1897 } UNDESCRIBED PLANTS FROM CENTRAL AMERICA 7 
Alchemilla ocreata Donnell Smith.— Palmaris, caulibus decum- 
bentibus ramosis flavo-sericeis. Folia ocreis amplexicaulia arcte 
imbricata, laciniis 6-8 lanceolatis vaginam superantibus. Flores 
terminales pluri-glomerati diandri octogyni. 
Cespitous, branching from the base upwards. Segments of leaves 2 I. 
long, concealing the sheaths, margins revolute. Calyx campanulate, 1 ¥ 1. 
high, dentate nearly to the middle; teeth 8-10, subequal, acute, the exterior 
lanceolate, the interior ovate. Stamens opposite, occasionally 3. Carpels 
Stipitate, style basilar. Achenia pale, cotyledons orbicular.— A. nivalis H. 
B. et K. (no. 4205 Triana!), the only related species, differs by habit, grayish 
indument, numerous and narrow leaf-segments, 4-carpellate ovary. 
Thickets at General, Comarca de Punta Arenas, Costa Rica, alt. 1800 ft., 
Jan. 1891, Pittier, no. 3431 herb. nat. C. R 
COMBRETUM FARINOSUM H. B. et K., var. phaenopetala Donnell 
Smith.— Folia subtus lepidibus rubro-punctata. Spicae pubentes 
cum calycibus et samaris rufo-lepidotae. Petala rotundo-ovalia 
lobis calycis turbinato-campanulati non satis breviora, disci mar- 
gine tantum ciliato, antheris minimis. 
Near Neuton, Depart. Huehuetenango, Guat., alt. 3000-4000 ft., Dec. 
1895, E. W. Nelson, no. 3534. 
Loasa bipinnata Donnell Smith.— Tota urenti-setosa et scab- 
rida. Folia triangularia pinnata superne pinnatifida, foliolis 
utrinque 2-3 petiolulatis oblongo-ellipticis pinnatim lobatis inci-_ 
sis, segmentis infimis sejunctis. Petalaad apicem bifida calycis 
lobis ovatis bis longiora. Squamae lobulis duobus appositis 
: ee. Staminodia lineari-oblonga aristulata. 
Leaves alternate, paler and more sparsely setose beneath, 4—6 in. nee 
leaflets chiefly opposite, 3-4 X 1-14 in., those of lower leaves JEN, ane : 
at base pinnate. Petioles 1 {-2 in. long. Peduncles” extra-axillary, short, ae 
_1-flowered, in fruit 3-1 in. long. Calyx. -lobes- beast cutee Petals a 
paar with two slender teeth. _Nectariferous des sth die 2 1 ‘long. ee 
Anthers s didymous. Staminodes 2 L. the a awn M 1 ig naps obconic, — 
