eS EE EES 
CHIAPASIA. 203 
2. Disocactus eichlamii (Weingart) Britton and Rose, Contr. U. S. Nat. Herb. 16: 259. 1913. 
Phyllocactus eichlamii Weingart, Monatsschr. Kakteenk. 21:5. 1911. 
Branching near the base; branches oblong, 2 to 3 dm. long, 3 to 5 cm. broad, cuneate at base, 
obtuse, thickish, strongly crenate; flowers several at the uppermost areoles, slender, 4 cm. long; 
stamens and style exserted; stigma-lobes 5; fruit red, 1 cm. in diameter with white pulp; seeds 
1.5 mm. long. 
Type locality: Guatemala. 
Distribution: Guatemala. 
This plant we know only from the collection of F. Eichlam; living specimens were 
sent to Washington by him which soon afterward flowered, but these have since died. 
Eichlam wrote that the flowers were a brilliant red. The species was named for Federico 
Eichlam, who lived in Guatemala at the time of his death in 1grt. 
Illustration: Contr. U. S. Nat. Herb. 16: pl. 79. 
Figure 205 is from a photograph of the type plant in flower. 
(///) 6, CHIAPASIA gen. nov. 
An epiphytic spineless cactus, the branches flattened, crenate, with slender terete bases, the 
large flowers borne at upper areoles; perianth narrowly campanulate; tube about half as long as 
limb, bearing a few small triangular scales; segments about 8, linear, recurved, spreading; ovary 
ovoid, shorter than tube, also with a few small scales; filaments about 20, not longer than perianth- 
segmients; stigma-lobes few. 
Type species: Epiphyllum nelsoni Britton and Rose. 
A monotypic genus, its name taken from that of the Mexican state in which it grows. 
1. Chiapasia nelsonii Britton and Rose. 
Epiphyllum nelsonit Britton and Rose, Contr. U..S. Nat. Herb. 16: 257. 1913. 
Phyllocactus nelsontt Vaupel, Monatsschr. Kakteenk. 23: 116. 1913. 
Phyllocactus chiapensis J. A. Purpus, Monatsschr. Kakteenk. 28: 118. 1918. 
Fic. 206.—Chiapasia nelsonii. 
nd terete below, flat and thin above, 3 to 4 cm. broad; 
slender a 
Branches 6 to 12 dm. long, m. long; segments about 6 cm. long, narrow, 
margin low, crenate; flowers light rose-red; tube 2 to 3.¢ 
acute. 
Type locality: Near Chicharras, Chl 
Distribution: Known only from Chiapas. 
Chiapas, Mexico, altitude 900 to 1,800 meters. 
