FLOWERING PLANTS AND FERNS OF ARIZONA 201 



False-Solomonseal. The commoner form in Arizona is var. 

 ample xic aulis (Nutt.) Wats. {Smilacina amplexicaulis Nutt., Vagnera 

 amplexicaulis Greene), with leaves sessile or subsessile and often 

 slightly clasping. This intergrades with the typical form, in which 

 the leaves are short-petioled, and with var. cylindrata Fernald, a 

 reduced form with a relatively small and narrow panicle. 



2. Smilacina stellata (L.) Desf., Ann. Paris Mus. d'Hist. Nat. 9: 52. 

 1807. 



Convallaria stellata L., Sp. PL 316. 1753. 



Vagnera stellata Morong, Torrey Bot. Club Mem. 5: 1 14. 1894. 



San Francisco Peaks and Bill Williams Mountain (Coconino County), 

 Pinaleno Mountains (Graham County), Chiricahua Mountains 

 (Cochise County), Santa Catalina Mountains (Pima County), 

 7,500 to 9,000 feet, rich woods, May and June. Throughout most of 

 temperate North America; Europe. Starflower. 



19. DISPORUM 



Herbage pubescent or puberulent; flowering stems from rootstocks, 

 leafy, dichotomously branched; leaves broad, sessile or clasping; 

 flowers terminal, solitary or 2 or 3 in an umbellike cluster, nodding, the 

 perianth yellowish white; fruit somewhat lobed, its surface papillate. 



1. Disporum trachycarpum (S. Wats.) Benth. and Hook., Gen. PL 3: 



832. 1883. 



Prosartes trachycarpa S. Wats, in King, Geol. Expl. 40th Par. 

 5: 344. 1871. 



San Francisco Peaks and Bill Williams Mountain (Coconino County), 

 White Mountains (Apache County), Huachuca Mountains (Cochise 

 County), Santa Catalina Mountains (Pima County), 7,500 to 8,000 

 feet, in rich woods, May. Manitoba and British Columbia to New 

 Mexico and Arizona. 



The Arizona specimens are mostly referable to var. subglabrum 

 Kelso, the type of which was collected near Flagstaff (MacDougal 64). 



20. STREPTOPUS. Twistedstalk 



Herbage glabrous ; flowering stems from rootstocks, leafy, branched; 

 leaves broad, cordate-clasping; flowers lateral, extra-axillary, solitary 

 or in pairs, nodding, the perianth greenish white; fruit entire, smooth. 



1. Streptopus amplexifolius (L.) DC. and Lam., Fl. Franc. 3: 174. 



1805. 



Uvularia ample xifolia L., Sp. PL 304. 1753. 



Baldv Peak, White Mountains, Apache County {Goodding 625, 

 Peebles and Smith 12510), 10,000 to 11,000 feet, springy places in 

 forests, July and August. Greenland to Alaska, south to North 

 Carolina, New Mexico, Arizona, and California. 



Represented in Arizona by var. americanus Roem. et Schult. 



18. AMARYLLIDACEAE. Amaryllis family 



Plants herbaceous or somewhat woody under ground; flowering 

 stems from bulbs or rootstocks, scapose; flowers perfect, regular or 



