408 EUrHORBIACEiE. (srURGE FAMILY.) 



barrens, Georgia and Florida. June -Sept. — Stem 6' -12' high. Leaves 

 l'-H'long. 



* * * Stifles 3, 2-clcjt : stigmas G : petals of the sterile flowers longer than the calyx, 



of the fertile ones minute, subulate: stamens 8 : capsule 3-celled. 



5. C. glandulosum, L. Annual, rough with bristly hairs ; stun mnbel- 

 lately branched ; leaves oblong, obtuse, coarsely serrate, mostly crowded at the 

 division's of the stem and summit of the branches; the slender petiole biglandu- 

 lar at the apex; spikes small; sterile flowers minute, white ; calyx 4-parted ; 

 petals 4 ; fertile flowers few, with the calyx 5-parted. — Dry waste places, Flor- 

 ida to North Carolina, and westward. July -Sept. — Stem 6' - 18' high. 



# # # # Styles 2, 2-parted : stigmas 4 : petals 5 in the sterile flowers, none in the 



fertile : stamens 5 - 10 : capsule 1 - 2-celled. 



6. C. monanthogynum, Michx. Annual ; stem erect, twice or thrice 

 umbellately branched, the spreading forking branches, like the leaves and 

 racemes, stellate-tomentose ; leaves on slender petioles, ovate or oblong, entire, 

 obtuse, whitish beneath; racemes in the forks of the branches, few-flowered; 

 the sterile flowers corymbose; the fertile (1-2) nodding. — Dry sterile soil, 

 South Florida to North Carolina. June - Sept. — Stem 1° high. Leaves 1' 

 long. 



8. CROTONOPSIS, Michx. 



Flowers monoecious, in terminal and axillary clusters. Calyx of the sterile 

 flowers 5-parted. Petals and stamens 5. Filaments separate, dilated upward. 

 Fertile flowers below the sterile. Calyx 3 -5-parted. Petals none. Petal-like 

 glands 5, opposite the calyx-lobes. Ovary 1 -celled, 1-ovulcd. Stigmas 3, each 

 2-cleft. Fruit globose, indehiscent, 1 -seeded. — A low and slender branching 

 annual. Leaves linear or lanceolate, short-petioled, entire, green and hairy 

 the lower surface, like the branches, covered with silvery scales. Flowers 

 minute. 



1. C. linearis, Michx. — Dry sandy soil, Florida to North Carolina. 

 Aug. - Sept. — Stem G'-12' high, alternately branched or forking. Leaves 

 £'- l' long, alternate or opposite. 



9. APHORA, Nutt. 



Flower- monoecious, in axillary spikes. Sterile BowOTS few. Calyx 5-parted. 

 Corolla of 5 Bpatulate petals alternating with 5 flattened glands, as long as the 

 calyx. Stamens 10-12, in _' whorls of 5-6 each, monadelphous below. Fer- 

 tile flowers like the sterile, but the petals shorter than the calyx. Style 3 parted, 

 the divisions 2-cleft. Capsule of three l-celled, 1-seeded, 2-valved carpels.— 

 Shrubs, or herbs, with watery juice. 



l. A. Blodgcttii, Torr, Branches Bmoothlsh; haves alternate, oval or 



oblong, i tly acute, Bharply serrulate, Biuooth, or Bprinkled wiih Bimple ap- 



d hairs, abruptly Bhort-petioled ; Bterila flowers a -5, fertile mostly solitary ; 



