RUBIACEiE. 149 



Banks of streams. Yates county, N. Y. Penn. to Car. W. to Miss. July, 

 Aug. Iq. — Stem 2 — 3 feet hi^h, with numerous purplish branches. Flowers 

 greenish-red. Berries dark red, globose. Indian Currant. 



2. S. racemosus Mich. : spikes terminal, loose, interrupted, often sanewhat 

 leafy; flowers on short pedicels ; corolla campanulate, densely bearded in- 

 side ; style and stamens included. Symphoria racemosa Pursh. 



Rocky banks of streams. Can. Western N. Y. W. to Oregon and California. 

 June, July. T^ . — Stein 2 — 3 feet liigh. Flowers pale red. Berries globose, large, 

 very white and opaque. Common Snowberry. 



7. LINN^A. Gron.—hmn^a. 

 (In honor of the illustrious Swede.) 



Calyx with the tube ovate ; Hmb 5 -parted ; segments lan- 

 ceolate-subulate. Corolla turbinate, subcampanulate, 5-lobed. 

 Stamens 4, subdidynamous, included. Stigma globose. Berry 

 dry, small, ovate-globose, 3-celled, (one cell only bearing a per- 

 fect seed.) 



L. borealis Gron. 



Moist woods. Arct. Amer. to N. J. W. to Oregon. June, July. 7] Ever- 

 green, creeping. Leaves opposite, on short petioles, round-ovate, crenate, 

 slightly hairy. Peduncles erect, long. Flowers 2, drooping, pedicelled, white or 

 pale red. Twin Flower. 



Order LXVI. RUBIACeJe.— Madderworts. 



Tube of the calyx mostly adhering to the ovary ; the limb 

 usually 4 — 5 -cleft or toothed. Corolla with as many petals as 

 there are divisions of the calyx. Stamens as many as the 

 petals and alternate with them. Ovary 2 -celled ; style mostly 

 single ; stigmas 2. Fruit various. Albumen copious, horny 

 or fleshy. — Trees, shrubs or herbs. Leaves simple, entire, op- 

 posite or in whorls. 



1. HEDYOTIS. Linn.— Hedyotis. 



(From the Greek rjSvi, stoeet, and ovs, mto^, an ear; on account of its supposed 

 virtue in curing deafness. Darlington.) 



Calyx with the tube ovate, the limb 4-toothed ; teeth erect, 

 persistent. Corolla funnel-form, salver-form or rotate, 4-parted. 

 Stamens 4, somewhat exserted. Capsule ovoid or globose, 

 2-celled, opening transversely at the top, many-seeded. 



1. H. ccendea Hook.: stem erect or spreading, dichotomous ; radical 

 leaves spatulate-oval ; cauline oblanceolate ; peduncles filiform, elongated, 

 1-flowered. Houstonia ccerulea Linn. 



Moist grounds. Can. to Flor. W. to 3Iiss. April— Sept. (J) or (^. — Stems 

 numerous, 3 — 6 inches high. Flowers blue, sometimes nearly white. The 

 Western specimens not unfrequently have the peduncles many-flowered. 



Blue Hedyotis. Common Bluets. Dwarf Pirik 



