linn. 
Stems creeping or floating; petals 5, Rhea ce 
white : : . 1 J. REPENS, 
Stem erect; petals usually fe yellow : 
Corolla under 1 in. ; fruit cylindric : 
Corolla 3 in. across ; plant quite glabrous; 
fl. sessile. ; : : J : . 2. |. cee 
Corolla 2 in. across; plant glabrous to 
villous ; fls. subsessile ; ; : . 3. J. SUFFRUTICOSA. 
Corolla 2 in.; fruit turbinate; plant villous; 
fls. pedicellate . : : . 4. J. PERUVIANA. 
2. J. tenella Burm. f. Fl. ra p. 103 t. 34 f. 2 (1768). J. suyjprate 
cosa Linn. Sp. Pl. p. 556 (1753) pp. quoad syn. Rheede; Merr. in Phil. 
Journ. Sc. XIX, p. 367 (1921); Clarke in Fl. Brit. Ind. Ll, pe S87 
Be? 9) pp.; Ridl. in een Bot. LIX, p. 257 (1921). J. linifolia Vahl 
elo Amer. Ely pe 32 12708); Merr. in Phil. Journ. Se. Boe, Vit, 
p- 240 (1912); Fawcett in Journ. Bot. LXIV, p. 12 (1926). Ludwigia 
prostrata Auct. non Roxb. 
Semi-shrubby perennial, 1-2 ft., glabrous; 1. 1-2 in., lance- 
olate, shortly petioled; fl. small, + in. across, sessile; petals 
broadly elliptic, acute; stamens 8; capsule I in.; seeds min- 
ute, pale brown. 
Low country, common on bunds of paddy fields. Peradeniya; 
Kalutara ; near Colombo (N. G. Ball). Fls. June, Sept., Nov. ; yellow. 
Throughout the tropics (?native of America, Merrill). 
3. J. suffruticosa Linn. Sp. Pl. p. 556 (1753) excl. syn. Rheede; 
Benth. Fl. Austral.; Merr. Int. Rumph. p. 406 (1917); Fawcett 1. c. 
p. 12 (1926). J. erecta Linn. Sp. Pl., ed. 2, p. §56)(19@a iste 
Ridl. 1. c. f. 258 (1921); Livera 1. c. p. 199 (1924). J. suffruticosa var. 
subglabra Trim. Fl. Ceyl. II, p. 233 (1894) pp. 
Leaves 2-4 in., lanceolate, subglabrous; fls. in. across, 
subsessile; petals emarginate; stam. 8. 
Wet places in moist low country up to 3000 ft. rather rare. Gano- 
ruva; near Kandy. FI. Feb. 
Forma villosa (Lamk.). J. villosa Lamk. Encycl. III, p. 331 
(1791); Ridl. 1. c. p. 259 (192%); Livera 1. c. p. 200 (F920). 
Leaves and capsule pubescent: 
Near Galle; near Kandy. Fl. Sept., Oct. 
Forma angustifolia (Lamk.). J. angustifolia Lamk. Encycl. 
Part II. 
