MALVACE^. 47 



H — I — •- Involucel none. Flowers dioecious. 

 Nap^a. (Plate 119.) Dioecious. Calyx 5-toothcd. Stamens 15-20 

 in a single series. 



# * Stamineal column double, the outer pentadelphous. 

 SiDALCEA. (Plate 120.) Involucel none. Carpels 5 -9. 



Subtribe 11. Side^. — Stigmas terminal, capitate. Carpels uniovulate. 



* Ovule peritropous-ascending. Radicle inferior. 

 Malvastrum. (Plates 121, 122.) Involucel often inconspicuous and 



caducous or wanting. 

 * * Ovule resupinate-pendulous. Radicle superior. Involucel none. 

 SiDA. (Plate 123.) Carpels 5-1.5, erect, partly included in the calyx, 



indehiscent or 2-cleft at the apex, at length separating from the 



axis. 

 Anoda. (Plate 124.) Carpels numerous, united in a depressed stellari- 



form pod, the dissepiments obliterated before dehiscence. 

 Lawrencia, Hook. South Australia. 

 Cristaria, Cav. Peru and Chili. 

 Gaya, Kunth. Tropical America. 



Bastardia, Kunth. (Bastardia § 1. Abutiloides, Endl.) Tropical America. 

 Subtribe III. Abutile^. — Stigmas capitate. Carpels 2-9-ovulate. 

 * Involucel none. 

 Abutilon. (Plates 125, 126.) Carpels 3-9-ovulate, not bilocellate, 



somewhat 2-valved, scarcely separating from the axis. 

 Wissadula, Medik. Tropical America and Asia. 

 * * Involucel usually present, 

 Meliphlea, Zuccarini. Mexico. 

 Sph^ralcea. (Plate 127.) Carpels 2- 3-ovulate, not bilocellate, tardily 



separating from each other and from the axis. 

 MoDioLA. (Plate 128.) Carpels 2-ovulate, separable ; the cells divided 



by a transverse partition. 



Tribe III. URENE^. — Carpels or cells of the ovary half as many 

 as the stigmas (viz. 5, the stigmas 10), uniovulate. Radicle inferior. 

 # Fruit 5-coccous ; the carpels opposite the petals. 

 -I— Flowers in an involucratc capitulum. 

 Malachra. (Plate 129.) Proper involucel none. Involucre 3- several- 

 leaved. 



■*- -f- Flowers not capitate. 

 Urena, Li7in. (Cocci glochidate.) Tropical, chiefly of the Old World. 

 Pavonia. (Plate 130.) Involucel 5- 15-leaved. Cocci naked, or some- 

 times 3-awned. 



* * Fruit baccate ; the cells opposite the sepals. 

 Malvaviscus. (Plate 131.) Petals convolute-connivent. Column exserted. 



