ICONES PLANTARUM, 59 
Puate 1378. 
SCHAFFNERA GRACILIS, Benth. 
GRAMINER, Tribe Zoysinx ? 
chaffnera, gen. nov., Char. gen. Spicule 1-flors, in ter naa 
anlarine 1-3 subsessiles, articulate, rhachilla brevissima ultra 
producta, flore herm aphrodito interdum sterili. Chume i 
een spiculam gequans, oo-nervis, 3—5-aristata, aristis fateralibus basi 
seepi yalino-appendiculatis, superior florens membranacea, f 
hyalina, brevissima 2-loba, arista inter mat fere alin, 2 longiuscula 
breviter plumoso-stigmat osi. Gramen to. nnuum. Pedunculi in 
vaginis foliorum floralium inclusi, inferiores interdum solitarii, 
superiores in vagina 3-00 , fasciculati. 
Ss. eee Benth., single species. 
Has. Mexico; mountains of San Miguelita, in the valley of San 
Luis Potosi, J. a. Schaffner 
Caules dense fasciculati, basi ramosi, ascendentes v. erecti, tenues, 
3-6-pollicares, uti tota planta glabri. Folia inferioraad basin ramorum 
conferta, secus caules plura dissita fere omnia floralia; vagine rigidule. 
striate, 2-4 lin. single; lamine anguste, oe subulate, 5—}-pol- 
excedunt. Gluwme ips vix linea longiores; ariste sepe 3- i 
tenues, rigidule, scabro-denticulate. Caryopsis in speciminibus 
ab ovario aucta. 
The affinities of this plant are still very doubtful. Although the 
—. of the spikelets is technically that of Zoysiew, the inflorescence 
nearer to that of some Andropogonee, and the 3. or 5-awned empty 
panera remind one of Pappophoree.—G. BentHam. 
Fig. 1. Cluster of 3 peduncles, each bearing 2 or 3 spikelets. 2. Peduncle with 
3 spikelets. 3. Peduncle sed 2 Bigg as 4. Single spikelet. 5, Empty glume. 
6. Flowering glume, 7. Ria 8. Ovary and styles. 
