ORDER 67. RUBIACEJS. 147 



8 V. Lent Ago L. Sweet 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. pruniiolium L. Black Haw. Sloe. Lvs. shining, oval or ovate, obtuse, sharply 



uncinate-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. ferrtig-ineuntt Possum Haw. Lvs. lance-oval, rusty beneath ; fr. tasteless. S. 



10 V. ii it du in 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. 34'. Drupes blue, eatable. Apr.-Jn. 



/3. anytisii folium. Lvs. lance-oblong, acute at both ends, subentire. S. 



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



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



J 1 V. oboviitum Walt. Lvs. small (6 12"), obovate, obtuse, entire or uearJy so, 

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

 1 12 V. TINUS. Laurestine. Lvs. lance-ovate, entire, thick, shining. Eur. 5f. 

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



ORDER LXVII. RUBIACEJE. 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)- celled. 

 Style single or partly divided. Fruit various. 



STELLATE. 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 



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



CINCIIONEyE. Leaves opposite or in whorls of 3, with stipules. '> Herbs.. (r) 



b Shrubs or trees., (d) 



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



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

 e each GO -seeded, forming a capsule., (g) 



f Fls. in clusters. ft Both carpels open after separating BORRERIA. S. Fla. 



7t One carpel open, the other indehiscent SPERMACOCE. 4 



/ Flowers subsolitary. Both carpels indehiscent, k dry DIODIA. 5 



k baccate ERNODEA littoraUs. S. Fla. 



ff Corolla funnel-form. Seeds 16 + , cup-shaped HOUSTONIA. 6 



a Corolla wheel-shaped. Seeds 89 + , angular OLDEN LANDIA. 7 



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



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



m Carpels 2 5, each 00 -seeded. Florida.. (o) 

 n Carpels 24, fewer than the lobes of the corolla. Fruit fleshy. .( p) 

 n Carpels 410, symmetrical with the corolla lobes, .(q) 



I Flowers 4-parted, white. Fruit compacted but distinct, dry CEPHALANTHPS. 8 



I Flowers 5- parted, red. Drupes united into a compact berry MORINDA Rnioc. S. Fla. 



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



p Leaves opposite. Corymbs terminal. Carpels angular PSTCOTRIA. 



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



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



q Panicles axillary. Filaments inserted on the base of corolla ERITHALIS//-U?JCOI. 



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



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



O Fruit capsular. s Flowers in radiant cymes. A sleuder tree PINCKNEYA. Q 



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

 e Flowers solitary, axillary. Shrub 6 lOf F.XOSTEMJCA. S. Fla. 



