484 FLORA OF TEXAS. 



T. URTiciFOLiA, Michx. Bristly, with stinging hairs;. 

 stem erect, sparingly branched; leaves petioled, deltoid- 

 ovate or oblong, coarsely serrate, truncate or cordate at the 

 broad base, pale beneath; racemes shorter than the leaves, 

 the sterile flowers somewhat crowded ; cajjsule very bristly. 

 Dry soil. June-September. Stem l°-2° high; leaves 

 1-2' long. Perennial. 



T. RAMOS A. Ked 'River.— Marci/. 



CROTON, L. 



Floiuers monoecious, in spikes or racemes; calyx of the 

 sterile flowers 4-6-cleft or 4-6-parted; petals 4-6 ; stamens 

 5-20, distinct; antliers erect, introrse; glands as many as 

 the sCalyx-lobes and opposite them ; fertile flowers at the 

 base of the sterile spike; calyx 5-8-cleft or 5-8-parted ; 

 petals minute or wanting; styles 2-3, once-thrice 2-cleft; 

 capsule of 3 (rarely 1-2) 1-celled, 1-seeded, 2-valved car- 

 pels ; glands as many as the calyx-lobes or none. — Herbs 

 or shrnhs,^ii\\ watery juice, stellate pubescence, and alter- 

 nate petioled leaves ; flowers terminal, and at the divisions 

 of the stem. 



* styles very short ; stigmas 18-20 ; petals none ; stamens mostly 12 ; capsule Z-celled, 



C. MARITTMUM, Walt. Hcrhaceous ; whole plant covered 

 with a rough scurfy stellate and somewhat hoary pubes- 

 cence ; stem stout, bushy, umbellately branched ; leaves 

 thick, long-petioled, ovate, obtuse, entire, rounded or 

 slightly cordate at the base, hoary beneath ; spikes long- 

 peduncled, capitate, few-flowered, the sterile and fertile 

 ones mostly separate ; calyx 5-cleft, with ovate-obtnse lobes ; 

 capsule much longer than the calyx ; seeds ovoid, mottled. 

 Drifting sands along the coast. July-October. Stem 

 2°-3° high ; leaves 2-3' long ', flowers occasionally polyga- 

 mous. 



** styles 3, tivice 2-parted or 2-clefl; stigmas 12; petals of the sterile flowers 5-6, of the 

 fertile none ; stamens 8-15 ; capsule Z-celled. 



C. BALSAMiFERUM, Willd. Shvuhhy ; stem smooth, 



