Oedeb 6T.— EUBIACE^. 403 



ovate. Sts. very slender, forked, 3 to 5' high, eaeh branch bearing a flower. Cor. 

 pale blue, yellowish at the center, about 5" wide. May — Aug. (Hedyotis Hook. 

 Oldenlandia, Gray.) 

 /3. Mi^NOR Mx. Branches and ped. spreading with a wide angle ; fls. smaller 



(3 to 4'' wide). — The more common form in the S. States. Mar., April. (H 



patens Ell.) 



2 H. serpyllifolia Mx. Cajspitous; sts. filiform, procumbent; Ivs. roundish- 

 ovate, abrupt or sutcordate at base, petiolaie, ciliolate ; ped. terminal, very long; 

 cor. lobes broad-oval. — y 7 Springy places among the mts. of Car. and Tenn. 

 Sts. very slender, weak, 6 to 12' long. Lvs. no larger than in No. 1 (of which 

 this may be but another variety). May — Jl. 



3 H; minima Beck. Glabrous, simple or diohotomously branching ; lvs. linear- 

 spattilate, much attenuated to the base ; ped. at first nearly radical, at length ax- 

 illary, often not longer than the leaves; sds. 10 to 15 in each cell, oval, smooth, 

 concave on the face. — 2) Prairies, etc: Mo., Tenn. to La. Very small and deli- 

 cate, 1 to 3' high. Lvs. about 5" by 1". Pis. rose color, nearly as large as in 

 No. 1, a. Mar.— May. (Hedyotis T. & G.) 



4 H. rotundifdlia Mx. Procumbent, creeping, leafy ; lvs. roundish- oval, abrupt 

 at base, petiolate; fls. axillary, solitary, ped. mostly longer than the lvs.; caps, 

 emarginate, few-seeded. — 2^ Sandy, damp places, S. Car. to Fla. and La. Forms 

 small patches. Sts. much branched, 2 to 5' long. Lvs. generally longer than 

 the internodes, 3 to 4" diam. Fls. wliite, about as large as in No. 1. Mar.^Dec. 



5 H. purpiirea L. St. ascending, clustered, branching, 4-angled; lvs. ovate- 

 lanceolate, 3 to 5-v6ined, closely sessile ; cymes 3 to 7-flowered, often clustered ; 

 cal. segm. laace-linear, longer tlian the capsule. — Mid. and W. States S. to Ala. 

 (Eufala), in woods and on river banks. A very delicate flower, about If high. 

 Lvs. 1 to 2' long, § as wide. Cor. white, often tinged with purple. May — Jl. 

 (Hedyotis Hook.) 



6 H. longifdlia Gaert. Radical lvs. oval-elliptic, narrowed to each end ; cauline 

 linear or lance-linear, 1-veined ; fls. in small, paniculate cymes. — If Dry hUls, 

 Can. to Ga. and Ark. Much more slender than the last. Sts. erect, 5 to 12' 

 high, 4-angled, smooth or ciholate on the angles. Lvs. 9 to 15" by 2 to 3", caul- 

 ine sessile, i-ather acute at each end, all smooth. Pis. 2 or 3 together on very 

 short pedicels, pale-purple, with deeper colored strias in the throat. Jn., Jl. 

 (Hedyotis Hook.) 



p. TENUIFOLIA. St. very branching; lvs. very narrow; ped. filiform; fls. 

 smaller. (H. tenuifolia Nutt.) 



y oiLiot.4.TA. Lvs. oblong-hnear, rather obtuse, often ciliate ; branches mostly 

 erect. — Banks of rivers and lakes, N. T. to Ohio and Ky. Yaries imper- 

 ceptibly into a. (H. ciholata Torr) 



7 H. angustifolia Mx. Slender, tall, strictly erect; lvs. narrowly linear, 1- 

 veined ; fls. very numerous, short-pedicelled, in compact, terminal cymules ; cal. 

 lobes subulate ; caps, obovoid or top-shaped. — If Prairies and bottoms, lU. to La. 

 Sts. slightly 4-angled, nearly terete, 10' to 2f high, branching. Lvs. 12 to 18" 

 long, acute, attenuate at base, 1" v/ide. Cor. white, hairy inside, 2" long. Jn., 

 Jl. (Hedyotis stenophylla T. & G.) 



9. OLDEN LAN 'DIA, L. In memory of Oldenland, a German pBysi- 

 cian and botanist, who died at the Cape of Good Hope.) Calyx 4 or 

 . 5-lobed, persistent ; corolla funnel-form, with a short tube, little longer 

 than the calyx, 4 to 6-lobed ; stamens 4 to 5 ; style short or 0, stigmas 

 2 ; capsule -wholly adherent to and inclosed in the calyx tube ; seeds 

 very numerous and minute (40 to 60 in each, cell.) — Herbs erect or 

 prostrate. Stip. with 2 to 4 subulate points each side. Fls. small, 

 axillary, white. 

 1 O. glomerata Mx. CuEEPiNa Gbeen-head. St. assurgent, branching; lvs. 



ovate-lanceolate, pubescent, narrowed at the base into a short petiole, or sessile ; 



fls. glomerate in the axils and terminal, cor. shorter than the leafy caL teeth. — A 



