MALVACEAE. 



237 



1. Pavonia spinifex (L.) Cav. Pavo- 

 NIA. (Fig. 262.) A branching shrub, 2°-9° 

 tall, hirsute and strigillose. Leaves ovate or 

 oblong-ovate, 2'-4' long, acute or somewhat 

 acuminate, doubly crenate-dentate, truncate 

 or subcordate at the base; the petioles 

 densely pubescent; peduncles axillary, much 

 longer than the petioles; bractlets of the 

 involucel 5, linear to lanceolate, acute, nearly 

 5" long; calyx about as long as the bract- 

 lets, its lobes lanceolate to ovate-lanceolate ; 

 petals yellow, V long, cuneate; carpels 2V'- 

 3" high, with 1 medial and 2 lateral re- 

 trorsely barbed awns. [Hibiscus spinifex 

 L.] 



Collected by Lefroy in Southampton 

 Parish, prior to 1879 ; his specimen is pre- 

 served in the herbarium of the Royal Gardens 

 at Kew. Reade records that it grew near the 

 lighthouse. Introduced. Native of Florida 

 and tropical America. Not found in Bermuda 

 by recent collectors. 



7. KOSTELETZKYA Presl. 

 Perennial, scabrous or pubescent herbs 

 or shrubs, with hastate or angular leaves, 



and showy, axillary or paniculate flowers. Bractlets several, linear. Calyx 

 5-toothed or 5-cleft. Stamen-column anther-bearing below for nearly its entire 

 length. Ovary 5-celled, the cavities 1-ovuled; style-branches of the same num- 

 ber, stigmatic at the capitate summits. Capsule depressed, 5-angled. Seeds 



reniform, ascending. [Named in 

 honor of V. F. Kosteletzky. a bot- 

 anist of Bohemia.] About 8 spe- 

 cies, natives of warm and tem- 

 perate America. Type species: 

 KosteletzTcya liastata Presl. 



1. Kosteletzkya virginica 

 (L.) A. Gray. Virginia Koste- 

 letzkya. (Fig. 263.) Erect, 2°- 

 4" high, somewhat stellate-pubes- 

 cent and scabrous. Leaves ovate, 

 or hastate, truncate or cordate at 

 the base, 2'-4r long, unequally 

 dentate and often 3-lobed bolow, 

 acute; flowers pink, lV-2r broad, 

 in loose terminal leafy panicles; 

 bractlets 8 or 9, linear, shorter 

 than the lanceolate acute calyx-seg 

 ments; carpels 5, hisjiid-pubescent. 

 [Tlibiscus virginicHS L. ; Althaea 

 officinalis of Reade, of H. B. 

 Small and of Jones.] 



Pembroke, Devonshire and War- 

 wick marshes. Native. Southeastern 

 United States. Flowers in late sum- 

 mer and autumn. 



