416 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
1. Parthenocissus vitacea (Knerr) Hitchc. Spr. Fl. Manhattan 26. 1894. 
Ampelopsis quinquefolia vitacea Knerr, Bot. Gaz. 18: 71. 1893. 
Psedera vitacea Greene, Leaflets 1: 220. 1906. 
TYPE Locatiry: Not stated. 
Rance: Wyoming and Michigan to Ohio and Arizona. 
New Mexico: Pecos; Sandia Mountains; Magdalena Mountains; Gila Hot Springs; 
Burro Mountains; Guadalupe Canyon; Gray; Organ Mountains; Cedar hill; Raton. 
Canyons, in the Transition Zone. 
3. CISSUS L. 
A succulent vine 1 to 10 meters long, with warty bark and forking tendrils; leaves 
3-foliolate, fleshy, the leaflets 3 to 10 cm. long, coarsely toothed, the terminal one 
sometimes 3-lobed; flowers in trichotomous umbel-like cymes; berries obovoid to 
globose, 10 to 12 mm. long, blackish, on recurved pedicels. 
1. Cissus incisa (Nutt.) Desmoul.; 8. Wats. Bibl. Ind. 173. 1878. 
Vitis incisa Nutt.; Torr. & Gray, Fl. N. Amer. 1: 243. 1840. 
Type Locauity: ‘‘Arkansas.”’ 
Range: Florida to Arkansas, Texas, and southern New Mexico. 
New Mexico: Guadalupe Canyon (Mearns 691). 
Order 33. MALVALES. 
89. MALVACEAE. Mallow Family. 
Annual or perennial herbs (one species suffruticose) with simple, alternate, petiolate, 
variously lobed or dissected leaves, and rather large and conspicuous flowers; plants 
mostly pubescent, frequently with stellate hairs; inflorescence axillary or by reduction 
of the uppermost leaves becoming racemose or paniculate ; calyx of 5 sepals more or 
less united at the base, sometimes subtended by few to several bracts forming an 
involucre; petals 5, more or less united at the base and with the base of the tube of the 
numerous monadelphous stamens; pistil of 5 to many carpels with united styles and 
separate stigmas; fruit a 5 to many-celled capsule of dehiscent or indehiscent, 1 to 
several-seeded carpels. 
KEY TO THE GENERA. 
Fruita loculicidal capsule; stamen column anther-bearing 
for a considerable part of its length. 
Annuals; calyx inflated, conspicuously nerved..... 1. TRIonuM (p. 417). 
Perennials; calyx neither inflated nor conspicuously 
nerved.........2.2.2...0..0 022 e eee eee 2. Hipiscus (p. 417). 
Fruit of several radially disposed carpels, these separating 
at maturity; stamen column anther-bearing mostly 
at the summit. 
Carpels indehiscent; ovules solitary; styles stigmatic 
on the inner side. 
Bractlets wanting; carpels 5 to 9................ 3. SIDALCEA (p. 418). 
Bractlets 1 to 3; carpels more numerous. 
Carpels beaked; bractlets 1 to 3; - flowers 
bright purplish red. ........2....... 4, CALLIRRHOE (p. 418). 
Carpels not beaked; bractlets 3; flowers 
white to rose-colored. ............... 5. MALva (p. 419). 
Carpels dehiscent; ovules 1 to several in each cell; 
stigmas capitate. 
Seeds 2 or more in each carpel. 
Calyx without bracts; seeds several in each 
carpel. 
