186 FLORA OF TEXAS. 



slender petioles, serrate, slightly cordate, the lower ones 

 roundish, 3-5-lobed, the upper ovate-lanceolate, entire or 

 somewhat hastate, with rounded lobes ; peduncles shorter 

 than the petioles ; calyx inflated ; corolla tubular-campanu- 

 late, pale rose-color, with a red center ; seeds silky. River 

 banks. July, August. Stem 3°-4° high. Leaves 6-12' 

 long. Corolla 6'-8' wide. Column of stamens naked 

 below. 



tt Trees or shrubs ; stip^xles persistent. 



H. Drummondii. Stem and lower surface of the leaves 

 minutely tomentose ; leaves broadly cordate, 2'-2|-' long, 

 and of nearly the same breadth. Floicers red. Column 

 very slender, a little declined; stigmas hairy. Fruit red, 

 subglobose, obtuse ; composed of 5 closely united cari^els, 

 — Drummond. 



24. BYTTNEEIA FAMILY. Order, Byttneriace^. 



Chiefly trees or shruhs, differing from Malvaceae in hav- 

 ing definite stamens^ of which those opposite the petals are 

 usually sterile, 2-celled anthers^ with smooth pollen-grains, 

 send a straight embryo. Ovary 3-5-celled, rarely 1-celled. 



AYENIA, L. 



Involucel none. Calyx 5-parted. Petals on long capil- 

 lary claws, connivent on the stigma. Fertile stamens 5, 

 alternating with 1-2 sterile ones, their filaments united 

 into a pedicellate cup. Style single. Stigma 5 angled. 

 Capstde 5-lobed, 5-celled, loculicidally 5-A'alved, the cells 

 1-seeded. Low, shriLhhy plants, with minute axillary 

 fiowers. Capsule rough. Albumen none. 



A. PUSILLA, L. Stems mostly simple prostrate, downy; 

 leaves (4"-8" long) roundish or oblong, coarsely serrate; 

 peduncles solitary, reflexed in fruit ; capsule depressed, 



