64 GEUANIACK-K. (GERANIUM KAMII.V.) 



Synopsis. 



1. TIU HULL'S. C"arpc'l« 5, transTcracly few -celled, few-seeded. IlerlM. 



2. KAI.LSTKO.MIA. ('»rpeU 10, 1 celled, 1 Reeded. Herbs. 

 &i QUAIACUM. Carpela 2- D, couipresBed, l-seeded. Trees. 



1. TRIBULUS, L. 



Sepals 5, imbricated in the Imd, deciduous. Rtameiis 10. Ovary 5-ocllcd, 

 witli 3-5 susj)cndcd ovules in each cell. Carpels of tlic fruit 5, s])iny on the 

 hack, transversely divided into 2 - .") one-seeded cells, sej)aratin;j: at maturity, with- 

 out a central axis. All)unicn none. — Prostrate herbs. Leaves abruptly pinnate. 

 Teduncles solitary, 1 -flowered. 



1. T. cistoides, L. Leaves unequal ; leaflets 6- IC, linear-cjlilon;^, niucro- 

 natc, silky beneatli ; peduncles as long as the leaves ; flowers large, yellow. — 

 Key West. — Stems l°-2° long, hairy. Petals 2-3 limes as long as the 

 calyx. 



2. KALLSTROMIA, Scop. 



Sepals .5-6, persistent, imbricated in tiie bud. Stamens 10-12. Ovary 10^ 

 12-celled, the cells 1-ovuled. Carpels of the fruit 10-12, separating from each 

 other and from the central axis. Albumen none. — Hairy herbs, with the habit 

 of Tribull's. 



1. K. maxima, Torr. & Gray. Leaves nearly equal; leaflets 0-8, ol)- 

 liquely oblong, mucronatc, the terminal j)air larger; peduncles shorter than the 

 leaves ; petals as long as the bristly calyx, yellow ; carpels rugose on the back. 

 — Key West and Savannah. — Stems 1° - 2° long. 



3. GUAIACUM, IMum. 



Sepals 5, deciduous. Stamens 10, with naked filaments. Ovary stalked, 

 2-.5-celled, the cells 8-10-ovuled. Carpels of the fruit 2 -.5, compressed, 1- 

 seeded Seed-coat fleshy. Embryo straight in hard thin albumen. — Trees. 

 Leaflets reticulate. Flowers blue or purple. 



1. G. sanctum, L. Branches opposite and forking, jointed, pubescent 

 when young ; leaflets C or 8, obliquely obovate or oblong, mucronate, entire ; 

 peduncles single or clustered at the forks of the branches. 1-flowered, shorter 

 than the leaves ; sepals and jietals obtuse ; flow(!rs blue. — Soutii Florida. — A 

 small tree Avith white bark. Flowers ^' wide. Fruit obovate. 



Order 02. GERANIACE^. (Geranium Family.) 



Herbs or shrubby plants, with tumid joints, alternate or opposite pal- 

 mately lobed stipulate leaves, anil hypoj^ynous and decandrous flowers. 

 — Sepals 5, imbricated in the bud, persistent. Petals 5, convolute in the 

 bud, deciduous. Stamens monadelphous at tlie base ; the 5 exterior ones 

 shorter and often sterile. Ovaries 5, 2-ovuled, and, with the persistent 



