OIIDKR 07. RUBIACEJE. 147 



8 V. Lentago L. Siceet Viburnum. Lvs. ovate and oval, long-acuminate, acutely and 



finely uncinate-serrate ; petiole with undulate margins ; fr. glaucous-black, oval, eat 

 able. Rocky woods, Can. to Ga. and Ky. 10-20f. A small, handsome tree. June. 



9 V. prunifoliiim L. Black Haw. Sloe. Lvs. shining, oval or ovate, obtuse, sharply 



nncinate-serrulate ; petioles slightly margined ; cymes sessile ; fr. blackish, oval, 

 sweet. Woods, N. Y. to Ga. and 111. 10 20f. A small tree. Lvs. 2 3'. 

 /3. fcrrug-ineum. Possum Haw. Lvs. lance-oval, rusty beneath ; fr. tasteless. S. 



1 V. nudum L. Smooth ; Ivs. oval-oblong, or lance-oval, subrevolute at edge, en- 

 tire or subcrenulate, not shining, veiny and dotted beneath ; petioles not winged ; 

 cymes on short stalks. Thickets. 10 20f. Lvs. 3 4'. Drupes blue, eatable. Apr.-Jn. 



ft. ang-itsti 'folium. Lvs. lance-oblong, acute at both ends, subentire. S. 



y. castinoifle*. Lvs. ovate or oval, denticulate, obtuse, acute, &c. N. 



5. ovule. Lvs. small (15"), oval, obtuse, very entire. South. 



J 1 V. oboviitum Walt. Lvs. small (012"), obovate, obtuse, entire or nearly so, 

 eubsessile, dotted ; cymes small, many, sessile. River banks, S. 12f. Fruit black. Ap. 

 1 2 V. TINUS. Laurestine. Lvs. lance-ovate, entire, thick, shining. Eur. 5f. 

 1 3 V. ODORATISSIMUM. Lvs. elliptic-oblong, repand-dentate, thick. China. 



ORDER LXVII. RUBIACE^E. MADDERWORTS. 

 Plants with opposite or verticillate, entire leaves. Stipules between the 

 petioles sometimes leaflike or 0. Calyx tube adherent to the ovary ; limb 4- 

 to 5-cleft. Corolla regular, inserted upon the calyx tube, and of the same 

 number of divisions. Stamens inserted upon the tube of the corolla, equal 

 in number and alternate with its segments. Ovaries 2-(rarely more)-oelled. 

 Style single or partly divided. Fruit various. 



{ STELL.AT/E. Herbs with the leaves in whorls of 4 8 and no stipules, .(a) 



a, Flowers 4-parted. Fruit twin, separating into 2 nutlets. GALIUM. 1 



Flowers 5-parted. Fruit twin, separable, baccate, smooth RUBIA. 2 



CINCHONE.E. Leaves opposite or in whorls of 3, with stipules. & Herbs, .(r) 



6 Shrubs or trees., (d) 



r Flowers in pairs, with a double ovary. Berry double MITCHELL A. 3 



t Flowers separate. Carpels 2, e each 1-seeded, separating in fruit.. (/) 

 each OD -seeded, forming a capsule. ,(g) 



/ Fls. in clusters. h Both carpels open after separating BORRERIA. S. Fla. 



/< One carpel open, the other indehiscent SPERMACOCE. 4 



/ Flowers snbsolitary. Both carpels indehiscent, 7c dry DIODIA. 5 



k baccate ERNODEA littoralix. S. Fla. 



<7 Corolla funnel-form. Seeds 16 + , cup-shaped HOCSTONIA. 6 



ff Corolla wheel-shaped. Seeds 80 + , angular OLDBNLANDIA. 7 



d Flowers capitate, iu round, dense heads. Leaves often ternate. .(T) 



d Flowers not capitate. m Carpels 210, each 1-seeded. In S. Florida.. (n) 



m Carpels 25, each 00 -seeded. Florida.. (o) 

 n Carpels 2 1, fewer than the lobes of the corolla. Fruit fleshy. ,(p) 

 n Carpels 4 10, symmetrical with the corolla lobes.. (q) * 



7 Flowers 4-parted, white. Fruit compacted but distinct, dry CEPHALANTHUS. 8 



/ Flowers 5 parted, red. Drupes united into a compact berry MORINDA Roioc. S. Fla. 



p Leaves opposite. Racemes axillary. Carpels flattened CHIOCOCCA racemota. 



p Leaves opposite. Corymbs terminal. Carpels angular PSTCOTRIA. 



p Leaves in 3's, linear, rigid. Racemes axillary. Shrub STRUMPFIA maritime. 



q Spikes axillary, forked. Anthers on the throat of corolla OUETTARDA. 



q Panicles axillary. Filaments inserted on the base of corolla ERiTHALis/rufKcwa. 



o Fruit baccate, 5-celled. Corolla tubular. Stigmaentire HAMELIA paten.". 



o Fruit baccate, 2-celled. Cor. funnel-form, white, t. . Cape Jessamine.. GARDENIA, p. 445. 



> Fruit capsular. Flowers in radiant cymes. A slender tree PINCKNEYA. 9 



s Flowers in cymes, not radiant, red. Shrub. t...BouvARDiA. 10 

 Flowers solitary, axillary. Shrub 6 lOf ExosiEJCMA. S. Fla. 



