516 ONAGRACEJE. Eucharidium. 



Northern California, Dous>;las ! — Flowers smaller than in C. pulchella, 

 purple : the scales at the base of the filaments clotiied with deep red hairs. 

 Stigma purjile. 



3. C. rhomhoidea (Dougl.): leaves ovate or oblong, on slender petioles; 

 petals rhomboidal, undivided, the claw short and 2-toothed ; stamens all fer- 

 tile, with a villous scale at the base of each, those opposite the petals shorter; 

 lobes of the stigma short and hairy; capsules on short pedicels, nearly gla- 

 brous. — Dougl. ! in Hook. fl. Bor.-Am. 1. p. 214; Lindl. ! hot. res. t' 

 1981 ; Hook. S^- Arn. I. c. C. gauroides, Don,in Brit.fi. gard. {ser.2) ^.379. 



Oregon ! and Northern California, at a distance from the coast. — Flowers 

 small. Petals about the length of the calyx, lilac-purple, pale and blotched 

 with purple near the base. Stigma purple. 



4. C. unguiculata (Lindl.) : leaves oblong, sessile, toothed ; ovaries and 

 calyx villous; petals unguiculate; the limb somewhat sagittate, rounded, 

 half the length of the claw. Lindl. hot. reg.fol. 1981. 



California, Douglas. — Hooker and Arnott liave not noticed this' species in 

 the Supplement to Capt. Beechey's Voyage, where they observe that C. 

 elegans varies much in the hairiness of the ovary and calyx. 



7. EUCHARIDIUM. Fisch. cV Meyer, 2nd ind. sem., St. Petersb. 1835 ; 

 Lindl. hot. reg. t. 1962. 



Tube of the calyx prolonged beyond the ovary, filifonn, deciduous ; the 

 limb 4-parted. Petals 4, unguiculate, 3-cleft. Stamens 4, opposite the sepals : 

 filaments filiform-subulate, shorter than the petals : anthers oblong, fixed 

 near the base (revolute when dry). Style filiform, surrounded at the base 

 by a short cylindrical disk : stigma 4-lobed, 2 of the lobes smaller. Capsule 

 oblong-linear, somewhat cylindrical, 4-celled, 4-valved. Seeds numerous, 

 in:ibricated upwards, with a narrow membranaceous wing-like margin. — A 

 small annual ascending herb, with opposite or mostly alternate ovate petio- 

 late entire leaves. Flowers axillary, sessile, about the length of the leaves : 

 petals purplish-rose-color, marked witli 3 white lines and 2 purple spots. 



E. concirmum (Fisch. & Meyer, 1. c.) 



California, at the Russian colony Ross (v, sp. cult.) and St. Francisco, 

 Douglas. — Plant with much the appearance of Clarkia rhomboidea, but 

 with smaller flowers. 



Subtribe 3. Gaurine^, Spach. — Calyx deciduous from the summit of 

 the ovary after flowering. Petals somewhat unequal or turned to one side. 

 Fruit dry and indehiscent or nearly so, 1-celled (usually by abortion), 1-4- 

 seeded. Seeds suspended, naked. — Leaves alternate. 



8. GAURA. Linn. ; G(ertn. Jr. t. 127 ; Lam. ill. t. 281. 

 Gaura &l. Schizocarya, Spach. 



Tube of the calyx much prolonged beyond the ovary, cylindraceous or 

 sometimes infuridibuliform, deciduous ; the segments 4, or rarely 3, about 



